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-rw-r--r--include/linux/arch_topology.h5
-rw-r--r--include/linux/device.h19
-rw-r--r--include/linux/device/devres.h17
-rw-r--r--include/linux/mod_devicetable.h2
-rw-r--r--include/linux/platform_device.h6
-rw-r--r--include/linux/sysfs.h48
6 files changed, 55 insertions, 42 deletions
diff --git a/include/linux/arch_topology.h b/include/linux/arch_topology.h
index 0c2a8b846c20..ebd7f8935f96 100644
--- a/include/linux/arch_topology.h
+++ b/include/linux/arch_topology.h
@@ -80,6 +80,11 @@ extern struct cpu_topology cpu_topology[NR_CPUS];
#define topology_sibling_cpumask(cpu) (&cpu_topology[cpu].thread_sibling)
#define topology_cluster_cpumask(cpu) (&cpu_topology[cpu].cluster_sibling)
#define topology_llc_cpumask(cpu) (&cpu_topology[cpu].llc_sibling)
+
+#ifndef arch_cpu_is_threaded
+#define arch_cpu_is_threaded() (0)
+#endif
+
void init_cpu_topology(void);
void store_cpu_topology(unsigned int cpuid);
const struct cpumask *cpu_coregroup_mask(int cpu);
diff --git a/include/linux/device.h b/include/linux/device.h
index b031ff71a5bd..0be95294b6e6 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -281,25 +281,6 @@ int __must_check device_create_bin_file(struct device *dev,
void device_remove_bin_file(struct device *dev,
const struct bin_attribute *attr);
-/**
- * devm_alloc_percpu - Resource-managed alloc_percpu
- * @dev: Device to allocate per-cpu memory for
- * @type: Type to allocate per-cpu memory for
- *
- * Managed alloc_percpu. Per-cpu memory allocated with this function is
- * automatically freed on driver detach.
- *
- * RETURNS:
- * Pointer to allocated memory on success, NULL on failure.
- */
-#define devm_alloc_percpu(dev, type) \
- ((typeof(type) __percpu *)__devm_alloc_percpu((dev), sizeof(type), \
- __alignof__(type)))
-
-void __percpu *__devm_alloc_percpu(struct device *dev, size_t size,
- size_t align);
-void devm_free_percpu(struct device *dev, void __percpu *pdata);
-
struct device_dma_parameters {
/*
* a low level driver may set these to teach IOMMU code about
diff --git a/include/linux/device/devres.h b/include/linux/device/devres.h
index 8c5f57e0d613..9c1e3d643d69 100644
--- a/include/linux/device/devres.h
+++ b/include/linux/device/devres.h
@@ -9,6 +9,7 @@
#include <linux/stdarg.h>
#include <linux/types.h>
#include <asm/bug.h>
+#include <asm/percpu.h>
struct device;
struct device_node;
@@ -96,6 +97,22 @@ devm_kvasprintf(struct device *dev, gfp_t gfp, const char *fmt, va_list ap);
char * __printf(3, 4) __malloc
devm_kasprintf(struct device *dev, gfp_t gfp, const char *fmt, ...);
+/**
+ * devm_alloc_percpu - Resource-managed alloc_percpu
+ * @dev: Device to allocate per-cpu memory for
+ * @type: Type to allocate per-cpu memory for
+ *
+ * Managed alloc_percpu. Per-cpu memory allocated with this function is
+ * automatically freed on driver detach.
+ *
+ * RETURNS:
+ * Pointer to allocated memory on success, NULL on failure.
+ */
+#define devm_alloc_percpu(dev, type) \
+ ((typeof(type) __percpu *)__devm_alloc_percpu((dev), sizeof(type), __alignof__(type)))
+
+void __percpu *__devm_alloc_percpu(struct device *dev, size_t size, size_t align);
+
unsigned long devm_get_free_pages(struct device *dev, gfp_t gfp_mask, unsigned int order);
void devm_free_pages(struct device *dev, unsigned long addr);
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index 6077972e8b45..24eb5a88a5c5 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -867,7 +867,7 @@ struct mhi_device_id {
kernel_ulong_t driver_data;
};
-#define AUXILIARY_NAME_SIZE 32
+#define AUXILIARY_NAME_SIZE 40
#define AUXILIARY_MODULE_PREFIX "auxiliary:"
struct auxiliary_device_id {
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 93c945331f39..813da101b5bf 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -80,7 +80,7 @@ static inline void __iomem *
devm_platform_get_and_ioremap_resource(struct platform_device *pdev,
unsigned int index, struct resource **res)
{
- return ERR_PTR(-EINVAL);
+ return IOMEM_ERR_PTR(-EINVAL);
}
@@ -88,14 +88,14 @@ static inline void __iomem *
devm_platform_ioremap_resource(struct platform_device *pdev,
unsigned int index)
{
- return ERR_PTR(-EINVAL);
+ return IOMEM_ERR_PTR(-EINVAL);
}
static inline void __iomem *
devm_platform_ioremap_resource_byname(struct platform_device *pdev,
const char *name)
{
- return ERR_PTR(-EINVAL);
+ return IOMEM_ERR_PTR(-EINVAL);
}
#endif
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 9a25a2911652..c33a96b7391a 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -58,6 +58,12 @@ do { \
#define sysfs_attr_init(attr) do {} while (0)
#endif
+#ifdef CONFIG_CFI
+#define __SYSFS_FUNCTION_ALTERNATIVE(MEMBERS...) struct { MEMBERS }
+#else
+#define __SYSFS_FUNCTION_ALTERNATIVE(MEMBERS...) union { MEMBERS }
+#endif
+
/**
* struct attribute_group - data structure used to declare an attribute group.
* @name: Optional: Attribute group name
@@ -98,14 +104,21 @@ do { \
*/
struct attribute_group {
const char *name;
- umode_t (*is_visible)(struct kobject *,
- struct attribute *, int);
+ __SYSFS_FUNCTION_ALTERNATIVE(
+ umode_t (*is_visible)(struct kobject *,
+ struct attribute *, int);
+ umode_t (*is_visible_const)(struct kobject *,
+ const struct attribute *, int);
+ );
umode_t (*is_bin_visible)(struct kobject *,
const struct bin_attribute *, int);
size_t (*bin_size)(struct kobject *,
const struct bin_attribute *,
int);
- struct attribute **attrs;
+ union {
+ struct attribute **attrs;
+ const struct attribute *const *attrs_const;
+ };
const struct bin_attribute *const *bin_attrs;
};
@@ -238,28 +251,20 @@ struct attribute_group {
.store = _store, \
}
-#define __ATTR_RO(_name) { \
- .attr = { .name = __stringify(_name), .mode = 0444 }, \
- .show = _name##_show, \
-}
-
#define __ATTR_RO_MODE(_name, _mode) { \
.attr = { .name = __stringify(_name), \
.mode = VERIFY_OCTAL_PERMISSIONS(_mode) }, \
.show = _name##_show, \
}
-#define __ATTR_RW_MODE(_name, _mode) { \
- .attr = { .name = __stringify(_name), \
- .mode = VERIFY_OCTAL_PERMISSIONS(_mode) }, \
- .show = _name##_show, \
- .store = _name##_store, \
-}
+#define __ATTR_RO(_name) \
+ __ATTR_RO_MODE(_name, 0444)
-#define __ATTR_WO(_name) { \
- .attr = { .name = __stringify(_name), .mode = 0200 }, \
- .store = _name##_store, \
-}
+#define __ATTR_RW_MODE(_name, _mode) \
+ __ATTR(_name, _mode, _name##_show, _name##_store)
+
+#define __ATTR_WO(_name) \
+ __ATTR(_name, 0200, NULL, _name##_store)
#define __ATTR_RW(_name) __ATTR(_name, 0644, _name##_show, _name##_store)
@@ -284,7 +289,12 @@ static const struct attribute_group *_name##_groups[] = { \
#define ATTRIBUTE_GROUPS(_name) \
static const struct attribute_group _name##_group = { \
- .attrs = _name##_attrs, \
+ .attrs = _Generic(_name##_attrs, \
+ struct attribute **: \
+ _name##_attrs, \
+ const struct attribute *const *: \
+ (void *)_name##_attrs \
+ ), \
}; \
__ATTRIBUTE_GROUPS(_name)
generated by cgit (git 2.34.1) at 2025-12-06 14:51:48 +0000