diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/pci/bt8xx/bttv-driver.c | 56 |
1 files changed, 16 insertions, 40 deletions
diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c index 2aba3e281321..1f62a9d8ea1d 100644 --- a/drivers/media/pci/bt8xx/bttv-driver.c +++ b/drivers/media/pci/bt8xx/bttv-driver.c @@ -4262,15 +4262,14 @@ static void bttv_remove(struct pci_dev *pci_dev) return; } -#ifdef CONFIG_PM -static int bttv_suspend(struct pci_dev *pci_dev, pm_message_t state) +static int __maybe_unused bttv_suspend(struct device *dev) { - struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); + struct v4l2_device *v4l2_dev = dev_get_drvdata(dev); struct bttv *btv = to_bttv(v4l2_dev); struct bttv_buffer_set idle; unsigned long flags; - dprintk("%d: suspend %d\n", btv->c.nr, state.event); + dprintk("%d: suspend\n", btv->c.nr); /* stop dma + irqs */ spin_lock_irqsave(&btv->s_lock,flags); @@ -4290,42 +4289,19 @@ static int bttv_suspend(struct pci_dev *pci_dev, pm_message_t state) btv->state.gpio_enable = btread(BT848_GPIO_OUT_EN); btv->state.gpio_data = gpio_read(); - /* save pci state */ - pci_save_state(pci_dev); - if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) { - pci_disable_device(pci_dev); - btv->state.disabled = 1; - } + btv->state.disabled = 1; return 0; } -static int bttv_resume(struct pci_dev *pci_dev) +static int __maybe_unused bttv_resume(struct device *dev) { - struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); + struct v4l2_device *v4l2_dev = dev_get_drvdata(dev); struct bttv *btv = to_bttv(v4l2_dev); unsigned long flags; - int err; dprintk("%d: resume\n", btv->c.nr); - /* restore pci state */ - if (btv->state.disabled) { - err=pci_enable_device(pci_dev); - if (err) { - pr_warn("%d: Can't enable device\n", btv->c.nr); - return err; - } - btv->state.disabled = 0; - } - err=pci_set_power_state(pci_dev, PCI_D0); - if (err) { - pci_disable_device(pci_dev); - pr_warn("%d: Can't enable device\n", btv->c.nr); - btv->state.disabled = 1; - return err; - } - - pci_restore_state(pci_dev); + btv->state.disabled = 0; /* restore bt878 state */ bttv_reinit_bt848(btv); @@ -4343,7 +4319,6 @@ static int bttv_resume(struct pci_dev *pci_dev) spin_unlock_irqrestore(&btv->s_lock,flags); return 0; } -#endif static const struct pci_device_id bttv_pci_tbl[] = { {PCI_VDEVICE(BROOKTREE, PCI_DEVICE_ID_BT848), 0}, @@ -4356,15 +4331,16 @@ static const struct pci_device_id bttv_pci_tbl[] = { MODULE_DEVICE_TABLE(pci, bttv_pci_tbl); +static SIMPLE_DEV_PM_OPS(bttv_pm_ops, + bttv_suspend, + bttv_resume); + static struct pci_driver bttv_pci_driver = { - .name = "bttv", - .id_table = bttv_pci_tbl, - .probe = bttv_probe, - .remove = bttv_remove, -#ifdef CONFIG_PM - .suspend = bttv_suspend, - .resume = bttv_resume, -#endif + .name = "bttv", + .id_table = bttv_pci_tbl, + .probe = bttv_probe, + .remove = bttv_remove, + .driver.pm = &bttv_pm_ops, }; static int __init bttv_init_module(void) |