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path: root/drivers/media/pci/cx88/cx88-video.c
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Diffstat (limited to 'drivers/media/pci/cx88/cx88-video.c')
-rw-r--r--drivers/media/pci/cx88/cx88-video.c60
1 files changed, 16 insertions, 44 deletions
diff --git a/drivers/media/pci/cx88/cx88-video.c b/drivers/media/pci/cx88/cx88-video.c
index ba0e9660a047..e7fd7516787c 100644
--- a/drivers/media/pci/cx88/cx88-video.c
+++ b/drivers/media/pci/cx88/cx88-video.c
@@ -385,8 +385,7 @@ static int start_video_dma(struct cx8800_dev *dev,
return 0;
}
-#ifdef CONFIG_PM
-static int stop_video_dma(struct cx8800_dev *dev)
+static int __maybe_unused stop_video_dma(struct cx8800_dev *dev)
{
struct cx88_core *core = dev->core;
@@ -402,8 +401,8 @@ static int stop_video_dma(struct cx8800_dev *dev)
return 0;
}
-static int restart_video_queue(struct cx8800_dev *dev,
- struct cx88_dmaqueue *q)
+static int __maybe_unused restart_video_queue(struct cx8800_dev *dev,
+ struct cx88_dmaqueue *q)
{
struct cx88_buffer *buf;
@@ -415,7 +414,6 @@ static int restart_video_queue(struct cx8800_dev *dev,
}
return 0;
}
-#endif
/* ------------------------------------------------------------------ */
@@ -1551,10 +1549,9 @@ static void cx8800_finidev(struct pci_dev *pci_dev)
kfree(dev);
}
-#ifdef CONFIG_PM
-static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
+static int __maybe_unused cx8800_suspend(struct device *dev_d)
{
- struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
+ struct cx8800_dev *dev = dev_get_drvdata(dev_d);
struct cx88_core *core = dev->core;
unsigned long flags;
@@ -1575,40 +1572,17 @@ static int cx8800_suspend(struct pci_dev *pci_dev, pm_message_t state)
/* FIXME -- shutdown device */
cx88_shutdown(core);
- pci_save_state(pci_dev);
- if (pci_set_power_state(pci_dev,
- pci_choose_state(pci_dev, state)) != 0) {
- pci_disable_device(pci_dev);
- dev->state.disabled = 1;
- }
+ dev->state.disabled = 1;
return 0;
}
-static int cx8800_resume(struct pci_dev *pci_dev)
+static int __maybe_unused cx8800_resume(struct device *dev_d)
{
- struct cx8800_dev *dev = pci_get_drvdata(pci_dev);
+ struct cx8800_dev *dev = dev_get_drvdata(dev_d);
struct cx88_core *core = dev->core;
unsigned long flags;
- int err;
- if (dev->state.disabled) {
- err = pci_enable_device(pci_dev);
- if (err) {
- pr_err("can't enable device\n");
- return err;
- }
-
- dev->state.disabled = 0;
- }
- err = pci_set_power_state(pci_dev, PCI_D0);
- if (err) {
- pr_err("can't set power state\n");
- pci_disable_device(pci_dev);
- dev->state.disabled = 1;
-
- return err;
- }
- pci_restore_state(pci_dev);
+ dev->state.disabled = 0;
/* FIXME: re-initialize hardware */
cx88_reset(core);
@@ -1631,7 +1605,6 @@ static int cx8800_resume(struct pci_dev *pci_dev)
return 0;
}
-#endif
/* ----------------------------------------------------------- */
@@ -1647,15 +1620,14 @@ static const struct pci_device_id cx8800_pci_tbl[] = {
};
MODULE_DEVICE_TABLE(pci, cx8800_pci_tbl);
+static SIMPLE_DEV_PM_OPS(cx8800_pm_ops, cx8800_suspend, cx8800_resume);
+
static struct pci_driver cx8800_pci_driver = {
- .name = "cx8800",
- .id_table = cx8800_pci_tbl,
- .probe = cx8800_initdev,
- .remove = cx8800_finidev,
-#ifdef CONFIG_PM
- .suspend = cx8800_suspend,
- .resume = cx8800_resume,
-#endif
+ .name = "cx8800",
+ .id_table = cx8800_pci_tbl,
+ .probe = cx8800_initdev,
+ .remove = cx8800_finidev,
+ .driver.pm = &cx8800_pm_ops,
};
module_pci_driver(cx8800_pci_driver);