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authorLinus Torvalds <torvalds@linux-foundation.org>2020-12-20 10:12:06 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2020-12-20 10:12:06 -0800
commitf4a2f7866faaf89ea1595b136e01fcb336b46aab (patch)
tree9215bb0d94c16afd9f4949c356d7e12b7ac03bbd
parent7703f46f2cafa57b9e5e8f4d6ff3dd8dcf0c1656 (diff)
parent71ac13457d9d1007effde65b54818106b2c2b525 (diff)
Merge tag 'rtc-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Pull RTC updates from Alexandre Belloni: "Subsystem: - Remove nvram ABI. There was no complaints about the deprecation for the last 3 years. - Improve RTC device allocation and registration - Now available for ARCH=um Drivers: - at91rm9200: correction and sam9x60 support - ds1307: improve ACPI support - mxc: now DT only - pcf2127: watchdog support now needs the reset-source property - pcf8523: set range - rx6110: i2c support" * tag 'rtc-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux: (43 commits) rtc: pcf2127: only use watchdog when explicitly available dt-bindings: rtc: add reset-source property rtc: fix RTC removal rtc: s3c: Remove dead code related to periodic tick handling rtc: s3c: Disable all enable (RTC, tick) bits in the probe rtc: ep93xx: Fix NULL pointer dereference in ep93xx_rtc_read_time rtc: test: remove debug message rtc: mxc{,_v2}: enable COMPILE_TEST rtc: enable RTC framework on ARCH=um rtc: pcf8523: use BIT rtc: pcf8523: set range rtc: pcf8523: switch to devm_rtc_allocate_device rtc: destroy mutex when releasing the device rtc: shrink devm_rtc_allocate_device() rtc: rework rtc_register_device() resource management rtc: nvmem: emit an error message when nvmem registration fails rtc: add devm_ prefix to rtc_nvmem_register() rtc: nvmem: remove nvram ABI Documentation: list RTC devres helpers in devres.rst rtc: omap: use devm_pinctrl_register() ...
-rw-r--r--Documentation/devicetree/bindings/rtc/rtc.yaml5
-rw-r--r--Documentation/driver-api/driver-model/devres.rst6
-rw-r--r--MAINTAINERS2
-rw-r--r--arch/alpha/kernel/rtc.c2
-rw-r--r--drivers/mfd/menelaus.c2
-rw-r--r--drivers/rtc/Kconfig33
-rw-r--r--drivers/rtc/class.c52
-rw-r--r--drivers/rtc/nvmem.c91
-rw-r--r--drivers/rtc/rtc-88pm80x.c2
-rw-r--r--drivers/rtc/rtc-88pm860x.c2
-rw-r--r--drivers/rtc/rtc-ab-b5ze-s3.c2
-rw-r--r--drivers/rtc/rtc-ab-eoz9.c2
-rw-r--r--drivers/rtc/rtc-ab3100.c2
-rw-r--r--drivers/rtc/rtc-ab8500.c2
-rw-r--r--drivers/rtc/rtc-abx80x.c2
-rw-r--r--drivers/rtc/rtc-ac100.c2
-rw-r--r--drivers/rtc/rtc-armada38x.c2
-rw-r--r--drivers/rtc/rtc-aspeed.c2
-rw-r--r--drivers/rtc/rtc-at91rm9200.c108
-rw-r--r--drivers/rtc/rtc-at91sam9.c2
-rw-r--r--drivers/rtc/rtc-au1xxx.c2
-rw-r--r--drivers/rtc/rtc-bd70528.c2
-rw-r--r--drivers/rtc/rtc-brcmstb-waketimer.c5
-rw-r--r--drivers/rtc/rtc-cadence.c2
-rw-r--r--drivers/rtc/rtc-cmos.c6
-rw-r--r--drivers/rtc/rtc-coh901331.c2
-rw-r--r--drivers/rtc/rtc-cpcap.c8
-rw-r--r--drivers/rtc/rtc-cros-ec.c2
-rw-r--r--drivers/rtc/rtc-da9052.c2
-rw-r--r--drivers/rtc/rtc-da9063.c4
-rw-r--r--drivers/rtc/rtc-davinci.c2
-rw-r--r--drivers/rtc/rtc-digicolor.c2
-rw-r--r--drivers/rtc/rtc-dm355evm.c2
-rw-r--r--drivers/rtc/rtc-ds1305.c5
-rw-r--r--drivers/rtc/rtc-ds1307.c83
-rw-r--r--drivers/rtc/rtc-ds1343.c5
-rw-r--r--drivers/rtc/rtc-ds1347.c2
-rw-r--r--drivers/rtc/rtc-ds1374.c2
-rw-r--r--drivers/rtc/rtc-ds1511.c6
-rw-r--r--drivers/rtc/rtc-ds1553.c6
-rw-r--r--drivers/rtc/rtc-ds1672.c2
-rw-r--r--drivers/rtc/rtc-ds1685.c5
-rw-r--r--drivers/rtc/rtc-ds1742.c6
-rw-r--r--drivers/rtc/rtc-ds2404.c2
-rw-r--r--drivers/rtc/rtc-ds3232.c2
-rw-r--r--drivers/rtc/rtc-ep93xx.c8
-rw-r--r--drivers/rtc/rtc-fsl-ftm-alarm.c2
-rw-r--r--drivers/rtc/rtc-ftrtc010.c2
-rw-r--r--drivers/rtc/rtc-goldfish.c2
-rw-r--r--drivers/rtc/rtc-hym8563.c7
-rw-r--r--drivers/rtc/rtc-imx-sc.c2
-rw-r--r--drivers/rtc/rtc-imxdi.c2
-rw-r--r--drivers/rtc/rtc-isl12026.c4
-rw-r--r--drivers/rtc/rtc-isl1208.c4
-rw-r--r--drivers/rtc/rtc-jz4740.c2
-rw-r--r--drivers/rtc/rtc-lpc32xx.c2
-rw-r--r--drivers/rtc/rtc-ls1x.c2
-rw-r--r--drivers/rtc/rtc-m41t80.c2
-rw-r--r--drivers/rtc/rtc-m48t59.c5
-rw-r--r--drivers/rtc/rtc-m48t86.c5
-rw-r--r--drivers/rtc/rtc-mc13xxx.c2
-rw-r--r--drivers/rtc/rtc-meson-vrtc.c2
-rw-r--r--drivers/rtc/rtc-meson.c4
-rw-r--r--drivers/rtc/rtc-mpc5121.c2
-rw-r--r--drivers/rtc/rtc-mrst.c2
-rw-r--r--drivers/rtc/rtc-mt2712.c2
-rw-r--r--drivers/rtc/rtc-mt6397.c2
-rw-r--r--drivers/rtc/rtc-mv.c2
-rw-r--r--drivers/rtc/rtc-mxc.c25
-rw-r--r--drivers/rtc/rtc-mxc_v2.c2
-rw-r--r--drivers/rtc/rtc-omap.c13
-rw-r--r--drivers/rtc/rtc-pcap.c2
-rw-r--r--drivers/rtc/rtc-pcf2123.c2
-rw-r--r--drivers/rtc/rtc-pcf2127.c73
-rw-r--r--drivers/rtc/rtc-pcf85063.c4
-rw-r--r--drivers/rtc/rtc-pcf8523.c34
-rw-r--r--drivers/rtc/rtc-pcf85363.c4
-rw-r--r--drivers/rtc/rtc-pcf8563.c2
-rw-r--r--drivers/rtc/rtc-pic32.c2
-rw-r--r--drivers/rtc/rtc-pl030.c2
-rw-r--r--drivers/rtc/rtc-pl031.c8
-rw-r--r--drivers/rtc/rtc-pm8xxx.c2
-rw-r--r--drivers/rtc/rtc-ps3.c2
-rw-r--r--drivers/rtc/rtc-r9701.c2
-rw-r--r--drivers/rtc/rtc-rc5t619.c2
-rw-r--r--drivers/rtc/rtc-rk808.c2
-rw-r--r--drivers/rtc/rtc-rp5c01.c5
-rw-r--r--drivers/rtc/rtc-rs5c348.c2
-rw-r--r--drivers/rtc/rtc-rv3028.c6
-rw-r--r--drivers/rtc/rtc-rv3029c2.c4
-rw-r--r--drivers/rtc/rtc-rv3032.c8
-rw-r--r--drivers/rtc/rtc-rv8803.c5
-rw-r--r--drivers/rtc/rtc-rx6110.c165
-rw-r--r--drivers/rtc/rtc-rx8010.c2
-rw-r--r--drivers/rtc/rtc-rx8581.c4
-rw-r--r--drivers/rtc/rtc-s35390a.c2
-rw-r--r--drivers/rtc/rtc-s3c.c230
-rw-r--r--drivers/rtc/rtc-sa1100.c2
-rw-r--r--drivers/rtc/rtc-sc27xx.c42
-rw-r--r--drivers/rtc/rtc-sd3078.c2
-rw-r--r--drivers/rtc/rtc-sh.c2
-rw-r--r--drivers/rtc/rtc-sirfsoc.c2
-rw-r--r--drivers/rtc/rtc-snvs.c69
-rw-r--r--drivers/rtc/rtc-st-lpc.c2
-rw-r--r--drivers/rtc/rtc-starfire.c2
-rw-r--r--drivers/rtc/rtc-stk17ta8.c5
-rw-r--r--drivers/rtc/rtc-stmp3xxx.c2
-rw-r--r--drivers/rtc/rtc-sun4v.c2
-rw-r--r--drivers/rtc/rtc-sun6i.c10
-rw-r--r--drivers/rtc/rtc-sunxi.c2
-rw-r--r--drivers/rtc/rtc-tegra.c2
-rw-r--r--drivers/rtc/rtc-test.c3
-rw-r--r--drivers/rtc/rtc-tps6586x.c2
-rw-r--r--drivers/rtc/rtc-tps65910.c2
-rw-r--r--drivers/rtc/rtc-tx4939.c5
-rw-r--r--drivers/rtc/rtc-vr41xx.c2
-rw-r--r--drivers/rtc/rtc-vt8500.c2
-rw-r--r--drivers/rtc/rtc-wilco-ec.c2
-rw-r--r--drivers/rtc/rtc-wm831x.c2
-rw-r--r--drivers/rtc/rtc-xgene.c2
-rw-r--r--drivers/rtc/rtc-zynqmp.c2
-rw-r--r--drivers/rtc/sysfs.c2
-rw-r--r--include/linux/rtc.h22
123 files changed, 579 insertions, 790 deletions
diff --git a/Documentation/devicetree/bindings/rtc/rtc.yaml b/Documentation/devicetree/bindings/rtc/rtc.yaml
index 8acd2de3de3a..d30dc045aac6 100644
--- a/Documentation/devicetree/bindings/rtc/rtc.yaml
+++ b/Documentation/devicetree/bindings/rtc/rtc.yaml
@@ -63,6 +63,11 @@ properties:
description:
Enables wake up of host system on alarm.
+ reset-source:
+ $ref: /schemas/types.yaml#/definitions/flag
+ description:
+ The RTC is able to reset the machine.
+
additionalProperties: true
...
diff --git a/Documentation/driver-api/driver-model/devres.rst b/Documentation/driver-api/driver-model/devres.rst
index bb676570acc3..cd8b6e657b94 100644
--- a/Documentation/driver-api/driver-model/devres.rst
+++ b/Documentation/driver-api/driver-model/devres.rst
@@ -411,6 +411,12 @@ RESET
devm_reset_control_get()
devm_reset_controller_register()
+RTC
+ devm_rtc_device_register()
+ devm_rtc_allocate_device()
+ devm_rtc_register_device()
+ devm_rtc_nvmem_register()
+
SERDEV
devm_serdev_device_open()
diff --git a/MAINTAINERS b/MAINTAINERS
index 8798a6497678..dbc0ba7cf382 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1183,7 +1183,7 @@ F: Documentation/devicetree/bindings/interrupt-controller/google,goldfish-pic.tx
F: drivers/irqchip/irq-goldfish-pic.c
ANDROID GOLDFISH RTC DRIVER
-M: Miodrag Dinic <miodrag.dinic@mips.com>
+M: Jiaxun Yang <jiaxun.yang@flygoat.com>
S: Supported
F: Documentation/devicetree/bindings/rtc/google,goldfish-rtc.txt
F: drivers/rtc/rtc-goldfish.c
diff --git a/arch/alpha/kernel/rtc.c b/arch/alpha/kernel/rtc.c
index 1b1d5963ac55..ce3077946e1d 100644
--- a/arch/alpha/kernel/rtc.c
+++ b/arch/alpha/kernel/rtc.c
@@ -216,6 +216,6 @@ alpha_rtc_init(void)
rtc->ops = &remote_rtc_ops;
#endif
- return rtc_register_device(rtc);
+ return devm_rtc_register_device(rtc);
}
device_initcall(alpha_rtc_init);
diff --git a/drivers/mfd/menelaus.c b/drivers/mfd/menelaus.c
index b64d3315a5e1..07e0ca2e467c 100644
--- a/drivers/mfd/menelaus.c
+++ b/drivers/mfd/menelaus.c
@@ -1119,7 +1119,7 @@ static inline void menelaus_rtc_init(struct menelaus_chip *m)
menelaus_write_reg(MENELAUS_RTC_CTRL, m->rtc_control);
}
- err = rtc_register_device(m->rtc);
+ err = devm_rtc_register_device(m->rtc);
if (err) {
if (alarm) {
menelaus_remove_irq_work(MENELAUS_RTCALM_IRQ);
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 65ad9d0b47ab..6123f9f4fbc9 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -13,7 +13,7 @@ config RTC_MC146818_LIB
menuconfig RTC_CLASS
bool "Real Time Clock"
default n
- depends on !S390 && !UML
+ depends on !S390
select RTC_LIB
help
Generic RTC class support. If you say yes here, you will
@@ -817,15 +817,6 @@ config RTC_DRV_RX4581
This driver can also be built as a module. If so the module
will be called rtc-rx4581.
-config RTC_DRV_RX6110
- tristate "Epson RX-6110"
- select REGMAP_SPI
- help
- If you say yes here you will get support for the Epson RX-6610.
-
- This driver can also be built as a module. If so the module
- will be called rtc-rx6110.
-
config RTC_DRV_RS5C348
tristate "Ricoh RS5C348A/B"
help
@@ -936,6 +927,17 @@ config RTC_DRV_RV3029_HWMON
Say Y here if you want to expose temperature sensor data on
rtc-rv3029.
+config RTC_DRV_RX6110
+ tristate "Epson RX-6110"
+ depends on RTC_I2C_AND_SPI
+ select REGMAP_SPI if SPI_MASTER
+ select REGMAP_I2C if I2C
+ help
+ If you say yes here you will get support for the Epson RX-6110.
+
+ This driver can also be built as a module. If so the module
+ will be called rtc-rx6110.
+
comment "Platform RTC drivers"
# this 'CMOS' RTC driver is arch dependent because it requires
@@ -1017,6 +1019,7 @@ config RTC_DRV_DS1553
config RTC_DRV_DS1685_FAMILY
tristate "Dallas/Maxim DS1685 Family"
+ depends on HAS_IOMEM
help
If you say yes here you get support for the Dallas/Maxim DS1685
family of real time chips. This family includes the DS1685/DS1687,
@@ -1150,6 +1153,7 @@ config RTC_DRV_STK17TA8
config RTC_DRV_M48T86
tristate "ST M48T86/Dallas DS12887"
+ depends on HAS_IOMEM
help
If you say Y here you will get support for the
ST M48T86 and Dallas DS12887 RTC chips.
@@ -1752,7 +1756,9 @@ config RTC_DRV_LOONGSON1
config RTC_DRV_MXC
tristate "Freescale MXC Real Time Clock"
- depends on ARCH_MXC
+ depends on ARCH_MXC || COMPILE_TEST
+ depends on HAS_IOMEM
+ depends on OF
help
If you say yes here you get support for the Freescale MXC
RTC module.
@@ -1762,7 +1768,9 @@ config RTC_DRV_MXC
config RTC_DRV_MXC_V2
tristate "Freescale MXC Real Time Clock for i.MX53"
- depends on ARCH_MXC
+ depends on ARCH_MXC || COMPILE_TEST
+ depends on HAS_IOMEM
+ depends on OF
help
If you say yes here you get support for the Freescale MXC
SRTC module in i.MX53 processor.
@@ -1935,7 +1943,6 @@ config RTC_DRV_HID_SENSOR_TIME
config RTC_DRV_GOLDFISH
tristate "Goldfish Real Time Clock"
depends on OF && HAS_IOMEM
- depends on GOLDFISH || COMPILE_TEST
help
Say yes to enable RTC driver for the Goldfish based virtual platform.
diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index 5855aa2eef62..7e470fbd5e4d 100644
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -28,6 +28,7 @@ static void rtc_device_release(struct device *dev)
struct rtc_device *rtc = to_rtc_device(dev);
ida_simple_remove(&rtc_ida, rtc->id);
+ mutex_destroy(&rtc->ops_lock);
kfree(rtc);
}
@@ -326,8 +327,10 @@ static void rtc_device_get_offset(struct rtc_device *rtc)
*
* @rtc: the RTC class device to destroy
*/
-static void rtc_device_unregister(struct rtc_device *rtc)
+static void devm_rtc_unregister_device(void *data)
{
+ struct rtc_device *rtc = data;
+
mutex_lock(&rtc->ops_lock);
/*
* Remove innards of this RTC, then disable it, before
@@ -337,60 +340,43 @@ static void rtc_device_unregister(struct rtc_device *rtc)
cdev_device_del(&rtc->char_dev, &rtc->dev);
rtc->ops = NULL;
mutex_unlock(&rtc->ops_lock);
- put_device(&rtc->dev);
}
-static void devm_rtc_release_device(struct device *dev, void *res)
+static void devm_rtc_release_device(void *res)
{
- struct rtc_device *rtc = *(struct rtc_device **)res;
+ struct rtc_device *rtc = res;
- rtc_nvmem_unregister(rtc);
-
- if (rtc->registered)
- rtc_device_unregister(rtc);
- else
- put_device(&rtc->dev);
+ put_device(&rtc->dev);
}
struct rtc_device *devm_rtc_allocate_device(struct device *dev)
{
- struct rtc_device **ptr, *rtc;
+ struct rtc_device *rtc;
int id, err;
id = rtc_device_get_id(dev);
if (id < 0)
return ERR_PTR(id);
- ptr = devres_alloc(devm_rtc_release_device, sizeof(*ptr), GFP_KERNEL);
- if (!ptr) {
- err = -ENOMEM;
- goto exit_ida;
- }
-
rtc = rtc_allocate_device();
if (!rtc) {
- err = -ENOMEM;
- goto exit_devres;
+ ida_simple_remove(&rtc_ida, id);
+ return ERR_PTR(-ENOMEM);
}
- *ptr = rtc;
- devres_add(dev, ptr);
-
rtc->id = id;
rtc->dev.parent = dev;
dev_set_name(&rtc->dev, "rtc%d", id);
- return rtc;
+ err = devm_add_action_or_reset(dev, devm_rtc_release_device, rtc);
+ if (err)
+ return ERR_PTR(err);
-exit_devres:
- devres_free(ptr);
-exit_ida:
- ida_simple_remove(&rtc_ida, id);
- return ERR_PTR(err);
+ return rtc;
}
EXPORT_SYMBOL_GPL(devm_rtc_allocate_device);
-int __rtc_register_device(struct module *owner, struct rtc_device *rtc)
+int __devm_rtc_register_device(struct module *owner, struct rtc_device *rtc)
{
struct rtc_wkalrm alrm;
int err;
@@ -420,7 +406,6 @@ int __rtc_register_device(struct module *owner, struct rtc_device *rtc)
rtc_proc_add_device(rtc);
- rtc->registered = true;
dev_info(rtc->dev.parent, "registered as %s\n",
dev_name(&rtc->dev));
@@ -429,9 +414,10 @@ int __rtc_register_device(struct module *owner, struct rtc_device *rtc)
rtc_hctosys(rtc);
#endif
- return 0;
+ return devm_add_action_or_reset(rtc->dev.parent,
+ devm_rtc_unregister_device, rtc);
}
-EXPORT_SYMBOL_GPL(__rtc_register_device);
+EXPORT_SYMBOL_GPL(__devm_rtc_register_device);
/**
* devm_rtc_device_register - resource managed rtc_device_register()
@@ -461,7 +447,7 @@ struct rtc_device *devm_rtc_device_register(struct device *dev,
rtc->ops = ops;
- err = __rtc_register_device(owner, rtc);
+ err = __devm_rtc_register_device(owner, rtc);
if (err)
return ERR_PTR(err);
diff --git a/drivers/rtc/nvmem.c b/drivers/rtc/nvmem.c
index 4312096c7738..07ede21cee34 100644
--- a/drivers/rtc/nvmem.c
+++ b/drivers/rtc/nvmem.c
@@ -9,99 +9,22 @@
#include <linux/types.h>
#include <linux/nvmem-consumer.h>
#include <linux/rtc.h>
-#include <linux/slab.h>
-#include <linux/sysfs.h>
-/*
- * Deprecated ABI compatibility, this should be removed at some point
- */
-
-static const char nvram_warning[] = "Deprecated ABI, please use nvmem";
-
-static ssize_t
-rtc_nvram_read(struct file *filp, struct kobject *kobj,
- struct bin_attribute *attr,
- char *buf, loff_t off, size_t count)
-{
- dev_warn_once(kobj_to_dev(kobj), nvram_warning);
-
- return nvmem_device_read(attr->private, off, count, buf);
-}
-
-static ssize_t
-rtc_nvram_write(struct file *filp, struct kobject *kobj,
- struct bin_attribute *attr,
- char *buf, loff_t off, size_t count)
-{
- dev_warn_once(kobj_to_dev(kobj), nvram_warning);
-
- return nvmem_device_write(attr->private, off, count, buf);
-}
-
-static int rtc_nvram_register(struct rtc_device *rtc,
- struct nvmem_device *nvmem, size_t size)
-{
- int err;
-
- rtc->nvram = kzalloc(sizeof(*rtc->nvram), GFP_KERNEL);
- if (!rtc->nvram)
- return -ENOMEM;
-
- rtc->nvram->attr.name = "nvram";
- rtc->nvram->attr.mode = 0644;
- rtc->nvram->private = nvmem;
-
- sysfs_bin_attr_init(rtc->nvram);
-
- rtc->nvram->read = rtc_nvram_read;
- rtc->nvram->write = rtc_nvram_write;
- rtc->nvram->size = size;
-
- err = sysfs_create_bin_file(&rtc->dev.parent->kobj,
- rtc->nvram);
- if (err) {
- kfree(rtc->nvram);
- rtc->nvram = NULL;
- }
-
- return err;
-}
-
-static void rtc_nvram_unregister(struct rtc_device *rtc)
-{
- sysfs_remove_bin_file(&rtc->dev.parent->kobj, rtc->nvram);
- kfree(rtc->nvram);
- rtc->nvram = NULL;
-}
-
-/*
- * New ABI, uses nvmem
- */
-int rtc_nvmem_register(struct rtc_device *rtc,
+int devm_rtc_nvmem_register(struct rtc_device *rtc,
struct nvmem_config *nvmem_config)
{
+ struct device *dev = rtc->dev.parent;
struct nvmem_device *nvmem;
if (!nvmem_config)
return -ENODEV;
- nvmem_config->dev = rtc->dev.parent;
+ nvmem_config->dev = dev;
nvmem_config->owner = rtc->owner;
- nvmem = devm_nvmem_register(rtc->dev.parent, nvmem_config);
+ nvmem = devm_nvmem_register(dev, nvmem_config);
if (IS_ERR(nvmem))
- return PTR_ERR(nvmem);
-
- /* Register the old ABI */
- if (rtc->nvram_old_abi)
- rtc_nvram_register(rtc, nvmem, nvmem_config->size);
+ dev_err(dev, "failed to register nvmem device for RTC\n");
- return 0;
-}
-EXPORT_SYMBOL_GPL(rtc_nvmem_register);
-
-void rtc_nvmem_unregister(struct rtc_device *rtc)
-{
- /* unregister the old ABI */
- if (rtc->nvram)
- rtc_nvram_unregister(rtc);
+ return PTR_ERR_OR_ZERO(nvmem);
}
+EXPORT_SYMBOL_GPL(devm_rtc_nvmem_register);
diff --git a/drivers/rtc/rtc-88pm80x.c b/drivers/rtc/rtc-88pm80x.c
index 75779e8501a3..6a3f44cf6ebe 100644
--- a/drivers/rtc/rtc-88pm80x.c
+++ b/drivers/rtc/rtc-88pm80x.c
@@ -294,7 +294,7 @@ static int pm80x_rtc_probe(struct platform_device *pdev)
info->rtc_dev->ops = &pm80x_rtc_ops;
info->rtc_dev->range_max = U32_MAX;
- ret = rtc_register_device(info->rtc_dev);
+ ret = devm_rtc_register_device(info->rtc_dev);
if (ret)
goto out_rtc;
diff --git a/drivers/rtc/rtc-88pm860x.c b/drivers/rtc/rtc-88pm860x.c
index c90457d001e9..2c809a1a445e 100644
--- a/drivers/rtc/rtc-88pm860x.c
+++ b/drivers/rtc/rtc-88pm860x.c
@@ -307,7 +307,7 @@ static int pm860x_rtc_probe(struct platform_device *pdev)
info->rtc_dev->ops = &pm860x_rtc_ops;
info->rtc_dev->range_max = U32_MAX;
- ret = rtc_register_device(info->rtc_dev);
+ ret = devm_rtc_register_device(info->rtc_dev);
if (ret)
return ret;
diff --git a/drivers/rtc/rtc-ab-b5ze-s3.c b/drivers/rtc/rtc-ab-b5ze-s3.c
index 2370ac0cdb5f..6e3e320dc727 100644
--- a/drivers/rtc/rtc-ab-b5ze-s3.c
+++ b/drivers/rtc/rtc-ab-b5ze-s3.c
@@ -892,7 +892,7 @@ static int abb5zes3_probe(struct i2c_client *client,
}
}
- ret = rtc_register_device(data->rtc);
+ ret = devm_rtc_register_device(data->rtc);
err:
if (ret && data->irq)
diff --git a/drivers/rtc/rtc-ab-eoz9.c b/drivers/rtc/rtc-ab-eoz9.c
index d690985caa4c..b20d8f26dcdb 100644
--- a/drivers/rtc/rtc-ab-eoz9.c
+++ b/drivers/rtc/rtc-ab-eoz9.c
@@ -420,7 +420,7 @@ static int abeoz9_probe(struct i2c_client *client,
data->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
data->rtc->range_max = RTC_TIMESTAMP_END_2099;
- ret = rtc_register_device(data->rtc);
+ ret = devm_rtc_register_device(data->rtc);
if (ret)
return ret;
diff --git a/drivers/rtc/rtc-ab3100.c b/drivers/rtc/rtc-ab3100.c
index 2ed6def90975..e4fd961e8bf6 100644
--- a/drivers/rtc/rtc-ab3100.c
+++ b/drivers/rtc/rtc-ab3100.c
@@ -238,7 +238,7 @@ static int __init ab3100_rtc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, rtc);
- return rtc_register_device(rtc);
+ return devm_rtc_register_device(rtc);
}
static struct platform_driver ab3100_rtc_driver = {
diff --git a/drivers/rtc/rtc-ab8500.c b/drivers/rtc/rtc-ab8500.c
index 3d60f3283f11..b40048871295 100644
--- a/drivers/rtc/rtc-ab8500.c
+++ b/drivers/rtc/rtc-ab8500.c
@@ -404,7 +404,7 @@ static int ab8500_rtc_probe(struct platform_device *pdev)
if (err)
return err;
- return rtc_register_device(rtc);
+ return devm_rtc_register_device(rtc);
}
static int ab8500_rtc_remove(struct platform_device *pdev)
diff --git a/drivers/rtc/rtc-abx80x.c b/drivers/rtc/rtc-abx80x.c
index 803725b3a02c..6733bb0df674 100644
--- a/drivers/rtc/rtc-abx80x.c
+++ b/drivers/rtc/rtc-abx80x.c
@@ -851,7 +851,7 @@ static int abx80x_probe(struct i2c_client *client,
return err;
}
- return rtc_register_device(priv->rtc);
+ return devm_rtc_register_device(priv->rtc);
}
static const struct i2c_device_id abx80x_id[] = {
diff --git a/drivers/rtc/rtc-ac100.c b/drivers/rtc/rtc-ac100.c
index 29223931aba7..1ddbef99e38f 100644
--- a/drivers/rtc/rtc-ac100.c
+++ b/drivers/rtc/rtc-ac100.c
@@ -610,7 +610,7 @@ static int ac100_rtc_probe(struct platform_device *pdev)
if (ret)
return ret;
- return rtc_register_device(chip->rtc);
+ return devm_rtc_register_device(chip->rtc);
}
static int ac100_rtc_remove(struct platform_device *pdev)
diff --git a/drivers/rtc/rtc-armada38x.c b/drivers/rtc/rtc-armada38x.c
index 94d7c22fc4f3..807a79c07f08 100644
--- a/drivers/rtc/rtc-armada38x.c
+++ b/drivers/rtc/rtc-armada38x.c
@@ -556,7 +556,7 @@ static __init int armada38x_rtc_probe(struct platform_device *pdev)
rtc->rtc_dev->range_max = U32_MAX;
- return rtc_register_device(rtc->rtc_dev);
+ return devm_rtc_register_device(rtc->rtc_dev);
}
#ifdef CONFIG_PM_SLEEP
diff --git a/drivers/rtc/rtc-aspeed.c b/drivers/rtc/rtc-aspeed.c
index eacdd0637cce..a93352ed3aec 100644
--- a/drivers/rtc/rtc-aspeed.c
+++ b/drivers/rtc/rtc-aspeed.c
@@ -104,7 +104,7 @@ static int aspeed_rtc_probe(struct platform_device *pdev)
rtc->rtc_dev->range_min = RTC_TIMESTAMP_BEGIN_1900;
rtc->rtc_dev->range_max = 38814989399LL; /* 3199-12-31 23:59:59 */
- return rtc_register_device(rtc->rtc_dev);
+ return devm_rtc_register_device(rtc->rtc_dev);
}
static const struct of_device_id aspeed_rtc_match[] = {
diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c
index 5e811e04cb21..fe396d27ebb7 100644
--- a/drivers/rtc/rtc-at91rm9200.c
+++ b/drivers/rtc/rtc-at91rm9200.c
@@ -36,6 +36,10 @@
#define AT91_RTC_UPDCAL BIT(1) /* Update Request Calendar Register */
#define AT91_RTC_MR 0x04 /* Mode Register */
+#define AT91_RTC_HRMOD BIT(0) /* 12/24 hour mode */
+#define AT91_RTC_NEGPPM BIT(4) /* Negative PPM correction */
+#define AT91_RTC_CORRECTION GENMASK(14, 8) /* Slow clock correction */
+#define AT91_RTC_HIGHPPM BIT(15) /* High PPM correction */
#define AT91_RTC_TIMR 0x08 /* Time Register */
#define AT91_RTC_SEC GENMASK(6, 0) /* Current Second */
@@ -77,6 +81,9 @@
#define AT91_RTC_NVTIMALR BIT(2) /* Non valid Time Alarm */
#define AT91_RTC_NVCALALR BIT(3) /* Non valid Calendar Alarm */
+#define AT91_RTC_CORR_DIVIDEND 3906000
+#define AT91_RTC_CORR_LOW_RATIO 20
+
#define at91_rtc_read(field) \
readl_relaxed(at91_rtc_regs + field)
#define at91_rtc_write(field, val) \
@@ -84,6 +91,7 @@
struct at91_rtc_config {
bool use_shadow_imr;
+ bool has_correction;
};
static const struct at91_rtc_config *at91_rtc_config;
@@ -293,6 +301,75 @@ static int at91_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
return 0;
}
+static int at91_rtc_readoffset(struct device *dev, long *offset)
+{
+ u32 mr = at91_rtc_read(AT91_RTC_MR);
+ long val = FIELD_GET(AT91_RTC_CORRECTION, mr);
+
+ if (!val) {
+ *offset = 0;
+ return 0;
+ }
+
+ val++;
+
+ if (!(mr & AT91_RTC_NEGPPM))
+ val = -val;
+
+ if (!(mr & AT91_RTC_HIGHPPM))
+ val *= AT91_RTC_CORR_LOW_RATIO;
+
+ *offset = DIV_ROUND_CLOSEST(AT91_RTC_CORR_DIVIDEND, val);
+
+ return 0;
+}
+
+static int at91_rtc_setoffset(struct device *dev, long offset)
+{
+ long corr;
+ u32 mr;
+
+ if (offset > AT91_RTC_CORR_DIVIDEND / 2)
+ return -ERANGE;
+ if (offset < -AT91_RTC_CORR_DIVIDEND / 2)
+ return -ERANGE;
+
+ mr = at91_rtc_read(AT91_RTC_MR);
+ mr &= ~(AT91_RTC_NEGPPM | AT91_RTC_CORRECTION | AT91_RTC_HIGHPPM);
+
+ if (offset > 0)
+ mr |= AT91_RTC_NEGPPM;
+ else
+ offset = -offset;
+
+ /* offset less than 764 ppb, disable correction*/
+ if (offset < 764) {
+ at91_rtc_write(AT91_RTC_MR, mr & ~AT91_RTC_NEGPPM);
+
+ return 0;
+ }
+
+ /*
+ * 29208 ppb is the perfect cutoff between low range and high range
+ * low range values are never better than high range value after that.
+ */
+ if (offset < 29208) {
+ corr = DIV_ROUND_CLOSEST(AT91_RTC_CORR_DIVIDEND, offset * AT91_RTC_CORR_LOW_RATIO);
+ } else {
+ corr = DIV_ROUND_CLOSEST(AT91_RTC_CORR_DIVIDEND, offset);
+ mr |= AT91_RTC_HIGHPPM;
+ }
+
+ if (corr > 128)
+ corr = 128;
+
+ mr |= FIELD_PREP(AT91_RTC_CORRECTION, corr - 1);
+
+ at91_rtc_write(AT91_RTC_MR, mr);
+
+ return 0;
+}
+
/*
* IRQ handler for the RTC
*/
@@ -343,6 +420,10 @@ static const struct at91_rtc_config at91sam9x5_config = {
.use_shadow_imr = true,
};
+static const struct at91_rtc_config sama5d4_config = {
+ .has_correction = true,
+};
+
static const struct of_device_id at91_rtc_dt_ids[] = {
{
.compatible = "atmel,at91rm9200-rtc",
@@ -352,10 +433,13 @@ static const struct of_device_id at91_rtc_dt_ids[] = {
.data = &at91sam9x5_config,
}, {
.compatible = "atmel,sama5d4-rtc",
- .data = &at91rm9200_config,
+ .data = &sama5d4_config,
}, {
.compatible = "atmel,sama5d2-rtc",
- .data = &at91rm9200_config,
+ .data = &sama5d4_config,
+ }, {
+ .compatible = "microchip,sam9x60-rtc",
+ .data = &sama5d4_config,
}, {
/* sentinel */
}
@@ -370,6 +454,16 @@ static const struct rtc_class_ops at91_rtc_ops = {
.alarm_irq_enable = at91_rtc_alarm_irq_enable,
};
+static const struct rtc_class_ops sama5d4_rtc_ops = {
+ .read_time = at91_rtc_readtime,
+ .set_time = at91_rtc_settime,
+ .read_alarm = at91_rtc_readalarm,
+ .set_alarm = at91_rtc_setalarm,
+ .alarm_irq_enable = at91_rtc_alarm_irq_enable,
+ .set_offset = at91_rtc_setoffset,
+ .read_offset = at91_rtc_readoffset,
+};
+
/*
* Initialize and install RTC driver
*/
@@ -416,7 +510,7 @@ static int __init at91_rtc_probe(struct platform_device *pdev)
}
at91_rtc_write(AT91_RTC_CR, 0);
- at91_rtc_write(AT91_RTC_MR, 0); /* 24 hour mode */
+ at91_rtc_write(AT91_RTC_MR, at91_rtc_read(AT91_RTC_MR) & ~AT91_RTC_HRMOD);
/* Disable all interrupts */
at91_rtc_write_idr(AT91_RTC_ACKUPD | AT91_RTC_ALARM |
@@ -437,10 +531,14 @@ static int __init at91_rtc_probe(struct platform_device *pdev)
if (!device_can_wakeup(&pdev->dev))
device_init_wakeup(&pdev->dev, 1);
- rtc->ops = &at91_rtc_ops;
+ if (at91_rtc_config->has_correction)
+ rtc->ops = &sama5d4_rtc_ops;
+ else
+ rtc->ops = &at91_rtc_ops;
+
rtc->range_min = RTC_TIMESTAMP_BEGIN_1900;
rtc->range_max = RTC_TIMESTAMP_END_2099;
- ret = rtc_register_device(rtc);
+ ret = devm_rtc_register_device(rtc);
if (ret)
goto err_clk;
diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index e39e89867d29..2216be429ab7 100644
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -431,7 +431,7 @@ static int at91_rtc_probe(struct platform_device *pdev)
dev_warn(&pdev->dev, "%s: SET TIME!\n",
dev_name(&rtc->rtcdev->dev));
- return rtc_register_device(rtc->rtcdev);
+ return devm_rtc_register_device(rtc->rtcdev);
err_clk:
clk_disable_unprepare(rtc->sclk);
diff --git a/drivers/rtc/rtc-au1xxx.c b/drivers/rtc/rtc-au1xxx.c
index 791bebcb6f47..e6428b27b5d4 100644
--- a/drivers/rtc/rtc-au1xxx.c
+++ b/drivers/rtc/rtc-au1xxx.c
@@ -104,7 +104,7 @@ static int au1xtoy_rtc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, rtcdev);
- return rtc_register_device(rtcdev);
+ return devm_rtc_register_device(rtcdev);
}
static struct platform_driver au1xrtc_driver = {
diff --git a/drivers/rtc/rtc-bd70528.c b/drivers/rtc/rtc-bd70528.c
index 4492b770422c..17cb67f5bf6e 100644
--- a/drivers/rtc/rtc-bd70528.c
+++ b/drivers/rtc/rtc-bd70528.c
@@ -604,7 +604,7 @@ static int bd70528_probe(struct platform_device *pdev)
}
}
- return rtc_register_device(rtc);
+ return devm_rtc_register_device(rtc);
}
static const struct platform_device_id bd718x7_rtc_id[] = {
diff --git a/drivers/rtc/rtc-brcmstb-waketimer.c b/drivers/rtc/rtc-brcmstb-waketimer.c
index 4fee57c51280..0366e2ff04ae 100644
--- a/drivers/rtc/rtc-brcmstb-waketimer.c
+++ b/drivers/rtc/rtc-brcmstb-waketimer.c
@@ -252,7 +252,7 @@ static int brcmstb_waketmr_probe(struct platform_device *pdev)
timer->rtc->ops = &brcmstb_waketmr_ops;
timer->rtc->range_max = U32_MAX;
- ret = rtc_register_device(timer->rtc);
+ ret = devm_rtc_register_device(timer->rtc);
if (ret)
goto err_notifier;
@@ -264,8 +264,7 @@ err_notifier:
unregister_reboot_notifier(&timer->reboot_notifier);
err_clk:
- if (timer->clk)
- clk_disable_unprepare(timer->clk);
+ clk_disable_unprepare(timer->clk);
return ret;
}
diff --git a/drivers/rtc/rtc-cadence.c b/drivers/rtc/rtc-cadence.c
index 595d5d252850..1edf7f16d73a 100644
--- a/drivers/rtc/rtc-cadence.c
+++ b/drivers/rtc/rtc-cadence.c
@@ -336,7 +336,7 @@ static int cdns_rtc_probe(struct platform_device *pdev)
writel(0, crtc->regs + CDNS_RTC_HMR);
writel(CDNS_RTC_KRTCR_KRTC, crtc->regs + CDNS_RTC_KRTCR);
- ret = rtc_register_device(crtc->rtc_dev);
+ ret = devm_rtc_register_device(crtc->rtc_dev);
if (ret)
goto err_disable_wakeup;
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index c5bcd2adc9fe..51e80bc70d42 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -863,8 +863,7 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
cmos_rtc.rtc->ops = &cmos_rtc_ops_no_alarm;
}
- cmos_rtc.rtc->nvram_old_abi = true;
- retval = rtc_register_device(cmos_rtc.rtc);
+ retval = devm_rtc_register_device(cmos_rtc.rtc);
if (retval)
goto cleanup2;
@@ -873,8 +872,7 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq)
/* export at least the first block of NVRAM */
nvmem_cfg.size = address_space - NVRAM_OFFSET;
- if (rtc_nvmem_register(cmos_rtc.rtc, &nvmem_cfg))
- dev_err(dev, "nvmem registration failed\n");
+ devm_rtc_nvmem_register(cmos_rtc.rtc, &nvmem_cfg);
dev_info(dev, "%s%s, %d bytes nvram%s\n",
!is_valid_irq(rtc_irq) ? "no alarms" :
diff --git a/drivers/rtc/rtc-coh901331.c b/drivers/rtc/rtc-coh901331.c
index da59917c9ee8..168ced87d93a 100644
--- a/drivers/rtc/rtc-coh901331.c
+++ b/drivers/rtc/rtc-coh901331.c
@@ -203,7 +203,7 @@ static int __init coh901331_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, rtap);
- ret = rtc_register_device(rtap->rtc);
+ ret = devm_rtc_register_device(rtap->rtc);
if (ret)
goto out_no_rtc;
diff --git a/drivers/rtc/rtc-cpcap.c b/drivers/rtc/rtc-cpcap.c
index 800667d73a6f..afc8fcba8f88 100644
--- a/drivers/rtc/rtc-cpcap.c
+++ b/drivers/rtc/rtc-cpcap.c
@@ -269,7 +269,8 @@ static int cpcap_rtc_probe(struct platform_device *pdev)
rtc->alarm_irq = platform_get_irq(pdev, 0);
err = devm_request_threaded_irq(dev, rtc->alarm_irq, NULL,
- cpcap_rtc_alarm_irq, IRQF_TRIGGER_NONE,
+ cpcap_rtc_alarm_irq,
+ IRQF_TRIGGER_NONE | IRQF_ONESHOT,
"rtc_alarm", rtc);
if (err) {
dev_err(dev, "Could not request alarm irq: %d\n", err);
@@ -285,7 +286,8 @@ static int cpcap_rtc_probe(struct platform_device *pdev)
*/
rtc->update_irq = platform_get_irq(pdev, 1);
err = devm_request_threaded_irq(dev, rtc->update_irq, NULL,
- cpcap_rtc_update_irq, IRQF_TRIGGER_NONE,
+ cpcap_rtc_update_irq,
+ IRQF_TRIGGER_NONE | IRQF_ONESHOT,
"rtc_1hz", rtc);
if (err) {
dev_err(dev, "Could not request update irq: %d\n", err);
@@ -299,7 +301,7 @@ static int cpcap_rtc_probe(struct platform_device *pdev)
/* ignore error and continue without wakeup support */
}
- return rtc_register_device(rtc->rtc_dev);
+ return devm_rtc_register_device(rtc->rtc_dev);
}
static const struct of_device_id cpcap_rtc_of_match[] = {
diff --git a/drivers/rtc/rtc-cros-ec.c b/drivers/rtc/rtc-cros-ec.c
index f7343c289cab..70626793ca69 100644
--- a/drivers/rtc/rtc-cros-ec.c
+++ b/drivers/rtc/rtc-cros-ec.c
@@ -350,7 +350,7 @@ static int cros_ec_rtc_probe(struct platform_device *pdev)
cros_ec_rtc->rtc->ops = &cros_ec_rtc_ops;
cros_ec_rtc->rtc->range_max = U32_MAX;
- ret = rtc_register_device(cros_ec_rtc->rtc);
+ ret = devm_rtc_register_device(cros_ec_rtc->rtc);
if (ret)
return ret;
diff --git a/drivers/rtc/rtc-da9052.c b/drivers/rtc/rtc-da9052.c
index 58de10da37b1..9ca99bd35702 100644
--- a/drivers/rtc/rtc-da9052.c
+++ b/drivers/rtc/rtc-da9052.c
@@ -304,7 +304,7 @@ static int da9052_rtc_probe(struct platform_device *pdev)
rtc->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
rtc->rtc->range_max = RTC_TIMESTAMP_END_2063;
- ret = rtc_register_device(rtc->rtc);
+ ret = devm_rtc_register_device(rtc->rtc);
if (ret)
return ret;
diff --git a/drivers/rtc/rtc-da9063.c b/drivers/rtc/rtc-da9063.c
index 046b1d4c3dae..d4b72a9fa2ba 100644
--- a/drivers/rtc/rtc-da9063.c
+++ b/drivers/rtc/rtc-da9063.c
@@ -243,7 +243,7 @@ static int da9063_rtc_read_time(struct device *dev, struct rtc_time *tm)
al_secs = rtc_tm_to_time64(&rtc->alarm_time);
/* handle the rtc synchronisation delay */
- if (rtc->rtc_sync == true && al_secs - tm_secs == 1)
+ if (rtc->rtc_sync && al_secs - tm_secs == 1)
memcpy(tm, &rtc->alarm_time, sizeof(struct rtc_time));
else
rtc->rtc_sync = false;
@@ -494,7 +494,7 @@ static int da9063_rtc_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "Failed to request ALARM IRQ %d: %d\n",
irq_alarm, ret);
- return rtc_register_device(rtc->rtc_dev);
+ return devm_rtc_register_device(rtc->rtc_dev);
}
static struct platform_driver da9063_rtc_driver = {
diff --git a/drivers/rtc/rtc-davinci.c b/drivers/rtc/rtc-davinci.c
index 73f87a17cdf3..6bef0f2353da 100644
--- a/drivers/rtc/rtc-davinci.c
+++ b/drivers/rtc/rtc-davinci.c
@@ -484,7 +484,7 @@ static int __init davinci_rtc_probe(struct platform_device *pdev)
device_init_wakeup(&pdev->dev, 0);
- return rtc_register_device(davinci_rtc->rtc);
+ return devm_rtc_register_device(davinci_rtc->rtc);
}
static int __exit davinci_rtc_remove(struct platform_device *pdev)
diff --git a/drivers/rtc/rtc-digicolor.c b/drivers/rtc/rtc-digicolor.c
index 200d85b01e8b..4fdfa5b6feb2 100644
--- a/drivers/rtc/rtc-digicolor.c
+++ b/drivers/rtc/rtc-digicolor.c
@@ -202,7 +202,7 @@ static int __init dc_rtc_probe(struct platform_device *pdev)
rtc->rtc_dev->ops = &dc_rtc_ops;
rtc->rtc_dev->range_max = U32_MAX;
- return rtc_register_device(rtc->rtc_dev);
+ return devm_rtc_register_device(rtc->rtc_dev);
}
static const struct of_device_id dc_dt_ids[] = {
diff --git a/drivers/rtc/rtc-dm355evm.c b/drivers/rtc/rtc-dm355evm.c
index cd947a20843b..94fb16ac3e0f 100644
--- a/drivers/rtc/rtc-dm355evm.c
+++ b/drivers/rtc/rtc-dm355evm.c
@@ -132,7 +132,7 @@ static int dm355evm_rtc_probe(struct platform_device *pdev)
rtc->ops = &dm355evm_rtc_ops;
rtc->range_max = U32_MAX;
- return rtc_register_device(rtc);
+ return devm_rtc_register_device(rtc);
}
/*
diff --git a/drivers/rtc/rtc-ds1305.c b/drivers/rtc/rtc-ds1305.c
index a3d790889eea..8c2ab29c3d91 100644
--- a/drivers/rtc/rtc-ds1305.c
+++ b/drivers/rtc/rtc-ds1305.c
@@ -694,12 +694,11 @@ static int ds1305_probe(struct spi_device *spi)
ds1305->rtc->range_max = RTC_TIMESTAMP_END_2099;
ds1305_nvmem_cfg.priv = ds1305;
- ds1305->rtc->nvram_old_abi = true;
- status = rtc_register_device(ds1305->rtc);
+ status = devm_rtc_register_device(ds1305->rtc);
if (status)
return status;
- rtc_nvmem_register(ds1305->rtc, &ds1305_nvmem_cfg);
+ devm_rtc_nvmem_register(ds1305->rtc, &ds1305_nvmem_cfg);
/* Maybe set up alarm IRQ; be ready to handle it triggering right
* away. NOTE that we don't share this. The signal is active low,
diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index 9f5f54ca039d..183cf7c01364 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -8,12 +8,12 @@
* Copyright (C) 2012 Bertrand Achard (nvram access fixes)
*/
-#include <linux/acpi.h>
#include <linux/bcd.h>
#include <linux/i2c.h>
#include <linux/init.h>
+#include <linux/mod_devicetable.h>
#include <linux/module.h>
-#include <linux/of_device.h>
+#include <linux/property.h>
#include <linux/rtc/ds1307.h>
#include <linux/rtc.h>
#include <linux/slab.h>
@@ -31,6 +31,7 @@
* That's a natural job for a factory or repair bench.
*/
enum ds_type {
+ unknown_ds_type, /* always first and 0 */
ds_1307,
ds_1308,
ds_1337,
@@ -1090,7 +1091,6 @@ static const struct i2c_device_id ds1307_id[] = {
};
MODULE_DEVICE_TABLE(i2c, ds1307_id);
-#ifdef CONFIG_OF
static const struct of_device_id ds1307_of_match[] = {
{
.compatible = "dallas,ds1307",
@@ -1167,32 +1167,6 @@ static const struct of_device_id ds1307_of_match[] = {
{ }
};
MODULE_DEVICE_TABLE(of, ds1307_of_match);
-#endif
-
-#ifdef CONFIG_ACPI
-static const struct acpi_device_id ds1307_acpi_ids[] = {
- { .id = "DS1307", .driver_data = ds_1307 },
- { .id = "DS1308", .driver_data = ds_1308 },
- { .id = "DS1337", .driver_data = ds_1337 },
- { .id = "DS1338", .driver_data = ds_1338 },
- { .id = "DS1339", .driver_data = ds_1339 },
- { .id = "DS1388", .driver_data = ds_1388 },
- { .id = "DS1340", .driver_data = ds_1340 },
- { .id = "DS1341", .driver_data = ds_1341 },
- { .id = "DS3231", .driver_data = ds_3231 },
- { .id = "M41T0", .driver_data = m41t0 },
- { .id = "M41T00", .driver_data = m41t00 },
- { .id = "M41T11", .driver_data = m41t11 },
- { .id = "MCP7940X", .driver_data = mcp794xx },
- { .id = "MCP7941X", .driver_data = mcp794xx },
- { .id = "PT7C4338", .driver_data = ds_1307 },
- { .id = "RX8025", .driver_data = rx_8025 },
- { .id = "ISL12057", .driver_data = ds_1337 },
- { .id = "RX8130", .driver_data = rx_8130 },
- { }
-};
-MODULE_DEVICE_TABLE(acpi, ds1307_acpi_ids);
-#endif
/*
* The ds1337 and ds1339 both have two alarms, but we only use the first
@@ -1626,13 +1600,16 @@ static const struct clk_ops ds3231_clk_32khz_ops = {
.recalc_rate = ds3231_clk_32khz_recalc_rate,
};
+static const char *ds3231_clks_names[] = {
+ [DS3231_CLK_SQW] = "ds3231_clk_sqw",
+ [DS3231_CLK_32KHZ] = "ds3231_clk_32khz",
+};
+
static struct clk_init_data ds3231_clks_init[] = {
[DS3231_CLK_SQW] = {
- .name = "ds3231_clk_sqw",
.ops = &ds3231_clk_sqw_ops,
},
[DS3231_CLK_32KHZ] = {
- .name = "ds3231_clk_32khz",
.ops = &ds3231_clk_32khz_ops,
},
};
@@ -1653,6 +1630,11 @@ static int ds3231_clks_register(struct ds1307 *ds1307)
if (!onecell->clks)
return -ENOMEM;
+ /* optional override of the clockname */
+ device_property_read_string_array(ds1307->dev, "clock-output-names",
+ ds3231_clks_names,
+ ARRAY_SIZE(ds3231_clks_names));
+
for (i = 0; i < ARRAY_SIZE(ds3231_clks_init); i++) {
struct clk_init_data init = ds3231_clks_init[i];
@@ -1663,9 +1645,7 @@ static int ds3231_clks_register(struct ds1307 *ds1307)
if (i == DS3231_CLK_SQW && test_bit(HAS_ALARM, &ds1307->flags))
continue;
- /* optional override of the clockname */
- of_property_read_string_index(node, "clock-output-names", i,
- &init.name);
+ init.name = ds3231_clks_names[i];
ds1307->clks[i].init = &init;
onecell->clks[i] = devm_clk_register(ds1307->dev,
@@ -1674,10 +1654,8 @@ static int ds3231_clks_register(struct ds1307 *ds1307)
return PTR_ERR(onecell->clks[i]);
}
- if (!node)
- return 0;
-
- of_clk_add_provider(node, of_clk_src_onecell_get, onecell);
+ if (node)
+ of_clk_add_provider(node, of_clk_src_onecell_get, onecell);
return 0;
}
@@ -1761,6 +1739,7 @@ static int ds1307_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct ds1307 *ds1307;
+ const void *match;
int err = -ENODEV;
int tmp;
const struct chip_desc *chip;
@@ -1786,22 +1765,15 @@ static int ds1307_probe(struct i2c_client *client,
i2c_set_clientdata(client, ds1307);
- if (client->dev.of_node) {
- ds1307->type = (enum ds_type)
- of_device_get_match_data(&client->dev);
+ match = device_get_match_data(&client->dev);
+ if (match) {
+ ds1307->type = (enum ds_type)match;
chip = &chips[ds1307->type];
} else if (id) {
chip = &chips[id->driver_data];
ds1307->type = id->driver_data;
} else {
- const struct acpi_device_id *acpi_id;
-
- acpi_id = acpi_match_device(ACPI_PTR(ds1307_acpi_ids),
- ds1307->dev);
- if (!acpi_id)
- return -ENODEV;
- chip = &chips[acpi_id->driver_data];
- ds1307->type = acpi_id->driver_data;
+ return -ENODEV;
}
want_irq = client->irq > 0 && chip->alarm;
@@ -1819,7 +1791,6 @@ static int ds1307_probe(struct i2c_client *client,
trickle_charger_setup);
}
-#ifdef CONFIG_OF
/*
* For devices with no IRQ directly connected to the SoC, the RTC chip
* can be forced as a wakeup source by stating that explicitly in
@@ -1828,10 +1799,8 @@ static int ds1307_probe(struct i2c_client *client,
* This will guarantee the 'wakealarm' sysfs entry is available on the device,
* if supported by the RTC.
*/
- if (chip->alarm && of_property_read_bool(client->dev.of_node,
- "wakeup-source"))
+ if (chip->alarm && device_property_read_bool(&client->dev, "wakeup-source"))
ds1307_can_wakeup_device = true;
-#endif
switch (ds1307->type) {
case ds_1337:
@@ -2032,7 +2001,7 @@ static int ds1307_probe(struct i2c_client *client,
if (err)
return err;
- err = rtc_register_device(ds1307->rtc);
+ err = devm_rtc_register_device(ds1307->rtc);
if (err)
return err;
@@ -2047,8 +2016,7 @@ static int ds1307_probe(struct i2c_client *client,
.priv = ds1307,
};
- ds1307->rtc->nvram_old_abi = true;
- rtc_nvmem_register(ds1307->rtc, &nvmem_cfg);
+ devm_rtc_nvmem_register(ds1307->rtc, &nvmem_cfg);
}
ds1307_hwmon_register(ds1307);
@@ -2064,8 +2032,7 @@ exit:
static struct i2c_driver ds1307_driver = {
.driver = {
.name = "rtc-ds1307",
- .of_match_table = of_match_ptr(ds1307_of_match),
- .acpi_match_table = ACPI_PTR(ds1307_acpi_ids),
+ .of_match_table = ds1307_of_match,
},
.probe = ds1307_probe,
.id_table = ds1307_id,
diff --git a/drivers/rtc/rtc-ds1343.c b/drivers/rtc/rtc-ds1343.c
index ba143423875b..f14ed6c96437 100644
--- a/drivers/rtc/rtc-ds1343.c
+++ b/drivers/rtc/rtc-ds1343.c
@@ -399,7 +399,6 @@ static int ds1343_probe(struct spi_device *spi)
if (IS_ERR(priv->rtc))
return PTR_ERR(priv->rtc);
- priv->rtc->nvram_old_abi = true;
priv->rtc->ops = &ds1343_rtc_ops;
priv->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
priv->rtc->range_max = RTC_TIMESTAMP_END_2099;
@@ -409,12 +408,12 @@ static int ds1343_probe(struct spi_device *spi)
dev_err(&spi->dev,
"unable to create sysfs entries for rtc ds1343\n");
- res = rtc_register_device(priv->rtc);
+ res = devm_rtc_register_device(priv->rtc);
if (res)
return res;
nvmem_cfg.priv = priv;
- rtc_nvmem_register(priv->rtc, &nvmem_cfg);
+ devm_rtc_nvmem_register(priv->rtc, &nvmem_cfg);
priv->irq = spi->irq;
diff --git a/drivers/rtc/rtc-ds1347.c b/drivers/rtc/rtc-ds1347.c
index 7025cf3fb9f8..157bf5209ac4 100644
--- a/drivers/rtc/rtc-ds1347.c
+++ b/drivers/rtc/rtc-ds1347.c
@@ -166,7 +166,7 @@ static int ds1347_probe(struct spi_device *spi)
rtc->range_min = RTC_TIMESTAMP_BEGIN_0000;
rtc->range_max = RTC_TIMESTAMP_END_9999;
- return rtc_register_device(rtc);
+ return devm_rtc_register_device(rtc);
}
static struct spi_driver ds1347_driver = {
diff --git a/drivers/rtc/rtc-ds1374.c b/drivers/rtc/rtc-ds1374.c
index 177d870bda0d..fab79921a712 100644
--- a/drivers/rtc/rtc-ds1374.c
+++ b/drivers/rtc/rtc-ds1374.c
@@ -508,7 +508,7 @@ static int ds1374_probe(struct i2c_client *client,
ds1374->rtc->ops = &ds1374_rtc_ops;
ds1374->rtc->range_max = U32_MAX;
- ret = rtc_register_device(ds1374->rtc);
+ ret = devm_rtc_register_device(ds1374->rtc);
if (ret)
return ret;
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index a63872c4c76d..bda884333082 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -466,13 +466,11 @@ static int ds1511_rtc_probe(struct platform_device *pdev)
pdata->rtc->ops = &ds1511_rtc_ops;
- pdata->rtc->nvram_old_abi = true;
-
- ret = rtc_register_device(pdata->rtc);
+ ret = devm_rtc_register_device(pdata->rtc);
if (ret)
return ret;
- rtc_nvmem_register(pdata->rtc, &ds1511_nvmem_cfg);
+ devm_rtc_nvmem_register(pdata->rtc, &ds1511_nvmem_cfg);
/*
* if the platform has an interrupt in mind for this device,
diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c
index cdf5e05b9489..dbff5b621ef5 100644
--- a/drivers/rtc/rtc-ds1553.c
+++ b/drivers/rtc/rtc-ds1553.c
@@ -294,9 +294,8 @@ static int ds1553_rtc_probe(struct platform_device *pdev)
return PTR_ERR(pdata->rtc);
pdata->rtc->ops = &ds1553_rtc_ops;
- pdata->rtc->nvram_old_abi = true;
- ret = rtc_register_device(pdata->rtc);
+ ret = devm_rtc_register_device(pdata->rtc);
if (ret)
return ret;
@@ -310,8 +309,7 @@ static int ds1553_rtc_probe(struct platform_device *pdev)
}
}
- if (rtc_nvmem_register(pdata->rtc, &nvmem_cfg))
- dev_err(&pdev->dev, "unable to register nvmem\n");
+ devm_rtc_nvmem_register(pdata->rtc, &nvmem_cfg);
return 0;
}
diff --git a/drivers/rtc/rtc-ds1672.c b/drivers/rtc/rtc-ds1672.c
index 9da84df9f152..630493759d15 100644
--- a/drivers/rtc/rtc-ds1672.c
+++ b/drivers/rtc/rtc-ds1672.c
@@ -124,7 +124,7 @@ static int ds1672_probe(struct i2c_client *client,
rtc->ops = &ds1672_rtc_ops;
rtc->range_max = U32_MAX;
- err = rtc_register_device(rtc);
+ err = devm_rtc_register_device(rtc);
if (err)
return err;
diff --git a/drivers/rtc/rtc-ds1685.c b/drivers/rtc/rtc-ds1685.c
index dfbd7b88b2b9..d69c807af29b 100644
--- a/drivers/rtc/rtc-ds1685.c
+++ b/drivers/rtc/rtc-ds1685.c
@@ -1316,13 +1316,12 @@ ds1685_rtc_probe(struct platform_device *pdev)
if (ret)
return ret;
- rtc_dev->nvram_old_abi = true;
nvmem_cfg.priv = rtc;
- ret = rtc_nvmem_register(rtc_dev, &nvmem_cfg);
+ ret = devm_rtc_nvmem_register(rtc_dev, &nvmem_cfg);
if (ret)
return ret;
- return rtc_register_device(rtc_dev);
+ return devm_rtc_register_device(rtc_dev);
}
/**
diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c
index 2b949f0dbaa9..13d45c697da6 100644
--- a/drivers/rtc/rtc-ds1742.c
+++ b/drivers/rtc/rtc-ds1742.c
@@ -190,14 +190,12 @@ static int ds1742_rtc_probe(struct platform_device *pdev)
return PTR_ERR(rtc);
rtc->ops = &ds1742_rtc_ops;
- rtc->nvram_old_abi = true;
- ret = rtc_register_device(rtc);
+ ret = devm_rtc_register_device(rtc);
if (ret)
return ret;
- if (rtc_nvmem_register(rtc, &nvmem_cfg))
- dev_err(&pdev->dev, "Unable to register nvmem\n");
+ devm_rtc_nvmem_register(rtc, &nvmem_cfg);
return 0;
}
diff --git a/drivers/rtc/rtc-ds2404.c b/drivers/rtc/rtc-ds2404.c
index 9df0c44512b8..0480f592307e 100644
--- a/drivers/rtc/rtc-ds2404.c
+++ b/drivers/rtc/rtc-ds2404.c
@@ -234,7 +234,7 @@ static int rtc_probe(struct platform_device *pdev)
chip->rtc->ops = &ds2404_rtc_ops;
chip->rtc->range_max = U32_MAX;
- retval = rtc_register_device(chip->rtc);
+ retval = devm_rtc_register_device(chip->rtc);
if (retval)
return retval;
diff --git a/drivers/rtc/rtc-ds3232.c b/drivers/rtc/rtc-ds3232.c
index 69c37ab64352..16b89035d135 100644
--- a/drivers/rtc/rtc-ds3232.c
+++ b/drivers/rtc/rtc-ds3232.c
@@ -518,7 +518,7 @@ static int ds3232_probe(struct device *dev, struct regmap *regmap, int irq,
if (IS_ERR(ds3232->rtc))
return PTR_ERR(ds3232->rtc);
- ret = rtc_nvmem_register(ds3232->rtc, &nvmem_cfg);
+ ret = devm_rtc_nvmem_register(ds3232->rtc, &nvmem_cfg);
if(ret)
return ret;
diff --git a/drivers/rtc/rtc-ep93xx.c b/drivers/rtc/rtc-ep93xx.c
index 8ec9ea1ca72e..acae7f16808f 100644
--- a/drivers/rtc/rtc-ep93xx.c
+++ b/drivers/rtc/rtc-ep93xx.c
@@ -33,7 +33,7 @@ struct ep93xx_rtc {
static int ep93xx_rtc_get_swcomp(struct device *dev, unsigned short *preload,
unsigned short *delete)
{
- struct ep93xx_rtc *ep93xx_rtc = dev_get_platdata(dev);
+ struct ep93xx_rtc *ep93xx_rtc = dev_get_drvdata(dev);
unsigned long comp;
comp = readl(ep93xx_rtc->mmio_base + EP93XX_RTC_SWCOMP);
@@ -51,7 +51,7 @@ static int ep93xx_rtc_get_swcomp(struct device *dev, unsigned short *preload,
static int ep93xx_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
- struct ep93xx_rtc *ep93xx_rtc = dev_get_platdata(dev);
+ struct ep93xx_rtc *ep93xx_rtc = dev_get_drvdata(dev);
unsigned long time;
time = readl(ep93xx_rtc->mmio_base + EP93XX_RTC_DATA);
@@ -62,7 +62,7 @@ static int ep93xx_rtc_read_time(struct device *dev, struct rtc_time *tm)
static int ep93xx_rtc_set_time(struct device *dev, struct rtc_time *tm)
{
- struct ep93xx_rtc *ep93xx_rtc = dev_get_platdata(dev);
+ struct ep93xx_rtc *ep93xx_rtc = dev_get_drvdata(dev);
unsigned long secs = rtc_tm_to_time64(tm);
writel(secs + 1, ep93xx_rtc->mmio_base + EP93XX_RTC_LOAD);
@@ -145,7 +145,7 @@ static int ep93xx_rtc_probe(struct platform_device *pdev)
if (err)
return err;
- return rtc_register_device(ep93xx_rtc->rtc);
+ return devm_rtc_register_device(ep93xx_rtc->rtc);
}
static struct platform_driver ep93xx_rtc_driver = {
diff --git a/drivers/rtc/rtc-fsl-ftm-alarm.c b/drivers/rtc/rtc-fsl-ftm-alarm.c
index 48d3b38ea348..57cc09d0a806 100644
--- a/drivers/rtc/rtc-fsl-ftm-alarm.c
+++ b/drivers/rtc/rtc-fsl-ftm-alarm.c
@@ -290,7 +290,7 @@ static int ftm_rtc_probe(struct platform_device *pdev)
if (ret)
dev_err(&pdev->dev, "failed to enable irq wake\n");
- ret = rtc_register_device(rtc->rtc_dev);
+ ret = devm_rtc_register_device(rtc->rtc_dev);
if (ret) {
dev_err(&pdev->dev, "can't register rtc device\n");
return ret;
diff --git a/drivers/rtc/rtc-ftrtc010.c b/drivers/rtc/rtc-ftrtc010.c
index 0919f7dc94a3..ad3add5db4c8 100644
--- a/drivers/rtc/rtc-ftrtc010.c
+++ b/drivers/rtc/rtc-ftrtc010.c
@@ -176,7 +176,7 @@ static int ftrtc010_rtc_probe(struct platform_device *pdev)
if (unlikely(ret))
return ret;
- return rtc_register_device(rtc->rtc_dev);
+ return devm_rtc_register_device(rtc->rtc_dev);
}
static int ftrtc010_rtc_remove(struct platform_device *pdev)
diff --git a/drivers/rtc/rtc-goldfish.c b/drivers/rtc/rtc-goldfish.c
index 6349d2cd3680..7ab95d052644 100644
--- a/drivers/rtc/rtc-goldfish.c
+++ b/drivers/rtc/rtc-goldfish.c
@@ -194,7 +194,7 @@ static int goldfish_rtc_probe(struct platform_device *pdev)
if (err)
return err;
- return rtc_register_device(rtcdrv->rtc);
+ return devm_rtc_register_device(rtcdrv->rtc);
}
static const struct of_device_id goldfish_rtc_of_match[] = {
diff --git a/drivers/rtc/rtc-hym8563.c b/drivers/rtc/rtc-hym8563.c
index 0fb79c4afb46..24e0095be058 100644
--- a/drivers/rtc/rtc-hym8563.c
+++ b/drivers/rtc/rtc-hym8563.c
@@ -527,8 +527,6 @@ static int hym8563_probe(struct i2c_client *client,
hym8563->client = client;
i2c_set_clientdata(client, hym8563);
- device_set_wakeup_capable(&client->dev, true);
-
ret = hym8563_init_device(client);
if (ret) {
dev_err(&client->dev, "could not init device, %d\n", ret);
@@ -547,6 +545,11 @@ static int hym8563_probe(struct i2c_client *client,
}
}
+ if (client->irq > 0 ||
+ device_property_read_bool(&client->dev, "wakeup-source")) {
+ device_init_wakeup(&client->dev, true);
+ }
+
/* check state of calendar information */
ret = i2c_smbus_read_byte_data(client, HYM8563_SEC);
if (ret < 0)
diff --git a/drivers/rtc/rtc-imx-sc.c b/drivers/rtc/rtc-imx-sc.c
index a5f59e6f862e..cc9fbab49999 100644
--- a/drivers/rtc/rtc-imx-sc.c
+++ b/drivers/rtc/rtc-imx-sc.c
@@ -166,7 +166,7 @@ static int imx_sc_rtc_probe(struct platform_device *pdev)
imx_sc_rtc->range_min = 0;
imx_sc_rtc->range_max = U32_MAX;
- ret = rtc_register_device(imx_sc_rtc);
+ ret = devm_rtc_register_device(imx_sc_rtc);
if (ret)
return ret;
diff --git a/drivers/rtc/rtc-imxdi.c b/drivers/rtc/rtc-imxdi.c
index 8d141d8a5490..c2692da74e09 100644
--- a/drivers/rtc/rtc-imxdi.c
+++ b/drivers/rtc/rtc-imxdi.c
@@ -814,7 +814,7 @@ static int __init dryice_rtc_probe(struct platform_device *pdev)
imxdi->rtc->ops = &dryice_rtc_ops;
imxdi->rtc->range_max = U32_MAX;
- rc = rtc_register_device(imxdi->rtc);
+ rc = devm_rtc_register_device(imxdi->rtc);
if (rc)
goto err;
diff --git a/drivers/rtc/rtc-isl12026.c b/drivers/rtc/rtc-isl12026.c
index 5b6b17fb6d62..1fc6627d854d 100644
--- a/drivers/rtc/rtc-isl12026.c
+++ b/drivers/rtc/rtc-isl12026.c
@@ -465,11 +465,11 @@ static int isl12026_probe_new(struct i2c_client *client)
priv->rtc->ops = &isl12026_rtc_ops;
nvm_cfg.priv = priv;
- ret = rtc_nvmem_register(priv->rtc, &nvm_cfg);
+ ret = devm_rtc_nvmem_register(priv->rtc, &nvm_cfg);
if (ret)
return ret;
- return rtc_register_device(priv->rtc);
+ return devm_rtc_register_device(priv->rtc);
}
static int isl12026_remove(struct i2c_client *client)
diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c
index ebb691fa48a6..563a6d9c9fcf 100644
--- a/drivers/rtc/rtc-isl1208.c
+++ b/drivers/rtc/rtc-isl1208.c
@@ -890,11 +890,11 @@ isl1208_probe(struct i2c_client *client, const struct i2c_device_id *id)
if (rc)
return rc;
- rc = rtc_nvmem_register(isl1208->rtc, &isl1208->nvmem_config);
+ rc = devm_rtc_nvmem_register(isl1208->rtc, &isl1208->nvmem_config);
if (rc)
return rc;
- return rtc_register_device(isl1208->rtc);
+ return devm_rtc_register_device(isl1208->rtc);
}
static struct i2c_driver isl1208_driver = {
diff --git a/drivers/rtc/rtc-jz4740.c b/drivers/rtc/rtc-jz4740.c
index 9607e6b6e0b3..6e51df72fd65 100644
--- a/drivers/rtc/rtc-jz4740.c
+++ b/drivers/rtc/rtc-jz4740.c
@@ -375,7 +375,7 @@ static int jz4740_rtc_probe(struct platform_device *pdev)
/* Each 1 Hz pulse should happen after (rate) ticks */
jz4740_rtc_reg_write(rtc, JZ_REG_RTC_REGULATOR, rate - 1);
- ret = rtc_register_device(rtc->rtc);
+ ret = devm_rtc_register_device(rtc->rtc);
if (ret)
return ret;
diff --git a/drivers/rtc/rtc-lpc32xx.c b/drivers/rtc/rtc-lpc32xx.c
index 15d8abda81fe..76ad7031a13d 100644
--- a/drivers/rtc/rtc-lpc32xx.c
+++ b/drivers/rtc/rtc-lpc32xx.c
@@ -239,7 +239,7 @@ static int lpc32xx_rtc_probe(struct platform_device *pdev)
rtc->rtc->ops = &lpc32xx_rtc_ops;
rtc->rtc->range_max = U32_MAX;
- err = rtc_register_device(rtc->rtc);
+ err = devm_rtc_register_device(rtc->rtc);
if (err)
return err;
diff --git a/drivers/rtc/rtc-ls1x.c b/drivers/rtc/rtc-ls1x.c
index 8bd34056fea0..5af26dc5c2a3 100644
--- a/drivers/rtc/rtc-ls1x.c
+++ b/drivers/rtc/rtc-ls1x.c
@@ -176,7 +176,7 @@ static int ls1x_rtc_probe(struct platform_device *pdev)
rtcdev->range_min = RTC_TIMESTAMP_BEGIN_1900;
rtcdev->range_max = RTC_TIMESTAMP_END_2099;
- return rtc_register_device(rtcdev);
+ return devm_rtc_register_device(rtcdev);
}
static struct platform_driver ls1x_rtc_driver = {
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index 8a89bc52b0d4..160dcf68e64e 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -977,7 +977,7 @@ static int m41t80_probe(struct i2c_client *client,
m41t80_sqw_register_clk(m41t80_data);
#endif
- rc = rtc_register_device(m41t80_data->rtc);
+ rc = devm_rtc_register_device(m41t80_data->rtc);
if (rc)
return rc;
diff --git a/drivers/rtc/rtc-m48t59.c b/drivers/rtc/rtc-m48t59.c
index 67e218758a8b..5f5898d3b055 100644
--- a/drivers/rtc/rtc-m48t59.c
+++ b/drivers/rtc/rtc-m48t59.c
@@ -463,15 +463,14 @@ static int m48t59_rtc_probe(struct platform_device *pdev)
if (IS_ERR(m48t59->rtc))
return PTR_ERR(m48t59->rtc);
- m48t59->rtc->nvram_old_abi = true;
m48t59->rtc->ops = ops;
nvmem_cfg.size = pdata->offset;
- ret = rtc_nvmem_register(m48t59->rtc, &nvmem_cfg);
+ ret = devm_rtc_nvmem_register(m48t59->rtc, &nvmem_cfg);
if (ret)
return ret;
- ret = rtc_register_device(m48t59->rtc);
+ ret = devm_rtc_register_device(m48t59->rtc);
if (ret)
return ret;
diff --git a/drivers/rtc/rtc-m48t86.c b/drivers/rtc/rtc-m48t86.c
index 75a0e73071d8..481c9525b1dd 100644
--- a/drivers/rtc/rtc-m48t86.c
+++ b/drivers/rtc/rtc-m48t86.c
@@ -254,13 +254,12 @@ static int m48t86_rtc_probe(struct platform_device *pdev)
return PTR_ERR(info->rtc);
info->rtc->ops = &m48t86_rtc_ops;
- info->rtc->nvram_old_abi = true;
- err = rtc_register_device(info->rtc);
+ err = devm_rtc_register_device(info->rtc);
if (err)
return err;
- rtc_nvmem_register(info->rtc, &m48t86_nvmem_cfg);
+ devm_rtc_nvmem_register(info->rtc, &m48t86_nvmem_cfg);
/* read battery status */
reg = m48t86_readb(&pdev->dev, M48T86_D);
diff --git a/drivers/rtc/rtc-mc13xxx.c b/drivers/rtc/rtc-mc13xxx.c
index d6802e6191cb..d4234e78497e 100644
--- a/drivers/rtc/rtc-mc13xxx.c
+++ b/drivers/rtc/rtc-mc13xxx.c
@@ -307,7 +307,7 @@ static int __init mc13xxx_rtc_probe(struct platform_device *pdev)
mc13xxx_unlock(mc13xxx);
- ret = rtc_register_device(priv->rtc);
+ ret = devm_rtc_register_device(priv->rtc);
if (ret) {
mc13xxx_lock(mc13xxx);
goto err_irq_request;
diff --git a/drivers/rtc/rtc-meson-vrtc.c b/drivers/rtc/rtc-meson-vrtc.c
index e6bd0808a092..1463c8621561 100644
--- a/drivers/rtc/rtc-meson-vrtc.c
+++ b/drivers/rtc/rtc-meson-vrtc.c
@@ -83,7 +83,7 @@ static int meson_vrtc_probe(struct platform_device *pdev)
return PTR_ERR(vrtc->rtc);
vrtc->rtc->ops = &meson_vrtc_ops;
- return rtc_register_device(vrtc->rtc);
+ return devm_rtc_register_device(vrtc->rtc);
}
static int __maybe_unused meson_vrtc_suspend(struct device *dev)
diff --git a/drivers/rtc/rtc-meson.c b/drivers/rtc/rtc-meson.c
index 47ebcf834cc2..8642c06565ea 100644
--- a/drivers/rtc/rtc-meson.c
+++ b/drivers/rtc/rtc-meson.c
@@ -365,11 +365,11 @@ static int meson_rtc_probe(struct platform_device *pdev)
}
meson_rtc_nvmem_config.priv = rtc;
- ret = rtc_nvmem_register(rtc->rtc, &meson_rtc_nvmem_config);
+ ret = devm_rtc_nvmem_register(rtc->rtc, &meson_rtc_nvmem_config);
if (ret)
goto out_disable_vdd;
- ret = rtc_register_device(rtc->rtc);
+ ret = devm_rtc_register_device(rtc->rtc);
if (ret)
goto out_disable_vdd;
diff --git a/drivers/rtc/rtc-mpc5121.c b/drivers/rtc/rtc-mpc5121.c
index 5c2ce71aa044..bb2ea9bc56f2 100644
--- a/drivers/rtc/rtc-mpc5121.c
+++ b/drivers/rtc/rtc-mpc5121.c
@@ -371,7 +371,7 @@ static int mpc5121_rtc_probe(struct platform_device *op)
rtc->rtc->range_max = U32_MAX;
}
- err = rtc_register_device(rtc->rtc);
+ err = devm_rtc_register_device(rtc->rtc);
if (err)
goto out_dispose2;
diff --git a/drivers/rtc/rtc-mrst.c b/drivers/rtc/rtc-mrst.c
index 17bf5394e1e5..421b3b6071b6 100644
--- a/drivers/rtc/rtc-mrst.c
+++ b/drivers/rtc/rtc-mrst.c
@@ -361,7 +361,7 @@ static int vrtc_mrst_do_probe(struct device *dev, struct resource *iomem,
}
}
- retval = rtc_register_device(mrst_rtc.rtc);
+ retval = devm_rtc_register_device(mrst_rtc.rtc);
if (retval)
goto cleanup0;
diff --git a/drivers/rtc/rtc-mt2712.c b/drivers/rtc/rtc-mt2712.c
index d5f691c8a035..cd92a9788351 100644
--- a/drivers/rtc/rtc-mt2712.c
+++ b/drivers/rtc/rtc-mt2712.c
@@ -352,7 +352,7 @@ static int mt2712_rtc_probe(struct platform_device *pdev)
mt2712_rtc->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
mt2712_rtc->rtc->range_max = MT2712_RTC_TIMESTAMP_END_2127;
- return rtc_register_device(mt2712_rtc->rtc);
+ return devm_rtc_register_device(mt2712_rtc->rtc);
}
#ifdef CONFIG_PM_SLEEP
diff --git a/drivers/rtc/rtc-mt6397.c b/drivers/rtc/rtc-mt6397.c
index 1894aded4c85..6655035e5164 100644
--- a/drivers/rtc/rtc-mt6397.c
+++ b/drivers/rtc/rtc-mt6397.c
@@ -301,7 +301,7 @@ static int mtk_rtc_probe(struct platform_device *pdev)
rtc->rtc_dev->ops = &mtk_rtc_ops;
- return rtc_register_device(rtc->rtc_dev);
+ return devm_rtc_register_device(rtc->rtc_dev);
}
#ifdef CONFIG_PM_SLEEP
diff --git a/drivers/rtc/rtc-mv.c b/drivers/rtc/rtc-mv.c
index d5f190e578e4..f8e2ecea1d8d 100644
--- a/drivers/rtc/rtc-mv.c
+++ b/drivers/rtc/rtc-mv.c
@@ -278,7 +278,7 @@ static int __init mv_rtc_probe(struct platform_device *pdev)
pdata->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
pdata->rtc->range_max = RTC_TIMESTAMP_END_2099;
- ret = rtc_register_device(pdata->rtc);
+ ret = devm_rtc_register_device(pdata->rtc);
if (!ret)
return 0;
out:
diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c
index a8cfbde048f4..65b29b0fa548 100644
--- a/drivers/rtc/rtc-mxc.c
+++ b/drivers/rtc/rtc-mxc.c
@@ -70,27 +70,12 @@ struct rtc_plat_data {
enum imx_rtc_type devtype;
};
-static const struct platform_device_id imx_rtc_devtype[] = {
- {
- .name = "imx1-rtc",
- .driver_data = IMX1_RTC,
- }, {
- .name = "imx21-rtc",
- .driver_data = IMX21_RTC,
- }, {
- /* sentinel */
- }
-};
-MODULE_DEVICE_TABLE(platform, imx_rtc_devtype);
-
-#ifdef CONFIG_OF
static const struct of_device_id imx_rtc_dt_ids[] = {
{ .compatible = "fsl,imx1-rtc", .data = (const void *)IMX1_RTC },
{ .compatible = "fsl,imx21-rtc", .data = (const void *)IMX21_RTC },
{}
};
MODULE_DEVICE_TABLE(of, imx_rtc_dt_ids);
-#endif
static inline int is_imx1_rtc(struct rtc_plat_data *data)
{
@@ -322,17 +307,12 @@ static int mxc_rtc_probe(struct platform_device *pdev)
u32 reg;
unsigned long rate;
int ret;
- const struct of_device_id *of_id;
pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return -ENOMEM;
- of_id = of_match_device(imx_rtc_dt_ids, &pdev->dev);
- if (of_id)
- pdata->devtype = (enum imx_rtc_type)of_id->data;
- else
- pdata->devtype = pdev->id_entry->driver_data;
+ pdata->devtype = (enum imx_rtc_type)of_device_get_match_data(&pdev->dev);
pdata->ioaddr = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(pdata->ioaddr))
@@ -428,7 +408,7 @@ static int mxc_rtc_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "failed to enable irq wake\n");
}
- ret = rtc_register_device(rtc);
+ ret = devm_rtc_register_device(rtc);
return ret;
}
@@ -438,7 +418,6 @@ static struct platform_driver mxc_rtc_driver = {
.name = "mxc_rtc",
.of_match_table = of_match_ptr(imx_rtc_dt_ids),
},
- .id_table = imx_rtc_devtype,
.probe = mxc_rtc_probe,
};
diff --git a/drivers/rtc/rtc-mxc_v2.c b/drivers/rtc/rtc-mxc_v2.c
index 91534560fe2a..0d73f6f0cf9e 100644
--- a/drivers/rtc/rtc-mxc_v2.c
+++ b/drivers/rtc/rtc-mxc_v2.c
@@ -354,7 +354,7 @@ static int mxc_rtc_probe(struct platform_device *pdev)
return ret;
}
- ret = rtc_register_device(pdata->rtc);
+ ret = devm_rtc_register_device(pdata->rtc);
if (ret < 0)
clk_unprepare(pdata->clk);
diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c
index c20fc7937dfa..dc7db2477f88 100644
--- a/drivers/rtc/rtc-omap.c
+++ b/drivers/rtc/rtc-omap.c
@@ -879,18 +879,18 @@ static int omap_rtc_probe(struct platform_device *pdev)
/* Support ext_wakeup pinconf */
rtc_pinctrl_desc.name = dev_name(&pdev->dev);
- rtc->pctldev = pinctrl_register(&rtc_pinctrl_desc, &pdev->dev, rtc);
+ rtc->pctldev = devm_pinctrl_register(&pdev->dev, &rtc_pinctrl_desc, rtc);
if (IS_ERR(rtc->pctldev)) {
dev_err(&pdev->dev, "Couldn't register pinctrl driver\n");
ret = PTR_ERR(rtc->pctldev);
goto err;
}
- ret = rtc_register_device(rtc->rtc);
+ ret = devm_rtc_register_device(rtc->rtc);
if (ret)
- goto err_deregister_pinctrl;
+ goto err;
- rtc_nvmem_register(rtc->rtc, &omap_rtc_nvmem_config);
+ devm_rtc_nvmem_register(rtc->rtc, &omap_rtc_nvmem_config);
if (rtc->is_pmic_controller) {
if (!pm_power_off) {
@@ -901,8 +901,6 @@ static int omap_rtc_probe(struct platform_device *pdev)
return 0;
-err_deregister_pinctrl:
- pinctrl_unregister(rtc->pctldev);
err:
clk_disable_unprepare(rtc->clk);
device_init_wakeup(&pdev->dev, false);
@@ -945,9 +943,6 @@ static int omap_rtc_remove(struct platform_device *pdev)
pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
- /* Remove ext_wakeup pinconf */
- pinctrl_unregister(rtc->pctldev);
-
return 0;
}
diff --git a/drivers/rtc/rtc-pcap.c b/drivers/rtc/rtc-pcap.c
index 178bfb1dea21..8c7a98a5452c 100644
--- a/drivers/rtc/rtc-pcap.c
+++ b/drivers/rtc/rtc-pcap.c
@@ -163,7 +163,7 @@ static int __init pcap_rtc_probe(struct platform_device *pdev)
if (err)
return err;
- return rtc_register_device(pcap_rtc->rtc);
+ return devm_rtc_register_device(pcap_rtc->rtc);
}
static int __exit pcap_rtc_remove(struct platform_device *pdev)
diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c
index c3691fa4210e..534ffc91eec1 100644
--- a/drivers/rtc/rtc-pcf2123.c
+++ b/drivers/rtc/rtc-pcf2123.c
@@ -434,7 +434,7 @@ static int pcf2123_probe(struct spi_device *spi)
rtc->range_max = RTC_TIMESTAMP_END_2099;
rtc->set_start_time = true;
- ret = rtc_register_device(rtc);
+ ret = devm_rtc_register_device(rtc);
if (ret)
return ret;
diff --git a/drivers/rtc/rtc-pcf2127.c b/drivers/rtc/rtc-pcf2127.c
index 07a5630ec841..39a7b5116aa4 100644
--- a/drivers/rtc/rtc-pcf2127.c
+++ b/drivers/rtc/rtc-pcf2127.c
@@ -243,10 +243,8 @@ static int pcf2127_nvmem_read(void *priv, unsigned int offset,
if (ret)
return ret;
- ret = regmap_bulk_read(pcf2127->regmap, PCF2127_REG_RAM_RD_CMD,
- val, bytes);
-
- return ret ?: bytes;
+ return regmap_bulk_read(pcf2127->regmap, PCF2127_REG_RAM_RD_CMD,
+ val, bytes);
}
static int pcf2127_nvmem_write(void *priv, unsigned int offset,
@@ -261,10 +259,8 @@ static int pcf2127_nvmem_write(void *priv, unsigned int offset,
if (ret)
return ret;
- ret = regmap_bulk_write(pcf2127->regmap, PCF2127_REG_RAM_WRT_CMD,
- val, bytes);
-
- return ret ?: bytes;
+ return regmap_bulk_write(pcf2127->regmap, PCF2127_REG_RAM_WRT_CMD,
+ val, bytes);
}
/* watchdog driver */
@@ -335,6 +331,37 @@ static const struct watchdog_ops pcf2127_watchdog_ops = {
.set_timeout = pcf2127_wdt_set_timeout,
};
+static int pcf2127_watchdog_init(struct device *dev, struct pcf2127 *pcf2127)
+{
+ u32 wdd_timeout;
+ int ret;
+
+ if (!IS_ENABLED(CONFIG_WATCHDOG) ||
+ !device_property_read_bool(dev, "reset-source"))
+ return 0;
+
+ pcf2127->wdd.parent = dev;
+ pcf2127->wdd.info = &pcf2127_wdt_info;
+ pcf2127->wdd.ops = &pcf2127_watchdog_ops;
+ pcf2127->wdd.min_timeout = PCF2127_WD_VAL_MIN;
+ pcf2127->wdd.max_timeout = PCF2127_WD_VAL_MAX;
+ pcf2127->wdd.timeout = PCF2127_WD_VAL_DEFAULT;
+ pcf2127->wdd.min_hw_heartbeat_ms = 500;
+ pcf2127->wdd.status = WATCHDOG_NOWAYOUT_INIT_STATUS;
+
+ watchdog_set_drvdata(&pcf2127->wdd, pcf2127);
+
+ /* Test if watchdog timer is started by bootloader */
+ ret = regmap_read(pcf2127->regmap, PCF2127_REG_WD_VAL, &wdd_timeout);
+ if (ret)
+ return ret;
+
+ if (wdd_timeout)
+ set_bit(WDOG_HW_RUNNING, &pcf2127->wdd.status);
+
+ return devm_watchdog_register_device(dev, &pcf2127->wdd);
+}
+
/* Alarm */
static int pcf2127_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{
@@ -536,7 +563,6 @@ static int pcf2127_probe(struct device *dev, struct regmap *regmap,
int alarm_irq, const char *name, bool has_nvmem)
{
struct pcf2127 *pcf2127;
- u32 wdd_timeout;
int ret = 0;
dev_dbg(dev, "%s\n", __func__);
@@ -575,17 +601,6 @@ static int pcf2127_probe(struct device *dev, struct regmap *regmap,
pcf2127->rtc->ops = &pcf2127_rtc_alrm_ops;
}
- pcf2127->wdd.parent = dev;
- pcf2127->wdd.info = &pcf2127_wdt_info;
- pcf2127->wdd.ops = &pcf2127_watchdog_ops;
- pcf2127->wdd.min_timeout = PCF2127_WD_VAL_MIN;
- pcf2127->wdd.max_timeout = PCF2127_WD_VAL_MAX;
- pcf2127->wdd.timeout = PCF2127_WD_VAL_DEFAULT;
- pcf2127->wdd.min_hw_heartbeat_ms = 500;
- pcf2127->wdd.status = WATCHDOG_NOWAYOUT_INIT_STATUS;
-
- watchdog_set_drvdata(&pcf2127->wdd, pcf2127);
-
if (has_nvmem) {
struct nvmem_config nvmem_cfg = {
.priv = pcf2127,
@@ -594,7 +609,7 @@ static int pcf2127_probe(struct device *dev, struct regmap *regmap,
.size = 512,
};
- ret = rtc_nvmem_register(pcf2127->rtc, &nvmem_cfg);
+ ret = devm_rtc_nvmem_register(pcf2127->rtc, &nvmem_cfg);
}
/*
@@ -615,19 +630,7 @@ static int pcf2127_probe(struct device *dev, struct regmap *regmap,
return ret;
}
- /* Test if watchdog timer is started by bootloader */
- ret = regmap_read(pcf2127->regmap, PCF2127_REG_WD_VAL, &wdd_timeout);
- if (ret)
- return ret;
-
- if (wdd_timeout)
- set_bit(WDOG_HW_RUNNING, &pcf2127->wdd.status);
-
-#ifdef CONFIG_WATCHDOG
- ret = devm_watchdog_register_device(dev, &pcf2127->wdd);
- if (ret)
- return ret;
-#endif /* CONFIG_WATCHDOG */
+ pcf2127_watchdog_init(dev, pcf2127);
/*
* Disable battery low/switch-over timestamp and interrupts.
@@ -680,7 +683,7 @@ static int pcf2127_probe(struct device *dev, struct regmap *regmap,
return ret;
}
- return rtc_register_device(pcf2127->rtc);
+ return devm_rtc_register_device(pcf2127->rtc);
}
#ifdef CONFIG_OF
diff --git a/drivers/rtc/rtc-pcf85063.c b/drivers/rtc/rtc-pcf85063.c
index f8b99cb72959..e19cf2adbc35 100644
--- a/drivers/rtc/rtc-pcf85063.c
+++ b/drivers/rtc/rtc-pcf85063.c
@@ -607,14 +607,14 @@ static int pcf85063_probe(struct i2c_client *client)
}
nvmem_cfg.priv = pcf85063->regmap;
- rtc_nvmem_register(pcf85063->rtc, &nvmem_cfg);
+ devm_rtc_nvmem_register(pcf85063->rtc, &nvmem_cfg);
#ifdef CONFIG_COMMON_CLK
/* register clk in common clk framework */
pcf85063_clkout_register_clk(pcf85063);
#endif
- return rtc_register_device(pcf85063->rtc);
+ return devm_rtc_register_device(pcf85063->rtc);
}
#ifdef CONFIG_OF
diff --git a/drivers/rtc/rtc-pcf8523.c b/drivers/rtc/rtc-pcf8523.c
index 57d351dfe272..5e1e7b2a8c9a 100644
--- a/drivers/rtc/rtc-pcf8523.c
+++ b/drivers/rtc/rtc-pcf8523.c
@@ -12,18 +12,18 @@
#define DRIVER_NAME "rtc-pcf8523"
#define REG_CONTROL1 0x00
-#define REG_CONTROL1_CAP_SEL (1 << 7)
-#define REG_CONTROL1_STOP (1 << 5)
+#define REG_CONTROL1_CAP_SEL BIT(7)
+#define REG_CONTROL1_STOP BIT(5)
#define REG_CONTROL3 0x02
-#define REG_CONTROL3_PM_BLD (1 << 7) /* battery low detection disabled */
-#define REG_CONTROL3_PM_VDD (1 << 6) /* switch-over disabled */
-#define REG_CONTROL3_PM_DSM (1 << 5) /* direct switching mode */
+#define REG_CONTROL3_PM_BLD BIT(7) /* battery low detection disabled */
+#define REG_CONTROL3_PM_VDD BIT(6) /* switch-over disabled */
+#define REG_CONTROL3_PM_DSM BIT(5) /* direct switching mode */
#define REG_CONTROL3_PM_MASK 0xe0
-#define REG_CONTROL3_BLF (1 << 2) /* battery low bit, read-only */
+#define REG_CONTROL3_BLF BIT(2) /* battery low bit, read-only */
#define REG_SECONDS 0x03
-#define REG_SECONDS_OS (1 << 7)
+#define REG_SECONDS_OS BIT(7)
#define REG_MINUTES 0x04
#define REG_HOURS 0x05
@@ -226,17 +226,6 @@ static int pcf8523_rtc_set_time(struct device *dev, struct rtc_time *tm)
u8 regs[8];
int err;
- /*
- * The hardware can only store values between 0 and 99 in it's YEAR
- * register (with 99 overflowing to 0 on increment).
- * After 2100-02-28 we could start interpreting the year to be in the
- * interval [2100, 2199], but there is no path to switch in a smooth way
- * because the chip handles YEAR=0x00 (and the out-of-spec
- * YEAR=0xa0) as a leap year, but 2100 isn't.
- */
- if (tm->tm_year < 100 || tm->tm_year >= 200)
- return -EINVAL;
-
err = pcf8523_stop_rtc(client);
if (err < 0)
return err;
@@ -356,12 +345,15 @@ static int pcf8523_probe(struct i2c_client *client,
if (err < 0)
return err;
- rtc = devm_rtc_device_register(&client->dev, DRIVER_NAME,
- &pcf8523_rtc_ops, THIS_MODULE);
+ rtc = devm_rtc_allocate_device(&client->dev);
if (IS_ERR(rtc))
return PTR_ERR(rtc);
- return 0;
+ rtc->ops = &pcf8523_rtc_ops;
+ rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
+ rtc->range_max = RTC_TIMESTAMP_END_2099;
+
+ return devm_rtc_register_device(rtc);
}
static const struct i2c_device_id pcf8523_id[] = {
diff --git a/drivers/rtc/rtc-pcf85363.c b/drivers/rtc/rtc-pcf85363.c
index 3450d615974d..a574c8d15a5c 100644
--- a/drivers/rtc/rtc-pcf85363.c
+++ b/drivers/rtc/rtc-pcf85363.c
@@ -418,11 +418,11 @@ static int pcf85363_probe(struct i2c_client *client,
pcf85363->rtc->ops = &rtc_ops_alarm;
}
- ret = rtc_register_device(pcf85363->rtc);
+ ret = devm_rtc_register_device(pcf85363->rtc);
for (i = 0; i < config->num_nvram; i++) {
nvmem_cfg[i].priv = pcf85363;
- rtc_nvmem_register(pcf85363->rtc, &nvmem_cfg[i]);
+ devm_rtc_nvmem_register(pcf85363->rtc, &nvmem_cfg[i]);
}
return ret;
diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c
index 2dc30eafa639..de3e6c355f2e 100644
--- a/drivers/rtc/rtc-pcf8563.c
+++ b/drivers/rtc/rtc-pcf8563.c
@@ -582,7 +582,7 @@ static int pcf8563_probe(struct i2c_client *client,
}
}
- err = rtc_register_device(pcf8563->rtc);
+ err = devm_rtc_register_device(pcf8563->rtc);
if (err)
return err;
diff --git a/drivers/rtc/rtc-pic32.c b/drivers/rtc/rtc-pic32.c
index 2b6946744654..7fb9145c43bd 100644
--- a/drivers/rtc/rtc-pic32.c
+++ b/drivers/rtc/rtc-pic32.c
@@ -338,7 +338,7 @@ static int pic32_rtc_probe(struct platform_device *pdev)
pdata->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
pdata->rtc->range_max = RTC_TIMESTAMP_END_2099;
- ret = rtc_register_device(pdata->rtc);
+ ret = devm_rtc_register_device(pdata->rtc);
if (ret)
goto err_nortc;
diff --git a/drivers/rtc/rtc-pl030.c b/drivers/rtc/rtc-pl030.c
index ebe03eba8f5f..5a880516f3e8 100644
--- a/drivers/rtc/rtc-pl030.c
+++ b/drivers/rtc/rtc-pl030.c
@@ -121,7 +121,7 @@ static int pl030_probe(struct amba_device *dev, const struct amba_id *id)
if (ret)
goto err_irq;
- ret = rtc_register_device(rtc->rtc);
+ ret = devm_rtc_register_device(rtc->rtc);
if (ret)
goto err_reg;
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index c6b89273feba..224bbf096262 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -361,14 +361,16 @@ static int pl031_probe(struct amba_device *adev, const struct amba_id *id)
device_init_wakeup(&adev->dev, true);
ldata->rtc = devm_rtc_allocate_device(&adev->dev);
- if (IS_ERR(ldata->rtc))
- return PTR_ERR(ldata->rtc);
+ if (IS_ERR(ldata->rtc)) {
+ ret = PTR_ERR(ldata->rtc);
+ goto out;
+ }
ldata->rtc->ops = ops;
ldata->rtc->range_min = vendor->range_min;
ldata->rtc->range_max = vendor->range_max;
- ret = rtc_register_device(ldata->rtc);
+ ret = devm_rtc_register_device(ldata->rtc);
if (ret)
goto out;
diff --git a/drivers/rtc/rtc-pm8xxx.c b/drivers/rtc/rtc-pm8xxx.c
index b45ee2cb2c04..0d9dd6faabba 100644
--- a/drivers/rtc/rtc-pm8xxx.c
+++ b/drivers/rtc/rtc-pm8xxx.c
@@ -508,7 +508,7 @@ static int pm8xxx_rtc_probe(struct platform_device *pdev)
return rc;
}
- return rtc_register_device(rtc_dd->rtc);
+ return devm_rtc_register_device(rtc_dd->rtc);
}
#ifdef CONFIG_PM_SLEEP
diff --git a/drivers/rtc/rtc-ps3.c b/drivers/rtc/rtc-ps3.c
index f0336d691e6c..6b098734c715 100644
--- a/drivers/rtc/rtc-ps3.c
+++ b/drivers/rtc/rtc-ps3.c
@@ -56,7 +56,7 @@ static int __init ps3_rtc_probe(struct platform_device *dev)
platform_set_drvdata(dev, rtc);
- return rtc_register_device(rtc);
+ return devm_rtc_register_device(rtc);
}
static struct platform_driver ps3_rtc_driver = {
diff --git a/drivers/rtc/rtc-r9701.c b/drivers/rtc/rtc-r9701.c
index 7ceb968f0e44..60a3c3d7499b 100644
--- a/drivers/rtc/rtc-r9701.c
+++ b/drivers/rtc/rtc-r9701.c
@@ -127,7 +127,7 @@ static int r9701_probe(struct spi_device *spi)
rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
rtc->range_max = RTC_TIMESTAMP_END_2099;
- return rtc_register_device(rtc);
+ return devm_rtc_register_device(rtc);
}
static struct spi_driver r9701_driver = {
diff --git a/drivers/rtc/rtc-rc5t619.c b/drivers/rtc/rtc-rc5t619.c
index dd1a20977478..e73102a39f1b 100644
--- a/drivers/rtc/rtc-rc5t619.c
+++ b/drivers/rtc/rtc-rc5t619.c
@@ -426,7 +426,7 @@ static int rc5t619_rtc_probe(struct platform_device *pdev)
dev_warn(&pdev->dev, "rc5t619 interrupt is disabled\n");
}
- return rtc_register_device(rtc->rtc);
+ return devm_rtc_register_device(rtc->rtc);
}
static struct platform_driver rc5t619_rtc_driver = {
diff --git a/drivers/rtc/rtc-rk808.c b/drivers/rtc/rtc-rk808.c
index c0334c602e88..e920da8c08da 100644
--- a/drivers/rtc/rtc-rk808.c
+++ b/drivers/rtc/rtc-rk808.c
@@ -447,7 +447,7 @@ static int rk808_rtc_probe(struct platform_device *pdev)
return ret;
}
- return rtc_register_device(rk808_rtc->rtc);
+ return devm_rtc_register_device(rk808_rtc->rtc);
}
static struct platform_driver rk808_rtc_driver = {
diff --git a/drivers/rtc/rtc-rp5c01.c b/drivers/rtc/rtc-rp5c01.c
index 8776eadbdd3a..44afa6d996e7 100644
--- a/drivers/rtc/rtc-rp5c01.c
+++ b/drivers/rtc/rtc-rp5c01.c
@@ -251,16 +251,15 @@ static int __init rp5c01_rtc_probe(struct platform_device *dev)
return PTR_ERR(rtc);
rtc->ops = &rp5c01_rtc_ops;
- rtc->nvram_old_abi = true;
priv->rtc = rtc;
nvmem_cfg.priv = priv;
- error = rtc_nvmem_register(rtc, &nvmem_cfg);
+ error = devm_rtc_nvmem_register(rtc, &nvmem_cfg);
if (error)
return error;
- return rtc_register_device(rtc);
+ return devm_rtc_register_device(rtc);
}
static struct platform_driver rp5c01_rtc_driver = {
diff --git a/drivers/rtc/rtc-rs5c348.c b/drivers/rtc/rtc-rs5c348.c
index 47c13678449e..fec633f80789 100644
--- a/drivers/rtc/rtc-rs5c348.c
+++ b/drivers/rtc/rtc-rs5c348.c
@@ -197,7 +197,7 @@ static int rs5c348_probe(struct spi_device *spi)
rtc->ops = &rs5c348_rtc_ops;
- return rtc_register_device(rtc);
+ return devm_rtc_register_device(rtc);
}
static struct spi_driver rs5c348_driver = {
diff --git a/drivers/rtc/rtc-rv3028.c b/drivers/rtc/rtc-rv3028.c
index fa226f0fe67d..979407a51c7a 100644
--- a/drivers/rtc/rtc-rv3028.c
+++ b/drivers/rtc/rtc-rv3028.c
@@ -886,14 +886,14 @@ static int rv3028_probe(struct i2c_client *client)
rv3028->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
rv3028->rtc->range_max = RTC_TIMESTAMP_END_2099;
rv3028->rtc->ops = &rv3028_rtc_ops;
- ret = rtc_register_device(rv3028->rtc);
+ ret = devm_rtc_register_device(rv3028->rtc);
if (ret)
return ret;
nvmem_cfg.priv = rv3028->regmap;
- rtc_nvmem_register(rv3028->rtc, &nvmem_cfg);
+ devm_rtc_nvmem_register(rv3028->rtc, &nvmem_cfg);
eeprom_cfg.priv = rv3028;
- rtc_nvmem_register(rv3028->rtc, &eeprom_cfg);
+ devm_rtc_nvmem_register(rv3028->rtc, &eeprom_cfg);
rv3028->rtc->max_user_freq = 1;
diff --git a/drivers/rtc/rtc-rv3029c2.c b/drivers/rtc/rtc-rv3029c2.c
index 62718231731b..dc1bda62095e 100644
--- a/drivers/rtc/rtc-rv3029c2.c
+++ b/drivers/rtc/rtc-rv3029c2.c
@@ -750,12 +750,12 @@ static int rv3029_probe(struct device *dev, struct regmap *regmap, int irq,
rv3029->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
rv3029->rtc->range_max = RTC_TIMESTAMP_END_2079;
- rc = rtc_register_device(rv3029->rtc);
+ rc = devm_rtc_register_device(rv3029->rtc);
if (rc)
return rc;
nvmem_cfg.priv = rv3029->regmap;
- rtc_nvmem_register(rv3029->rtc, &nvmem_cfg);
+ devm_rtc_nvmem_register(rv3029->rtc, &nvmem_cfg);
return 0;
}
diff --git a/drivers/rtc/rtc-rv3032.c b/drivers/rtc/rtc-rv3032.c
index 3e67f71f4261..c9bcea727757 100644
--- a/drivers/rtc/rtc-rv3032.c
+++ b/drivers/rtc/rtc-rv3032.c
@@ -885,14 +885,14 @@ static int rv3032_probe(struct i2c_client *client)
rv3032->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
rv3032->rtc->range_max = RTC_TIMESTAMP_END_2099;
rv3032->rtc->ops = &rv3032_rtc_ops;
- ret = rtc_register_device(rv3032->rtc);
+ ret = devm_rtc_register_device(rv3032->rtc);
if (ret)
return ret;
- nvmem_cfg.priv = rv3032;
- rtc_nvmem_register(rv3032->rtc, &nvmem_cfg);
+ nvmem_cfg.priv = rv3032->regmap;
+ devm_rtc_nvmem_register(rv3032->rtc, &nvmem_cfg);
eeprom_cfg.priv = rv3032;
- rtc_nvmem_register(rv3032->rtc, &eeprom_cfg);
+ devm_rtc_nvmem_register(rv3032->rtc, &eeprom_cfg);
rv3032->rtc->max_user_freq = 1;
diff --git a/drivers/rtc/rtc-rv8803.c b/drivers/rtc/rtc-rv8803.c
index c6d8e3425688..d4ea6db51b26 100644
--- a/drivers/rtc/rtc-rv8803.c
+++ b/drivers/rtc/rtc-rv8803.c
@@ -585,14 +585,13 @@ static int rv8803_probe(struct i2c_client *client,
}
rv8803->rtc->ops = &rv8803_rtc_ops;
- rv8803->rtc->nvram_old_abi = true;
rv8803->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
rv8803->rtc->range_max = RTC_TIMESTAMP_END_2099;
- err = rtc_register_device(rv8803->rtc);
+ err = devm_rtc_register_device(rv8803->rtc);
if (err)
return err;
- rtc_nvmem_register(rv8803->rtc, &nvmem_cfg);
+ devm_rtc_nvmem_register(rv8803->rtc, &nvmem_cfg);
rv8803->rtc->max_user_freq = 1;
diff --git a/drivers/rtc/rtc-rx6110.c b/drivers/rtc/rtc-rx6110.c
index 3a9eb7043f01..a7b671a21022 100644
--- a/drivers/rtc/rtc-rx6110.c
+++ b/drivers/rtc/rtc-rx6110.c
@@ -16,6 +16,7 @@
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/spi/spi.h>
+#include <linux/i2c.h>
/* RX-6110 Register definitions */
#define RX6110_REG_SEC 0x10
@@ -310,6 +311,27 @@ static const struct rtc_class_ops rx6110_rtc_ops = {
.set_time = rx6110_set_time,
};
+static int rx6110_probe(struct rx6110_data *rx6110, struct device *dev)
+{
+ int err;
+
+ rx6110->rtc = devm_rtc_device_register(dev,
+ RX6110_DRIVER_NAME,
+ &rx6110_rtc_ops, THIS_MODULE);
+
+ if (IS_ERR(rx6110->rtc))
+ return PTR_ERR(rx6110->rtc);
+
+ err = rx6110_init(rx6110);
+ if (err)
+ return err;
+
+ rx6110->rtc->max_user_freq = 1;
+
+ return 0;
+}
+
+#ifdef CONFIG_SPI_MASTER
static struct regmap_config regmap_spi_config = {
.reg_bits = 8,
.val_bits = 8,
@@ -318,13 +340,12 @@ static struct regmap_config regmap_spi_config = {
};
/**
- * rx6110_probe - initialize rtc driver
+ * rx6110_spi_probe - initialize rtc driver
* @spi: pointer to spi device
*/
-static int rx6110_probe(struct spi_device *spi)
+static int rx6110_spi_probe(struct spi_device *spi)
{
struct rx6110_data *rx6110;
- int err;
if ((spi->bits_per_word && spi->bits_per_word != 8) ||
(spi->max_speed_hz > 2000000) ||
@@ -346,27 +367,14 @@ static int rx6110_probe(struct spi_device *spi)
spi_set_drvdata(spi, rx6110);
- rx6110->rtc = devm_rtc_device_register(&spi->dev,
- RX6110_DRIVER_NAME,
- &rx6110_rtc_ops, THIS_MODULE);
-
- if (IS_ERR(rx6110->rtc))
- return PTR_ERR(rx6110->rtc);
-
- err = rx6110_init(rx6110);
- if (err)
- return err;
-
- rx6110->rtc->max_user_freq = 1;
-
- return 0;
+ return rx6110_probe(rx6110, &spi->dev);
}
-static const struct spi_device_id rx6110_id[] = {
+static const struct spi_device_id rx6110_spi_id[] = {
{ "rx6110", 0 },
{ }
};
-MODULE_DEVICE_TABLE(spi, rx6110_id);
+MODULE_DEVICE_TABLE(spi, rx6110_spi_id);
static const struct of_device_id rx6110_spi_of_match[] = {
{ .compatible = "epson,rx6110" },
@@ -374,16 +382,127 @@ static const struct of_device_id rx6110_spi_of_match[] = {
};
MODULE_DEVICE_TABLE(of, rx6110_spi_of_match);
-static struct spi_driver rx6110_driver = {
+static struct spi_driver rx6110_spi_driver = {
.driver = {
.name = RX6110_DRIVER_NAME,
.of_match_table = of_match_ptr(rx6110_spi_of_match),
},
- .probe = rx6110_probe,
- .id_table = rx6110_id,
+ .probe = rx6110_spi_probe,
+ .id_table = rx6110_spi_id,
+};
+
+static int rx6110_spi_register(void)
+{
+ return spi_register_driver(&rx6110_spi_driver);
+}
+
+static void rx6110_spi_unregister(void)
+{
+ spi_unregister_driver(&rx6110_spi_driver);
+}
+#else
+static int rx6110_spi_register(void)
+{
+ return 0;
+}
+
+static void rx6110_spi_unregister(void)
+{
+}
+#endif /* CONFIG_SPI_MASTER */
+
+#ifdef CONFIG_I2C
+static struct regmap_config regmap_i2c_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = RX6110_REG_IRQ,
+ .read_flag_mask = 0x80,
};
-module_spi_driver(rx6110_driver);
+static int rx6110_i2c_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
+ struct rx6110_data *rx6110;
+
+ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA
+ | I2C_FUNC_SMBUS_I2C_BLOCK)) {
+ dev_err(&adapter->dev,
+ "doesn't support required functionality\n");
+ return -EIO;
+ }
+
+ rx6110 = devm_kzalloc(&client->dev, sizeof(*rx6110), GFP_KERNEL);
+ if (!rx6110)
+ return -ENOMEM;
+
+ rx6110->regmap = devm_regmap_init_i2c(client, &regmap_i2c_config);
+ if (IS_ERR(rx6110->regmap)) {
+ dev_err(&client->dev, "regmap init failed for rtc rx6110\n");
+ return PTR_ERR(rx6110->regmap);
+ }
+
+ i2c_set_clientdata(client, rx6110);
+
+ return rx6110_probe(rx6110, &client->dev);
+}
+
+static const struct i2c_device_id rx6110_i2c_id[] = {
+ { "rx6110", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, rx6110_i2c_id);
+
+static struct i2c_driver rx6110_i2c_driver = {
+ .driver = {
+ .name = RX6110_DRIVER_NAME,
+ },
+ .probe = rx6110_i2c_probe,
+ .id_table = rx6110_i2c_id,
+};
+
+static int rx6110_i2c_register(void)
+{
+ return i2c_add_driver(&rx6110_i2c_driver);
+}
+
+static void rx6110_i2c_unregister(void)
+{
+ i2c_del_driver(&rx6110_i2c_driver);
+}
+#else
+static int rx6110_i2c_register(void)
+{
+ return 0;
+}
+
+static void rx6110_i2c_unregister(void)
+{
+}
+#endif /* CONFIG_I2C */
+
+static int __init rx6110_module_init(void)
+{
+ int ret;
+
+ ret = rx6110_spi_register();
+ if (ret)
+ return ret;
+
+ ret = rx6110_i2c_register();
+ if (ret)
+ rx6110_spi_unregister();
+
+ return ret;
+}
+module_init(rx6110_module_init);
+
+static void __exit rx6110_module_exit(void)
+{
+ rx6110_spi_unregister();
+ rx6110_i2c_unregister();
+}
+module_exit(rx6110_module_exit);
MODULE_AUTHOR("Val Krutov <val.krutov@erd.epson.com>");
MODULE_DESCRIPTION("RX-6110 SA RTC driver");
diff --git a/drivers/rtc/rtc-rx8010.c b/drivers/rtc/rtc-rx8010.c
index dca41a2a39b2..8340ab47a059 100644
--- a/drivers/rtc/rtc-rx8010.c
+++ b/drivers/rtc/rtc-rx8010.c
@@ -419,7 +419,7 @@ static int rx8010_probe(struct i2c_client *client)
rx8010->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
rx8010->rtc->range_max = RTC_TIMESTAMP_END_2099;
- return rtc_register_device(rx8010->rtc);
+ return devm_rtc_register_device(rx8010->rtc);
}
static struct i2c_driver rx8010_driver = {
diff --git a/drivers/rtc/rtc-rx8581.c b/drivers/rtc/rtc-rx8581.c
index 490f70f57636..de109139529b 100644
--- a/drivers/rtc/rtc-rx8581.c
+++ b/drivers/rtc/rtc-rx8581.c
@@ -298,11 +298,11 @@ static int rx8581_probe(struct i2c_client *client,
rx8581->rtc->start_secs = 0;
rx8581->rtc->set_start_time = true;
- ret = rtc_register_device(rx8581->rtc);
+ ret = devm_rtc_register_device(rx8581->rtc);
for (i = 0; i < config->num_nvram; i++) {
nvmem_cfg[i].priv = rx8581;
- rtc_nvmem_register(rx8581->rtc, &nvmem_cfg[i]);
+ devm_rtc_nvmem_register(rx8581->rtc, &nvmem_cfg[i]);
}
return ret;
diff --git a/drivers/rtc/rtc-s35390a.c b/drivers/rtc/rtc-s35390a.c
index 03672a246356..ea15d0392bb9 100644
--- a/drivers/rtc/rtc-s35390a.c
+++ b/drivers/rtc/rtc-s35390a.c
@@ -497,7 +497,7 @@ static int s35390a_probe(struct i2c_client *client,
if (status1 & S35390A_FLAG_INT2)
rtc_update_irq(s35390a->rtc, 1, RTC_AF);
- return rtc_register_device(s35390a->rtc);
+ return devm_rtc_register_device(s35390a->rtc);
}
static struct i2c_driver s35390a_driver = {
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index 24a41909f049..fab326ba9cec 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -42,26 +42,15 @@ struct s3c_rtc {
const struct s3c_rtc_data *data;
int irq_alarm;
- int irq_tick;
-
- spinlock_t pie_lock;
spinlock_t alarm_lock;
- int ticnt_save;
- int ticnt_en_save;
bool wake_en;
};
struct s3c_rtc_data {
- int max_user_freq;
bool needs_src_clk;
void (*irq_handler) (struct s3c_rtc *info, int mask);
- void (*set_freq) (struct s3c_rtc *info, int freq);
- void (*enable_tick) (struct s3c_rtc *info, struct seq_file *seq);
- void (*select_tick_clk) (struct s3c_rtc *info);
- void (*save_tick_cnt) (struct s3c_rtc *info);
- void (*restore_tick_cnt) (struct s3c_rtc *info);
void (*enable) (struct s3c_rtc *info);
void (*disable) (struct s3c_rtc *info);
};
@@ -91,17 +80,7 @@ static void s3c_rtc_disable_clk(struct s3c_rtc *info)
clk_disable(info->rtc_clk);
}
-/* IRQ Handlers */
-static irqreturn_t s3c_rtc_tickirq(int irq, void *id)
-{
- struct s3c_rtc *info = (struct s3c_rtc *)id;
-
- if (info->data->irq_handler)
- info->data->irq_handler(info, S3C2410_INTP_TIC);
-
- return IRQ_HANDLED;
-}
-
+/* IRQ Handler */
static irqreturn_t s3c_rtc_alarmirq(int irq, void *id)
{
struct s3c_rtc *info = (struct s3c_rtc *)id;
@@ -148,28 +127,6 @@ static int s3c_rtc_setaie(struct device *dev, unsigned int enabled)
return ret;
}
-/* Set RTC frequency */
-static int s3c_rtc_setfreq(struct s3c_rtc *info, int freq)
-{
- int ret;
-
- if (!is_power_of_2(freq))
- return -EINVAL;
-
- ret = s3c_rtc_enable_clk(info);
- if (ret)
- return ret;
- spin_lock_irq(&info->pie_lock);
-
- if (info->data->set_freq)
- info->data->set_freq(info, freq);
-
- spin_unlock_irq(&info->pie_lock);
- s3c_rtc_disable_clk(info);
-
- return 0;
-}
-
/* Time read/write */
static int s3c_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm)
{
@@ -348,29 +305,11 @@ static int s3c_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
return 0;
}
-static int s3c_rtc_proc(struct device *dev, struct seq_file *seq)
-{
- struct s3c_rtc *info = dev_get_drvdata(dev);
- int ret;
-
- ret = s3c_rtc_enable_clk(info);
- if (ret)
- return ret;
-
- if (info->data->enable_tick)
- info->data->enable_tick(info, seq);
-
- s3c_rtc_disable_clk(info);
-
- return 0;
-}
-
static const struct rtc_class_ops s3c_rtcops = {
.read_time = s3c_rtc_gettime,
.set_time = s3c_rtc_settime,
.read_alarm = s3c_rtc_getalarm,
.set_alarm = s3c_rtc_setalarm,
- .proc = s3c_rtc_proc,
.alarm_irq_enable = s3c_rtc_setaie,
};
@@ -450,18 +389,12 @@ static int s3c_rtc_probe(struct platform_device *pdev)
if (!info)
return -ENOMEM;
- /* find the IRQs */
- info->irq_tick = platform_get_irq(pdev, 1);
- if (info->irq_tick < 0)
- return info->irq_tick;
-
info->dev = &pdev->dev;
info->data = of_device_get_match_data(&pdev->dev);
if (!info->data) {
dev_err(&pdev->dev, "failed getting s3c_rtc_data\n");
return -EINVAL;
}
- spin_lock_init(&info->pie_lock);
spin_lock_init(&info->alarm_lock);
platform_set_drvdata(pdev, info);
@@ -470,8 +403,7 @@ static int s3c_rtc_probe(struct platform_device *pdev)
if (info->irq_alarm < 0)
return info->irq_alarm;
- dev_dbg(&pdev->dev, "s3c2410_rtc: tick irq %d, alarm irq %d\n",
- info->irq_tick, info->irq_alarm);
+ dev_dbg(&pdev->dev, "s3c2410_rtc: alarm irq %d\n", info->irq_alarm);
/* get the memory region */
info->base = devm_platform_ioremap_resource(pdev, 0);
@@ -503,6 +435,10 @@ static int s3c_rtc_probe(struct platform_device *pdev)
goto err_src_clk;
}
+ /* disable RTC enable bits potentially set by the bootloader */
+ if (info->data->disable)
+ info->data->disable(info);
+
/* check to see if everything is setup correctly */
if (info->data->enable)
info->data->enable(info);
@@ -542,18 +478,6 @@ static int s3c_rtc_probe(struct platform_device *pdev)
goto err_nortc;
}
- ret = devm_request_irq(&pdev->dev, info->irq_tick, s3c_rtc_tickirq,
- 0, "s3c2410-rtc tick", info);
- if (ret) {
- dev_err(&pdev->dev, "IRQ%d error %d\n", info->irq_tick, ret);
- goto err_nortc;
- }
-
- if (info->data->select_tick_clk)
- info->data->select_tick_clk(info);
-
- s3c_rtc_setfreq(info, 1);
-
s3c_rtc_disable_clk(info);
return 0;
@@ -581,10 +505,6 @@ static int s3c_rtc_suspend(struct device *dev)
if (ret)
return ret;
- /* save TICNT for anyone using periodic interrupts */
- if (info->data->save_tick_cnt)
- info->data->save_tick_cnt(info);
-
if (info->data->disable)
info->data->disable(info);
@@ -605,9 +525,6 @@ static int s3c_rtc_resume(struct device *dev)
if (info->data->enable)
info->data->enable(info);
- if (info->data->restore_tick_cnt)
- info->data->restore_tick_cnt(info);
-
s3c_rtc_disable_clk(info);
if (device_may_wakeup(dev) && info->wake_en) {
@@ -631,162 +548,27 @@ static void s3c6410_rtc_irq(struct s3c_rtc *info, int mask)
writeb(mask, info->base + S3C2410_INTP);
}
-static void s3c2410_rtc_setfreq(struct s3c_rtc *info, int freq)
-{
- unsigned int tmp = 0;
- int val;
-
- tmp = readb(info->base + S3C2410_TICNT);
- tmp &= S3C2410_TICNT_ENABLE;
-
- val = (info->rtc->max_user_freq / freq) - 1;
- tmp |= val;
-
- writel(tmp, info->base + S3C2410_TICNT);
-}
-
-static void s3c2416_rtc_setfreq(struct s3c_rtc *info, int freq)
-{
- unsigned int tmp = 0;
- int val;
-
- tmp = readb(info->base + S3C2410_TICNT);
- tmp &= S3C2410_TICNT_ENABLE;
-
- val = (info->rtc->max_user_freq / freq) - 1;
-
- tmp |= S3C2443_TICNT_PART(val);
- writel(S3C2443_TICNT1_PART(val), info->base + S3C2443_TICNT1);
-
- writel(S3C2416_TICNT2_PART(val), info->base + S3C2416_TICNT2);
-
- writel(tmp, info->base + S3C2410_TICNT);
-}
-
-static void s3c2443_rtc_setfreq(struct s3c_rtc *info, int freq)
-{
- unsigned int tmp = 0;
- int val;
-
- tmp = readb(info->base + S3C2410_TICNT);
- tmp &= S3C2410_TICNT_ENABLE;
-
- val = (info->rtc->max_user_freq / freq) - 1;
-
- tmp |= S3C2443_TICNT_PART(val);
- writel(S3C2443_TICNT1_PART(val), info->base + S3C2443_TICNT1);
-
- writel(tmp, info->base + S3C2410_TICNT);
-}
-
-static void s3c6410_rtc_setfreq(struct s3c_rtc *info, int freq)
-{
- int val;
-
- val = (info->rtc->max_user_freq / freq) - 1;
- writel(val, info->base + S3C2410_TICNT);
-}
-
-static void s3c24xx_rtc_enable_tick(struct s3c_rtc *info, struct seq_file *seq)
-{
- unsigned int ticnt;
-
- ticnt = readb(info->base + S3C2410_TICNT);
- ticnt &= S3C2410_TICNT_ENABLE;
-
- seq_printf(seq, "periodic_IRQ\t: %s\n", ticnt ? "yes" : "no");
-}
-
-static void s3c2416_rtc_select_tick_clk(struct s3c_rtc *info)
-{
- unsigned int con;
-
- con = readw(info->base + S3C2410_RTCCON);
- con |= S3C2443_RTCCON_TICSEL;
- writew(con, info->base + S3C2410_RTCCON);
-}
-
-static void s3c6410_rtc_enable_tick(struct s3c_rtc *info, struct seq_file *seq)
-{
- unsigned int ticnt;
-
- ticnt = readw(info->base + S3C2410_RTCCON);
- ticnt &= S3C64XX_RTCCON_TICEN;
-
- seq_printf(seq, "periodic_IRQ\t: %s\n", ticnt ? "yes" : "no");
-}
-
-static void s3c24xx_rtc_save_tick_cnt(struct s3c_rtc *info)
-{
- info->ticnt_save = readb(info->base + S3C2410_TICNT);
-}
-
-static void s3c24xx_rtc_restore_tick_cnt(struct s3c_rtc *info)
-{
- writeb(info->ticnt_save, info->base + S3C2410_TICNT);
-}
-
-static void s3c6410_rtc_save_tick_cnt(struct s3c_rtc *info)
-{
- info->ticnt_en_save = readw(info->base + S3C2410_RTCCON);
- info->ticnt_en_save &= S3C64XX_RTCCON_TICEN;
- info->ticnt_save = readl(info->base + S3C2410_TICNT);
-}
-
-static void s3c6410_rtc_restore_tick_cnt(struct s3c_rtc *info)
-{
- unsigned int con;
-
- writel(info->ticnt_save, info->base + S3C2410_TICNT);
- if (info->ticnt_en_save) {
- con = readw(info->base + S3C2410_RTCCON);
- writew(con | info->ticnt_en_save, info->base + S3C2410_RTCCON);
- }
-}
-
static struct s3c_rtc_data const s3c2410_rtc_data = {
- .max_user_freq = 128,
.irq_handler = s3c24xx_rtc_irq,
- .set_freq = s3c2410_rtc_setfreq,
- .enable_tick = s3c24xx_rtc_enable_tick,
- .save_tick_cnt = s3c24xx_rtc_save_tick_cnt,
- .restore_tick_cnt = s3c24xx_rtc_restore_tick_cnt,
.enable = s3c24xx_rtc_enable,
.disable = s3c24xx_rtc_disable,
};
static struct s3c_rtc_data const s3c2416_rtc_data = {
- .max_user_freq = 32768,
.irq_handler = s3c24xx_rtc_irq,
- .set_freq = s3c2416_rtc_setfreq,
- .enable_tick = s3c24xx_rtc_enable_tick,
- .select_tick_clk = s3c2416_rtc_select_tick_clk,
- .save_tick_cnt = s3c24xx_rtc_save_tick_cnt,
- .restore_tick_cnt = s3c24xx_rtc_restore_tick_cnt,
.enable = s3c24xx_rtc_enable,
.disable = s3c24xx_rtc_disable,
};
static struct s3c_rtc_data const s3c2443_rtc_data = {
- .max_user_freq = 32768,
.irq_handler = s3c24xx_rtc_irq,
- .set_freq = s3c2443_rtc_setfreq,
- .enable_tick = s3c24xx_rtc_enable_tick,
- .select_tick_clk = s3c2416_rtc_select_tick_clk,
- .save_tick_cnt = s3c24xx_rtc_save_tick_cnt,
- .restore_tick_cnt = s3c24xx_rtc_restore_tick_cnt,
.enable = s3c24xx_rtc_enable,
.disable = s3c24xx_rtc_disable,
};
static struct s3c_rtc_data const s3c6410_rtc_data = {
- .max_user_freq = 32768,
.needs_src_clk = true,
.irq_handler = s3c6410_rtc_irq,
- .set_freq = s3c6410_rtc_setfreq,
- .enable_tick = s3c6410_rtc_enable_tick,
- .save_tick_cnt = s3c6410_rtc_save_tick_cnt,
- .restore_tick_cnt = s3c6410_rtc_restore_tick_cnt,
.enable = s3c24xx_rtc_enable,
.disable = s3c6410_rtc_disable,
};
diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index 9ccc97cf5e09..1250887e4382 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -205,7 +205,7 @@ int sa1100_rtc_init(struct platform_device *pdev, struct sa1100_rtc *info)
info->rtc->max_user_freq = RTC_FREQ;
info->rtc->range_max = U32_MAX;
- ret = rtc_register_device(info->rtc);
+ ret = devm_rtc_register_device(info->rtc);
if (ret) {
clk_disable_unprepare(info->clk);
return ret;
diff --git a/drivers/rtc/rtc-sc27xx.c b/drivers/rtc/rtc-sc27xx.c
index 36810dd40cd3..187aa955b79c 100644
--- a/drivers/rtc/rtc-sc27xx.c
+++ b/drivers/rtc/rtc-sc27xx.c
@@ -299,33 +299,6 @@ static int sprd_rtc_set_secs(struct sprd_rtc *rtc, enum sprd_rtc_reg_types type,
sts_mask);
}
-static int sprd_rtc_read_aux_alarm(struct device *dev, struct rtc_wkalrm *alrm)
-{
- struct sprd_rtc *rtc = dev_get_drvdata(dev);
- time64_t secs;
- u32 val;
- int ret;
-
- ret = sprd_rtc_get_secs(rtc, SPRD_RTC_AUX_ALARM, &secs);
- if (ret)
- return ret;
-
- rtc_time64_to_tm(secs, &alrm->time);
-
- ret = regmap_read(rtc->regmap, rtc->base + SPRD_RTC_INT_EN, &val);
- if (ret)
- return ret;
-
- alrm->enabled = !!(val & SPRD_RTC_AUXALM_EN);
-
- ret = regmap_read(rtc->regmap, rtc->base + SPRD_RTC_INT_RAW_STS, &val);
- if (ret)
- return ret;
-
- alrm->pending = !!(val & SPRD_RTC_AUXALM_EN);
- return 0;
-}
-
static int sprd_rtc_set_aux_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{
struct sprd_rtc *rtc = dev_get_drvdata(dev);
@@ -415,16 +388,9 @@ static int sprd_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
u32 val;
/*
- * Before RTC device is registered, it will check to see if there is an
- * alarm already set in RTC hardware, and we always read the normal
- * alarm at this time.
- *
- * Or if aie_timer is enabled, we should get the normal alarm time.
- * Otherwise we should get auxiliary alarm time.
+ * The RTC core checks to see if there is an alarm already set in RTC
+ * hardware, and we always read the normal alarm at this time.
*/
- if (rtc->rtc && rtc->rtc->registered && rtc->rtc->aie_timer.enabled == 0)
- return sprd_rtc_read_aux_alarm(dev, alrm);
-
ret = sprd_rtc_get_secs(rtc, SPRD_RTC_ALARM, &secs);
if (ret)
return ret;
@@ -563,7 +529,7 @@ static int sprd_rtc_check_power_down(struct sprd_rtc *rtc)
* means the RTC has been powered down, so the RTC time values are
* invalid.
*/
- rtc->valid = val == SPRD_RTC_POWER_RESET_VALUE ? false : true;
+ rtc->valid = val != SPRD_RTC_POWER_RESET_VALUE;
return 0;
}
@@ -652,7 +618,7 @@ static int sprd_rtc_probe(struct platform_device *pdev)
rtc->rtc->ops = &sprd_rtc_ops;
rtc->rtc->range_min = 0;
rtc->rtc->range_max = 5662310399LL;
- ret = rtc_register_device(rtc->rtc);
+ ret = devm_rtc_register_device(rtc->rtc);
if (ret) {
device_init_wakeup(&pdev->dev, 0);
return ret;
diff --git a/drivers/rtc/rtc-sd3078.c b/drivers/rtc/rtc-sd3078.c
index a7aa943c1183..f6bee69ba017 100644
--- a/drivers/rtc/rtc-sd3078.c
+++ b/drivers/rtc/rtc-sd3078.c
@@ -192,7 +192,7 @@ static int sd3078_probe(struct i2c_client *client,
sd3078->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
sd3078->rtc->range_max = RTC_TIMESTAMP_END_2099;
- ret = rtc_register_device(sd3078->rtc);
+ ret = devm_rtc_register_device(sd3078->rtc);
if (ret)
return ret;
diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c
index 9167b48014a1..cd146b574143 100644
--- a/drivers/rtc/rtc-sh.c
+++ b/drivers/rtc/rtc-sh.c
@@ -607,7 +607,7 @@ static int __init sh_rtc_probe(struct platform_device *pdev)
rtc->rtc_dev->range_max = mktime64(2098, 12, 31, 23, 59, 59);
}
- ret = rtc_register_device(rtc->rtc_dev);
+ ret = devm_rtc_register_device(rtc->rtc_dev);
if (ret)
goto err_unmap;
diff --git a/drivers/rtc/rtc-sirfsoc.c b/drivers/rtc/rtc-sirfsoc.c
index abf19435dbad..03a6cca23201 100644
--- a/drivers/rtc/rtc-sirfsoc.c
+++ b/drivers/rtc/rtc-sirfsoc.c
@@ -356,7 +356,7 @@ static int sirfsoc_rtc_probe(struct platform_device *pdev)
return err;
}
- return rtc_register_device(rtcdrv->rtc);
+ return devm_rtc_register_device(rtcdrv->rtc);
}
#ifdef CONFIG_PM_SLEEP
diff --git a/drivers/rtc/rtc-snvs.c b/drivers/rtc/rtc-snvs.c
index 0263d996b8a8..bd929b0e7d7d 100644
--- a/drivers/rtc/rtc-snvs.c
+++ b/drivers/rtc/rtc-snvs.c
@@ -151,17 +151,14 @@ static int snvs_rtc_read_time(struct device *dev, struct rtc_time *tm)
unsigned long time;
int ret;
- if (data->clk) {
- ret = clk_enable(data->clk);
- if (ret)
- return ret;
- }
+ ret = clk_enable(data->clk);
+ if (ret)
+ return ret;
time = rtc_read_lp_counter(data);
rtc_time64_to_tm(time, tm);
- if (data->clk)
- clk_disable(data->clk);
+ clk_disable(data->clk);
return 0;
}
@@ -172,11 +169,9 @@ static int snvs_rtc_set_time(struct device *dev, struct rtc_time *tm)
unsigned long time = rtc_tm_to_time64(tm);
int ret;
- if (data->clk) {
- ret = clk_enable(data->clk);
- if (ret)
- return ret;
- }
+ ret = clk_enable(data->clk);
+ if (ret)
+ return ret;
/* Disable RTC first */
ret = snvs_rtc_enable(data, false);
@@ -190,8 +185,7 @@ static int snvs_rtc_set_time(struct device *dev, struct rtc_time *tm)
/* Enable RTC again */
ret = snvs_rtc_enable(data, true);
- if (data->clk)
- clk_disable(data->clk);
+ clk_disable(data->clk);
return ret;
}
@@ -202,11 +196,9 @@ static int snvs_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
u32 lptar, lpsr;
int ret;
- if (data->clk) {
- ret = clk_enable(data->clk);
- if (ret)
- return ret;
- }
+ ret = clk_enable(data->clk);
+ if (ret)
+ return ret;
regmap_read(data->regmap, data->offset + SNVS_LPTAR, &lptar);
rtc_time64_to_tm(lptar, &alrm->time);
@@ -214,8 +206,7 @@ static int snvs_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
regmap_read(data->regmap, data->offset + SNVS_LPSR, &lpsr);
alrm->pending = (lpsr & SNVS_LPSR_LPTA) ? 1 : 0;
- if (data->clk)
- clk_disable(data->clk);
+ clk_disable(data->clk);
return 0;
}
@@ -225,11 +216,9 @@ static int snvs_rtc_alarm_irq_enable(struct device *dev, unsigned int enable)
struct snvs_rtc_data *data = dev_get_drvdata(dev);
int ret;
- if (data->clk) {
- ret = clk_enable(data->clk);
- if (ret)
- return ret;
- }
+ ret = clk_enable(data->clk);
+ if (ret)
+ return ret;
regmap_update_bits(data->regmap, data->offset + SNVS_LPCR,
(SNVS_LPCR_LPTA_EN | SNVS_LPCR_LPWUI_EN),
@@ -237,8 +226,7 @@ static int snvs_rtc_alarm_irq_enable(struct device *dev, unsigned int enable)
ret = rtc_write_sync_lp(data);
- if (data->clk)
- clk_disable(data->clk);
+ clk_disable(data->clk);
return ret;
}
@@ -249,11 +237,9 @@ static int snvs_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
unsigned long time = rtc_tm_to_time64(&alrm->time);
int ret;
- if (data->clk) {
- ret = clk_enable(data->clk);
- if (ret)
- return ret;
- }
+ ret = clk_enable(data->clk);
+ if (ret)
+ return ret;
regmap_update_bits(data->regmap, data->offset + SNVS_LPCR, SNVS_LPCR_LPTA_EN, 0);
ret = rtc_write_sync_lp(data);
@@ -264,8 +250,7 @@ static int snvs_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
/* Clear alarm interrupt status bit */
regmap_write(data->regmap, data->offset + SNVS_LPSR, SNVS_LPSR_LPTA);
- if (data->clk)
- clk_disable(data->clk);
+ clk_disable(data->clk);
return snvs_rtc_alarm_irq_enable(dev, alrm->enabled);
}
@@ -285,8 +270,7 @@ static irqreturn_t snvs_rtc_irq_handler(int irq, void *dev_id)
u32 lpsr;
u32 events = 0;
- if (data->clk)
- clk_enable(data->clk);
+ clk_enable(data->clk);
regmap_read(data->regmap, data->offset + SNVS_LPSR, &lpsr);
@@ -302,8 +286,7 @@ static irqreturn_t snvs_rtc_irq_handler(int irq, void *dev_id)
/* clear interrupt status */
regmap_write(data->regmap, data->offset + SNVS_LPSR, lpsr);
- if (data->clk)
- clk_disable(data->clk);
+ clk_disable(data->clk);
return events ? IRQ_HANDLED : IRQ_NONE;
}
@@ -316,8 +299,7 @@ static const struct regmap_config snvs_rtc_config = {
static void snvs_rtc_action(void *data)
{
- if (data)
- clk_disable_unprepare(data);
+ clk_disable_unprepare(data);
}
static int snvs_rtc_probe(struct platform_device *pdev)
@@ -405,15 +387,14 @@ static int snvs_rtc_probe(struct platform_device *pdev)
data->rtc->ops = &snvs_rtc_ops;
data->rtc->range_max = U32_MAX;
- return rtc_register_device(data->rtc);
+ return devm_rtc_register_device(data->rtc);
}
static int __maybe_unused snvs_rtc_suspend_noirq(struct device *dev)
{
struct snvs_rtc_data *data = dev_get_drvdata(dev);
- if (data->clk)
- clk_disable(data->clk);
+ clk_disable(data->clk);
return 0;
}
diff --git a/drivers/rtc/rtc-st-lpc.c b/drivers/rtc/rtc-st-lpc.c
index 0c65448b85ee..bdb20f63254e 100644
--- a/drivers/rtc/rtc-st-lpc.c
+++ b/drivers/rtc/rtc-st-lpc.c
@@ -250,7 +250,7 @@ static int st_rtc_probe(struct platform_device *pdev)
rtc->rtc_dev->range_max = U64_MAX;
do_div(rtc->rtc_dev->range_max, rtc->clkrate);
- ret = rtc_register_device(rtc->rtc_dev);
+ ret = devm_rtc_register_device(rtc->rtc_dev);
if (ret) {
clk_disable_unprepare(rtc->clk);
return ret;
diff --git a/drivers/rtc/rtc-starfire.c b/drivers/rtc/rtc-starfire.c
index 37a26279e107..fbd1ed41cbf1 100644
--- a/drivers/rtc/rtc-starfire.c
+++ b/drivers/rtc/rtc-starfire.c
@@ -48,7 +48,7 @@ static int __init starfire_rtc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, rtc);
- return rtc_register_device(rtc);
+ return devm_rtc_register_device(rtc);
}
static struct platform_driver starfire_rtc_driver = {
diff --git a/drivers/rtc/rtc-stk17ta8.c b/drivers/rtc/rtc-stk17ta8.c
index 01a45044f468..7cb6be1b7815 100644
--- a/drivers/rtc/rtc-stk17ta8.c
+++ b/drivers/rtc/rtc-stk17ta8.c
@@ -311,14 +311,13 @@ static int stk17ta8_rtc_probe(struct platform_device *pdev)
return PTR_ERR(pdata->rtc);
pdata->rtc->ops = &stk17ta8_rtc_ops;
- pdata->rtc->nvram_old_abi = true;
nvmem_cfg.priv = pdata;
- ret = rtc_nvmem_register(pdata->rtc, &nvmem_cfg);
+ ret = devm_rtc_nvmem_register(pdata->rtc, &nvmem_cfg);
if (ret)
return ret;
- return rtc_register_device(pdata->rtc);
+ return devm_rtc_register_device(pdata->rtc);
}
/* work with hotplug and coldplug */
diff --git a/drivers/rtc/rtc-stmp3xxx.c b/drivers/rtc/rtc-stmp3xxx.c
index 0a969af80af7..40c0f7ed36e0 100644
--- a/drivers/rtc/rtc-stmp3xxx.c
+++ b/drivers/rtc/rtc-stmp3xxx.c
@@ -366,7 +366,7 @@ static int stmp3xxx_rtc_probe(struct platform_device *pdev)
rtc_data->rtc->ops = &stmp3xxx_rtc_ops;
rtc_data->rtc->range_max = U32_MAX;
- err = rtc_register_device(rtc_data->rtc);
+ err = devm_rtc_register_device(rtc_data->rtc);
if (err)
return err;
diff --git a/drivers/rtc/rtc-sun4v.c b/drivers/rtc/rtc-sun4v.c
index 036463dfa103..a86e27de8c06 100644
--- a/drivers/rtc/rtc-sun4v.c
+++ b/drivers/rtc/rtc-sun4v.c
@@ -86,7 +86,7 @@ static int __init sun4v_rtc_probe(struct platform_device *pdev)
rtc->range_max = U64_MAX;
platform_set_drvdata(pdev, rtc);
- return rtc_register_device(rtc);
+ return devm_rtc_register_device(rtc);
}
static struct platform_driver sun4v_rtc_driver = {
diff --git a/drivers/rtc/rtc-sun6i.c b/drivers/rtc/rtc-sun6i.c
index e2b8b150bcb4..adec1b14a8de 100644
--- a/drivers/rtc/rtc-sun6i.c
+++ b/drivers/rtc/rtc-sun6i.c
@@ -272,7 +272,7 @@ static void __init sun6i_rtc_clk_init(struct device_node *node,
300000000);
if (IS_ERR(rtc->int_osc)) {
pr_crit("Couldn't register the internal oscillator\n");
- return;
+ goto err;
}
parents[0] = clk_hw_get_name(rtc->int_osc);
@@ -290,7 +290,7 @@ static void __init sun6i_rtc_clk_init(struct device_node *node,
rtc->losc = clk_register(NULL, &rtc->hw);
if (IS_ERR(rtc->losc)) {
pr_crit("Couldn't register the LOSC clock\n");
- return;
+ goto err_register;
}
of_property_read_string_index(node, "clock-output-names", 1,
@@ -301,7 +301,7 @@ static void __init sun6i_rtc_clk_init(struct device_node *node,
&rtc->lock);
if (IS_ERR(rtc->ext_losc)) {
pr_crit("Couldn't register the LOSC external gate\n");
- return;
+ goto err_register;
}
clk_data->num = 2;
@@ -314,6 +314,8 @@ static void __init sun6i_rtc_clk_init(struct device_node *node,
of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
return;
+err_register:
+ clk_hw_unregister_fixed_rate(rtc->int_osc);
err:
kfree(clk_data);
}
@@ -724,7 +726,7 @@ static int sun6i_rtc_probe(struct platform_device *pdev)
chip->rtc->ops = &sun6i_rtc_ops;
chip->rtc->range_max = 2019686399LL; /* 2033-12-31 23:59:59 */
- ret = rtc_register_device(chip->rtc);
+ ret = devm_rtc_register_device(chip->rtc);
if (ret)
return ret;
diff --git a/drivers/rtc/rtc-sunxi.c b/drivers/rtc/rtc-sunxi.c
index f5d7f44550ce..5d019e3a835a 100644
--- a/drivers/rtc/rtc-sunxi.c
+++ b/drivers/rtc/rtc-sunxi.c
@@ -470,7 +470,7 @@ static int sunxi_rtc_probe(struct platform_device *pdev)
chip->rtc->ops = &sunxi_rtc_ops;
- return rtc_register_device(chip->rtc);
+ return devm_rtc_register_device(chip->rtc);
}
static struct platform_driver sunxi_rtc_driver = {
diff --git a/drivers/rtc/rtc-tegra.c b/drivers/rtc/rtc-tegra.c
index 7fbb1741692f..8925015cc698 100644
--- a/drivers/rtc/rtc-tegra.c
+++ b/drivers/rtc/rtc-tegra.c
@@ -329,7 +329,7 @@ static int tegra_rtc_probe(struct platform_device *pdev)
goto disable_clk;
}
- ret = rtc_register_device(info->rtc);
+ ret = devm_rtc_register_device(info->rtc);
if (ret)
goto disable_clk;
diff --git a/drivers/rtc/rtc-test.c b/drivers/rtc/rtc-test.c
index 74b3a0603b73..7e0d8fb26465 100644
--- a/drivers/rtc/rtc-test.c
+++ b/drivers/rtc/rtc-test.c
@@ -50,7 +50,6 @@ static int test_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
if (expires > U32_MAX)
expires = U32_MAX;
- pr_err("ABE: %s +%d %s\n", __FILE__, __LINE__, __func__);
rtd->alarm.expires = expires;
if (alrm->enabled)
@@ -139,7 +138,7 @@ static int test_probe(struct platform_device *plat_dev)
timer_setup(&rtd->alarm, test_rtc_alarm_handler, 0);
rtd->alarm.expires = 0;
- return rtc_register_device(rtd->rtc);
+ return devm_rtc_register_device(rtd->rtc);
}
static struct platform_driver test_driver = {
diff --git a/drivers/rtc/rtc-tps6586x.c b/drivers/rtc/rtc-tps6586x.c
index e39af2d67051..a980337c3065 100644
--- a/drivers/rtc/rtc-tps6586x.c
+++ b/drivers/rtc/rtc-tps6586x.c
@@ -280,7 +280,7 @@ static int tps6586x_rtc_probe(struct platform_device *pdev)
goto fail_rtc_register;
}
- ret = rtc_register_device(rtc->rtc);
+ ret = devm_rtc_register_device(rtc->rtc);
if (ret)
goto fail_rtc_register;
diff --git a/drivers/rtc/rtc-tps65910.c b/drivers/rtc/rtc-tps65910.c
index e3840386f430..2d87b62826a8 100644
--- a/drivers/rtc/rtc-tps65910.c
+++ b/drivers/rtc/rtc-tps65910.c
@@ -434,7 +434,7 @@ static int tps65910_rtc_probe(struct platform_device *pdev)
tps_rtc->rtc->range_min = RTC_TIMESTAMP_BEGIN_2000;
tps_rtc->rtc->range_max = RTC_TIMESTAMP_END_2099;
- return rtc_register_device(tps_rtc->rtc);
+ return devm_rtc_register_device(tps_rtc->rtc);
}
#ifdef CONFIG_PM_SLEEP
diff --git a/drivers/rtc/rtc-tx4939.c b/drivers/rtc/rtc-tx4939.c
index 715b82981279..c3309db5448d 100644
--- a/drivers/rtc/rtc-tx4939.c
+++ b/drivers/rtc/rtc-tx4939.c
@@ -266,17 +266,16 @@ static int __init tx4939_rtc_probe(struct platform_device *pdev)
return PTR_ERR(rtc);
rtc->ops = &tx4939_rtc_ops;
- rtc->nvram_old_abi = true;
rtc->range_max = U32_MAX;
pdata->rtc = rtc;
nvmem_cfg.priv = pdata;
- ret = rtc_nvmem_register(rtc, &nvmem_cfg);
+ ret = devm_rtc_nvmem_register(rtc, &nvmem_cfg);
if (ret)
return ret;
- return rtc_register_device(rtc);
+ return devm_rtc_register_device(rtc);
}
static int __exit tx4939_rtc_remove(struct platform_device *pdev)
diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c
index c3671043ace7..5a9f9ad86d32 100644
--- a/drivers/rtc/rtc-vr41xx.c
+++ b/drivers/rtc/rtc-vr41xx.c
@@ -335,7 +335,7 @@ static int rtc_probe(struct platform_device *pdev)
dev_info(&pdev->dev, "Real Time Clock of NEC VR4100 series\n");
- retval = rtc_register_device(rtc);
+ retval = devm_rtc_register_device(rtc);
if (retval)
goto err_iounmap_all;
diff --git a/drivers/rtc/rtc-vt8500.c b/drivers/rtc/rtc-vt8500.c
index e2588625025f..197b649cd629 100644
--- a/drivers/rtc/rtc-vt8500.c
+++ b/drivers/rtc/rtc-vt8500.c
@@ -232,7 +232,7 @@ static int vt8500_rtc_probe(struct platform_device *pdev)
return ret;
}
- return rtc_register_device(vt8500_rtc->rtc);
+ return devm_rtc_register_device(vt8500_rtc->rtc);
}
static int vt8500_rtc_remove(struct platform_device *pdev)
diff --git a/drivers/rtc/rtc-wilco-ec.c b/drivers/rtc/rtc-wilco-ec.c
index ff46066a68a4..2a205a646452 100644
--- a/drivers/rtc/rtc-wilco-ec.c
+++ b/drivers/rtc/rtc-wilco-ec.c
@@ -176,7 +176,7 @@ static int wilco_ec_rtc_probe(struct platform_device *pdev)
rtc->range_max = RTC_TIMESTAMP_END_2099;
rtc->owner = THIS_MODULE;
- return rtc_register_device(rtc);
+ return devm_rtc_register_device(rtc);
}
static struct platform_driver wilco_ec_rtc_driver = {
diff --git a/drivers/rtc/rtc-wm831x.c b/drivers/rtc/rtc-wm831x.c
index ccef887d2690..640833e21057 100644
--- a/drivers/rtc/rtc-wm831x.c
+++ b/drivers/rtc/rtc-wm831x.c
@@ -429,7 +429,7 @@ static int wm831x_rtc_probe(struct platform_device *pdev)
wm831x_rtc->rtc->ops = &wm831x_rtc_ops;
wm831x_rtc->rtc->range_max = U32_MAX;
- ret = rtc_register_device(wm831x_rtc->rtc);
+ ret = devm_rtc_register_device(wm831x_rtc->rtc);
if (ret)
return ret;
diff --git a/drivers/rtc/rtc-xgene.c b/drivers/rtc/rtc-xgene.c
index 96db441f92b3..cf68a9b1c9eb 100644
--- a/drivers/rtc/rtc-xgene.c
+++ b/drivers/rtc/rtc-xgene.c
@@ -185,7 +185,7 @@ static int xgene_rtc_probe(struct platform_device *pdev)
pdata->rtc->ops = &xgene_rtc_ops;
pdata->rtc->range_max = U32_MAX;
- ret = rtc_register_device(pdata->rtc);
+ ret = devm_rtc_register_device(pdata->rtc);
if (ret) {
clk_disable_unprepare(pdata->clk);
return ret;
diff --git a/drivers/rtc/rtc-zynqmp.c b/drivers/rtc/rtc-zynqmp.c
index 4b1077e2f826..f440bb52be92 100644
--- a/drivers/rtc/rtc-zynqmp.c
+++ b/drivers/rtc/rtc-zynqmp.c
@@ -264,7 +264,7 @@ static int xlnx_rtc_probe(struct platform_device *pdev)
device_init_wakeup(&pdev->dev, 1);
- return rtc_register_device(xrtcdev->rtc);
+ return devm_rtc_register_device(xrtcdev->rtc);
}
static int xlnx_rtc_remove(struct platform_device *pdev)
diff --git a/drivers/rtc/sysfs.c b/drivers/rtc/sysfs.c
index 950fac0d41ff..8a957d31a1a4 100644
--- a/drivers/rtc/sysfs.c
+++ b/drivers/rtc/sysfs.c
@@ -317,8 +317,6 @@ int rtc_add_groups(struct rtc_device *rtc, const struct attribute_group **grps)
size_t old_cnt = 0, add_cnt = 0, new_cnt;
const struct attribute_group **groups, **old;
- if (rtc->registered)
- return -EINVAL;
if (!grps)
return -EINVAL;
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index b829382de6c3..568909449c13 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -141,12 +141,6 @@ struct rtc_device {
*/
unsigned long set_offset_nsec;
- bool registered;
-
- /* Old ABI support */
- bool nvram_old_abi;
- struct bin_attribute *nvram;
-
time64_t range_min;
timeu64_t range_max;
time64_t start_secs;
@@ -184,7 +178,7 @@ extern struct rtc_device *devm_rtc_device_register(struct device *dev,
const struct rtc_class_ops *ops,
struct module *owner);
struct rtc_device *devm_rtc_allocate_device(struct device *dev);
-int __rtc_register_device(struct module *owner, struct rtc_device *rtc);
+int __devm_rtc_register_device(struct module *owner, struct rtc_device *rtc);
extern int rtc_read_time(struct rtc_device *rtc, struct rtc_time *tm);
extern int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm);
@@ -227,8 +221,8 @@ static inline bool is_leap_year(unsigned int year)
return (!(year % 4) && (year % 100)) || !(year % 400);
}
-#define rtc_register_device(device) \
- __rtc_register_device(THIS_MODULE, device)
+#define devm_rtc_register_device(device) \
+ __devm_rtc_register_device(THIS_MODULE, device)
#ifdef CONFIG_RTC_HCTOSYS_DEVICE
extern int rtc_hctosys_ret;
@@ -237,16 +231,14 @@ extern int rtc_hctosys_ret;
#endif
#ifdef CONFIG_RTC_NVMEM
-int rtc_nvmem_register(struct rtc_device *rtc,
- struct nvmem_config *nvmem_config);
-void rtc_nvmem_unregister(struct rtc_device *rtc);
+int devm_rtc_nvmem_register(struct rtc_device *rtc,
+ struct nvmem_config *nvmem_config);
#else
-static inline int rtc_nvmem_register(struct rtc_device *rtc,
- struct nvmem_config *nvmem_config)
+static inline int devm_rtc_nvmem_register(struct rtc_device *rtc,
+ struct nvmem_config *nvmem_config)
{
return 0;
}
-static inline void rtc_nvmem_unregister(struct rtc_device *rtc) {}
#endif
#ifdef CONFIG_RTC_INTF_SYSFS