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Diffstat (limited to 'drivers/misc/mei')
-rw-r--r--drivers/misc/mei/Kconfig2
-rw-r--r--drivers/misc/mei/client.c14
-rw-r--r--drivers/misc/mei/hw-me-regs.h2
-rw-r--r--drivers/misc/mei/interrupt.c2
-rw-r--r--drivers/misc/mei/main.c1
-rw-r--r--drivers/misc/mei/mei_lb.c3
-rw-r--r--drivers/misc/mei/pci-me.c15
-rw-r--r--drivers/misc/mei/pci-txe.c17
-rw-r--r--drivers/misc/mei/platform-vsc.c11
9 files changed, 28 insertions, 39 deletions
diff --git a/drivers/misc/mei/Kconfig b/drivers/misc/mei/Kconfig
index f8b04e49e4ba..f4eb307cd35e 100644
--- a/drivers/misc/mei/Kconfig
+++ b/drivers/misc/mei/Kconfig
@@ -49,7 +49,7 @@ config INTEL_MEI_TXE
config INTEL_MEI_GSC
tristate "Intel MEI GSC embedded device"
depends on INTEL_MEI_ME
- depends on DRM_I915
+ depends on DRM_I915 || DRM_XE
help
Intel auxiliary driver for GSC devices embedded in Intel graphics devices.
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c
index 159e8b841564..5dc665515263 100644
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -709,7 +709,6 @@ void mei_host_client_init(struct mei_device *dev)
schedule_work(&dev->bus_rescan_work);
- pm_runtime_mark_last_busy(dev->parent);
dev_dbg(&dev->dev, "rpm: autosuspend\n");
pm_request_autosuspend(dev->parent);
}
@@ -991,7 +990,6 @@ int mei_cl_disconnect(struct mei_cl *cl)
rets = __mei_cl_disconnect(cl);
cl_dbg(dev, cl, "rpm: autosuspend\n");
- pm_runtime_mark_last_busy(dev->parent);
pm_runtime_put_autosuspend(dev->parent);
return rets;
@@ -1167,7 +1165,6 @@ int mei_cl_connect(struct mei_cl *cl, struct mei_me_client *me_cl,
rets = cl->status;
out:
cl_dbg(dev, cl, "rpm: autosuspend\n");
- pm_runtime_mark_last_busy(dev->parent);
pm_runtime_put_autosuspend(dev->parent);
mei_io_cb_free(cb);
@@ -1554,7 +1551,6 @@ int mei_cl_notify_request(struct mei_cl *cl,
out:
cl_dbg(dev, cl, "rpm: autosuspend\n");
- pm_runtime_mark_last_busy(dev->parent);
pm_runtime_put_autosuspend(dev->parent);
mei_io_cb_free(cb);
@@ -1702,7 +1698,6 @@ int mei_cl_read_start(struct mei_cl *cl, size_t length, const struct file *fp)
out:
cl_dbg(dev, cl, "rpm: autosuspend\n");
- pm_runtime_mark_last_busy(dev->parent);
pm_runtime_put_autosuspend(dev->parent);
nortpm:
if (rets)
@@ -2092,7 +2087,6 @@ out:
rets = buf_len;
err:
cl_dbg(dev, cl, "rpm: autosuspend\n");
- pm_runtime_mark_last_busy(dev->parent);
pm_runtime_put_autosuspend(dev->parent);
free:
mei_io_cb_free(cb);
@@ -2116,12 +2110,10 @@ void mei_cl_complete(struct mei_cl *cl, struct mei_cl_cb *cb)
case MEI_FOP_WRITE:
mei_tx_cb_dequeue(cb);
cl->writing_state = MEI_WRITE_COMPLETE;
- if (waitqueue_active(&cl->tx_wait)) {
+ if (waitqueue_active(&cl->tx_wait))
wake_up_interruptible(&cl->tx_wait);
- } else {
- pm_runtime_mark_last_busy(dev->parent);
+ else
pm_request_autosuspend(dev->parent);
- }
break;
case MEI_FOP_READ:
@@ -2366,7 +2358,6 @@ out:
mei_cl_dma_free(cl);
cl_dbg(dev, cl, "rpm: autosuspend\n");
- pm_runtime_mark_last_busy(dev->parent);
pm_runtime_put_autosuspend(dev->parent);
mei_io_cb_free(cb);
@@ -2444,7 +2435,6 @@ int mei_cl_dma_unmap(struct mei_cl *cl, const struct file *fp)
mei_cl_dma_free(cl);
out:
cl_dbg(dev, cl, "rpm: autosuspend\n");
- pm_runtime_mark_last_busy(dev->parent);
pm_runtime_put_autosuspend(dev->parent);
mei_io_cb_free(cb);
diff --git a/drivers/misc/mei/hw-me-regs.h b/drivers/misc/mei/hw-me-regs.h
index bc40b940ae21..a4f75dc36929 100644
--- a/drivers/misc/mei/hw-me-regs.h
+++ b/drivers/misc/mei/hw-me-regs.h
@@ -120,6 +120,8 @@
#define MEI_DEV_ID_PTL_H 0xE370 /* Panther Lake H */
#define MEI_DEV_ID_PTL_P 0xE470 /* Panther Lake P */
+#define MEI_DEV_ID_WCL_P 0x4D70 /* Wildcat Lake P */
+
/*
* MEI HW Section
*/
diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c
index 3aa66b6b0d36..3f210413fd32 100644
--- a/drivers/misc/mei/interrupt.c
+++ b/drivers/misc/mei/interrupt.c
@@ -229,7 +229,6 @@ static int mei_cl_irq_read_msg(struct mei_cl *cl,
cl_dbg(dev, cl, "completed read length = %zu\n", cb->buf_idx);
list_move_tail(&cb->list, cmpl_list);
} else {
- pm_runtime_mark_last_busy(dev->parent);
pm_request_autosuspend(dev->parent);
}
@@ -310,7 +309,6 @@ static int mei_cl_irq_read(struct mei_cl *cl, struct mei_cl_cb *cb,
return ret;
}
- pm_runtime_mark_last_busy(dev->parent);
pm_request_autosuspend(dev->parent);
list_move_tail(&cb->list, &cl->rd_pending);
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index 86a73684a373..6f26d5160788 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -1307,6 +1307,7 @@ int mei_register(struct mei_device *dev, struct device *parent)
err_del_cdev:
cdev_del(dev->cdev);
err:
+ put_device(&dev->dev);
mei_minor_free(minor);
return ret;
}
diff --git a/drivers/misc/mei/mei_lb.c b/drivers/misc/mei/mei_lb.c
index 77686b108d3c..78717ee8ac9a 100644
--- a/drivers/misc/mei/mei_lb.c
+++ b/drivers/misc/mei/mei_lb.c
@@ -134,8 +134,7 @@ static bool mei_lb_check_response(const struct device *dev, ssize_t bytes,
return true;
}
-static int mei_lb_push_payload(struct device *dev,
- enum intel_lb_type type, u32 flags,
+static int mei_lb_push_payload(struct device *dev, u32 type, u32 flags,
const void *payload, size_t payload_size)
{
struct mei_cl_device *cldev;
diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
index b108a7c22388..73cad914be9f 100644
--- a/drivers/misc/mei/pci-me.c
+++ b/drivers/misc/mei/pci-me.c
@@ -127,6 +127,8 @@ static const struct pci_device_id mei_me_pci_tbl[] = {
{MEI_PCI_DEVICE(MEI_DEV_ID_PTL_H, MEI_ME_PCH15_CFG)},
{MEI_PCI_DEVICE(MEI_DEV_ID_PTL_P, MEI_ME_PCH15_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_WCL_P, MEI_ME_PCH15_CFG)},
+
/* required last entry */
{0, }
};
@@ -221,6 +223,10 @@ static int mei_me_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
hw->mem_addr = pcim_iomap_table(pdev)[0];
hw->read_fws = mei_me_read_fws;
+ err = mei_register(dev, &pdev->dev);
+ if (err)
+ goto end;
+
pci_enable_msi(pdev);
hw->irq = pdev->irq;
@@ -235,13 +241,9 @@ static int mei_me_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (err) {
dev_err(&pdev->dev, "request_threaded_irq failure. irq = %d\n",
pdev->irq);
- goto end;
+ goto deregister;
}
- err = mei_register(dev, &pdev->dev);
- if (err)
- goto release_irq;
-
if (mei_start(dev)) {
dev_err(&pdev->dev, "init hw failure.\n");
err = -ENODEV;
@@ -281,11 +283,10 @@ static int mei_me_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
return 0;
deregister:
- mei_deregister(dev);
-release_irq:
mei_cancel_work(dev);
mei_disable_interrupts(dev);
free_irq(pdev->irq, dev);
+ mei_deregister(dev);
end:
dev_err(&pdev->dev, "initialization failed.\n");
return err;
diff --git a/drivers/misc/mei/pci-txe.c b/drivers/misc/mei/pci-txe.c
index c9eb5c5393e4..98d1bc2c7f4b 100644
--- a/drivers/misc/mei/pci-txe.c
+++ b/drivers/misc/mei/pci-txe.c
@@ -87,6 +87,10 @@ static int mei_txe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
hw = to_txe_hw(dev);
hw->mem_addr = pcim_iomap_table(pdev);
+ err = mei_register(dev, &pdev->dev);
+ if (err)
+ goto end;
+
pci_enable_msi(pdev);
/* clear spurious interrupts */
@@ -106,22 +110,18 @@ static int mei_txe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (err) {
dev_err(&pdev->dev, "mei: request_threaded_irq failure. irq = %d\n",
pdev->irq);
- goto end;
+ goto deregister;
}
if (mei_start(dev)) {
dev_err(&pdev->dev, "init hw failure.\n");
err = -ENODEV;
- goto release_irq;
+ goto deregister;
}
pm_runtime_set_autosuspend_delay(&pdev->dev, MEI_TXI_RPM_TIMEOUT);
pm_runtime_use_autosuspend(&pdev->dev);
- err = mei_register(dev, &pdev->dev);
- if (err)
- goto stop;
-
pci_set_drvdata(pdev, dev);
/*
@@ -144,12 +144,11 @@ static int mei_txe_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
return 0;
-stop:
- mei_stop(dev);
-release_irq:
+deregister:
mei_cancel_work(dev);
mei_disable_interrupts(dev);
free_irq(pdev->irq, dev);
+ mei_deregister(dev);
end:
dev_err(&pdev->dev, "initialization failed.\n");
return err;
diff --git a/drivers/misc/mei/platform-vsc.c b/drivers/misc/mei/platform-vsc.c
index 288e7b72e942..9787b9cee71c 100644
--- a/drivers/misc/mei/platform-vsc.c
+++ b/drivers/misc/mei/platform-vsc.c
@@ -362,28 +362,27 @@ static int mei_vsc_probe(struct platform_device *pdev)
ret = mei_register(mei_dev, dev);
if (ret)
- goto err_dereg;
+ goto err;
ret = mei_start(mei_dev);
if (ret) {
dev_err_probe(dev, ret, "init hw failed\n");
- goto err_cancel;
+ goto err;
}
pm_runtime_enable(mei_dev->parent);
return 0;
-err_dereg:
- mei_deregister(mei_dev);
-
-err_cancel:
+err:
mei_cancel_work(mei_dev);
vsc_tp_register_event_cb(tp, NULL, NULL);
mei_disable_interrupts(mei_dev);
+ mei_deregister(mei_dev);
+
return ret;
}
generated by cgit (git 2.34.1) at 2025-12-08 19:55:29 +0000