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path: root/drivers/misc/mei/pci-txe.c
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Diffstat (limited to 'drivers/misc/mei/pci-txe.c')
-rw-r--r--drivers/misc/mei/pci-txe.c40
1 files changed, 6 insertions, 34 deletions
diff --git a/drivers/misc/mei/pci-txe.c b/drivers/misc/mei/pci-txe.c
index fa20d9a278..2a584104ba 100644
--- a/drivers/misc/mei/pci-txe.c
+++ b/drivers/misc/mei/pci-txe.c
@@ -166,11 +166,7 @@ end:
*/
static void mei_txe_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);
@@ -191,13 +187,7 @@ static void mei_txe_shutdown(struct pci_dev *pdev)
*/
static void mei_txe_remove(struct pci_dev *pdev)
{
- struct mei_device *dev;
-
- dev = pci_get_drvdata(pdev);
- if (!dev) {
- dev_err(&pdev->dev, "mei: dev == NULL\n");
- return;
- }
+ struct mei_device *dev = pci_get_drvdata(pdev);
pm_runtime_get_noresume(&pdev->dev);
@@ -218,9 +208,6 @@ static int mei_txe_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);
@@ -236,13 +223,9 @@ static int mei_txe_pci_suspend(struct device *device)
static int mei_txe_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);
int err;
- dev = pci_get_drvdata(pdev);
- if (!dev)
- return -ENODEV;
-
pci_enable_msi(pdev);
mei_clear_interrupts(dev);
@@ -273,13 +256,10 @@ static int mei_txe_pci_resume(struct device *device)
#ifdef CONFIG_PM
static int mei_txe_pm_runtime_idle(struct device *device)
{
- struct mei_device *dev;
+ struct mei_device *dev = dev_get_drvdata(device);
dev_dbg(device, "rpm: txe: runtime_idle\n");
- dev = dev_get_drvdata(device);
- if (!dev)
- return -ENODEV;
if (mei_write_is_idle(dev))
pm_runtime_autosuspend(device);
@@ -287,15 +267,11 @@ static int mei_txe_pm_runtime_idle(struct device *device)
}
static int mei_txe_pm_runtime_suspend(struct device *device)
{
- struct mei_device *dev;
+ struct mei_device *dev = dev_get_drvdata(device);
int ret;
dev_dbg(device, "rpm: txe: runtime suspend\n");
- dev = dev_get_drvdata(device);
- if (!dev)
- return -ENODEV;
-
mutex_lock(&dev->device_lock);
if (mei_write_is_idle(dev))
@@ -317,15 +293,11 @@ static int mei_txe_pm_runtime_suspend(struct device *device)
static int mei_txe_pm_runtime_resume(struct device *device)
{
- struct mei_device *dev;
+ struct mei_device *dev = dev_get_drvdata(device);
int ret;
dev_dbg(device, "rpm: txe: runtime resume\n");
- dev = dev_get_drvdata(device);
- if (!dev)
- return -ENODEV;
-
mutex_lock(&dev->device_lock);
mei_enable_interrupts(dev);