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path: root/drivers/misc/mei/pci-me.c
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Diffstat (limited to 'drivers/misc/mei/pci-me.c')
-rw-r--r--drivers/misc/mei/pci-me.c38
1 files changed, 6 insertions, 32 deletions
diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
index 676d566f38dd..1f0d983d3f06 100644
--- a/drivers/misc/mei/pci-me.c
+++ b/drivers/misc/mei/pci-me.c
@@ -295,11 +295,7 @@ end:
*/
static void mei_me_shutdown(struct pci_dev *pdev)
{
- struct mei_device *dev;
-
- dev = pci_get_drvdata(pdev);
- if (!dev)
- return;
+ struct mei_device *dev = pci_get_drvdata(pdev);
dev_dbg(&pdev->dev, "shutdown\n");
mei_stop(dev);
@@ -320,11 +316,7 @@ static void mei_me_shutdown(struct pci_dev *pdev)
*/
static void mei_me_remove(struct pci_dev *pdev)
{
- struct mei_device *dev;
-
- dev = pci_get_drvdata(pdev);
- if (!dev)
- return;
+ struct mei_device *dev = pci_get_drvdata(pdev);
if (mei_pg_is_enabled(dev))
pm_runtime_get_noresume(&pdev->dev);
@@ -353,9 +345,6 @@ static int mei_me_pci_suspend(struct device *device)
struct pci_dev *pdev = to_pci_dev(device);
struct mei_device *dev = pci_get_drvdata(pdev);
- if (!dev)
- return -ENODEV;
-
dev_dbg(&pdev->dev, "suspend\n");
mei_stop(dev);
@@ -371,14 +360,10 @@ static int mei_me_pci_suspend(struct device *device)
static int mei_me_pci_resume(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
- struct mei_device *dev;
+ struct mei_device *dev = pci_get_drvdata(pdev);
unsigned int irqflags;
int err;
- dev = pci_get_drvdata(pdev);
- if (!dev)
- return -ENODEV;
-
pci_enable_msi(pdev);
irqflags = pci_dev_msi_enabled(pdev) ? IRQF_ONESHOT : IRQF_SHARED;
@@ -419,13 +404,10 @@ static void mei_me_pci_complete(struct device *device)
#ifdef CONFIG_PM
static int mei_me_pm_runtime_idle(struct device *device)
{
- struct mei_device *dev;
+ struct mei_device *dev = dev_get_drvdata(device);
dev_dbg(device, "rpm: me: runtime_idle\n");
- dev = dev_get_drvdata(device);
- if (!dev)
- return -ENODEV;
if (mei_write_is_idle(dev))
pm_runtime_autosuspend(device);
@@ -434,15 +416,11 @@ static int mei_me_pm_runtime_idle(struct device *device)
static int mei_me_pm_runtime_suspend(struct device *device)
{
- struct mei_device *dev;
+ struct mei_device *dev = dev_get_drvdata(device);
int ret;
dev_dbg(device, "rpm: me: runtime suspend\n");
- dev = dev_get_drvdata(device);
- if (!dev)
- return -ENODEV;
-
mutex_lock(&dev->device_lock);
if (mei_write_is_idle(dev))
@@ -462,15 +440,11 @@ static int mei_me_pm_runtime_suspend(struct device *device)
static int mei_me_pm_runtime_resume(struct device *device)
{
- struct mei_device *dev;
+ struct mei_device *dev = dev_get_drvdata(device);
int ret;
dev_dbg(device, "rpm: me: runtime resume\n");
- dev = dev_get_drvdata(device);
- if (!dev)
- return -ENODEV;
-
mutex_lock(&dev->device_lock);
ret = mei_me_pg_exit_sync(dev);