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author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-08-07 22:00:53 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-08-07 22:00:53 +0200 |
commit | fa73e212318a3277ae1f304febbc617c75d4d2db (patch) | |
tree | 54fea325ba419be2388cb9515e778f5c0d9a2f8c /drivers/media/pci/sta2x11/sta2x11_vip.c | |
parent | Merge tag 'mailbox-v5.9' of git://git.linaro.org/landing-teams/working/fujits... (diff) | |
parent | media: camss: fix memory leaks on error handling paths in probe (diff) | |
download | linux-fa73e212318a3277ae1f304febbc617c75d4d2db.tar.xz linux-fa73e212318a3277ae1f304febbc617c75d4d2db.zip |
Merge tag 'media/v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- Legacy soc_camera driver was removed from staging
- New I2C sensor related drivers: dw9768, ch7322, max9271, rdacm20
- TI vpe driver code was re-organized and had new features added
- Added Xilinx MIPI CSI-2 Rx Subsystem driver
- Added support for Infrared Toy and IR Droid devices
- Lots of random driver fixes, new features and cleanups
* tag 'media/v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (318 commits)
media: camss: fix memory leaks on error handling paths in probe
media: davinci: vpif_capture: fix potential double free
media: radio: remove redundant assignment to variable retval
media: allegro: fix potential null dereference on header
media: mtk-mdp: Fix a refcounting bug on error in init
media: allegro: fix an error pointer vs NULL check
media: meye: fix missing pm_mchip_mode field
media: cafe-driver: use generic power management
media: saa7164: use generic power management
media: v4l2-dev/ioctl: Fix document for VIDIOC_QUERYCAP
media: v4l2: Correct kernel-doc inconsistency
media: v4l2: Correct kernel-doc inconsistency
media: dvbdev.h: keep * together with the type
media: v4l2-subdev.h: keep * together with the type
media: videobuf2: Print videobuf2 buffer state by name
media: colorspaces-details.rst: fix V4L2_COLORSPACE_JPEG description
media: tw68: use generic power management
media: meye: use generic power management
media: cx88: use generic power management
media: cx25821: use generic power management
...
Diffstat (limited to 'drivers/media/pci/sta2x11/sta2x11_vip.c')
-rw-r--r-- | drivers/media/pci/sta2x11/sta2x11_vip.c | 63 |
1 files changed, 15 insertions, 48 deletions
diff --git a/drivers/media/pci/sta2x11/sta2x11_vip.c b/drivers/media/pci/sta2x11/sta2x11_vip.c index 798574cfad35..0fdb0fd6e764 100644 --- a/drivers/media/pci/sta2x11/sta2x11_vip.c +++ b/drivers/media/pci/sta2x11/sta2x11_vip.c @@ -1167,21 +1167,18 @@ static void sta2x11_vip_remove_one(struct pci_dev *pdev) */ } -#ifdef CONFIG_PM - /** * sta2x11_vip_suspend - set device into power save mode - * @pdev: PCI device - * @state: new state of device + * @dev_d: PCI device * * all relevant registers are saved and an attempt to set a new state is made. * * return value: 0 always indicate success, * even if device could not be disabled. (workaround for hardware problem) */ -static int sta2x11_vip_suspend(struct pci_dev *pdev, pm_message_t state) +static int __maybe_unused sta2x11_vip_suspend(struct device *dev_d) { - struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev); + struct v4l2_device *v4l2_dev = dev_get_drvdata(dev_d); struct sta2x11_vip *vip = container_of(v4l2_dev, struct sta2x11_vip, v4l2_dev); unsigned long flags; @@ -1198,15 +1195,8 @@ static int sta2x11_vip_suspend(struct pci_dev *pdev, pm_message_t state) vip->register_save_area[SAVE_COUNT + IRQ_COUNT + i] = reg_read(vip, registers_to_save[i]); spin_unlock_irqrestore(&vip->slock, flags); - /* save pci state */ - pci_save_state(pdev); - if (pci_set_power_state(pdev, pci_choose_state(pdev, state))) { - /* - * do not call pci_disable_device on sta2x11 because it - * break all other Bus masters on this EP - */ - vip->disabled = 1; - } + + vip->disabled = 1; pr_info("VIP: suspend\n"); return 0; @@ -1214,45 +1204,23 @@ static int sta2x11_vip_suspend(struct pci_dev *pdev, pm_message_t state) /** * sta2x11_vip_resume - resume device operation - * @pdev : PCI device - * - * re-enable device, set PCI state to powered and restore registers. - * resume normal device operation afterwards. + * @dev_d : PCI device * * return value: 0, no error. * * other, could not set device to power on state. */ -static int sta2x11_vip_resume(struct pci_dev *pdev) +static int __maybe_unused sta2x11_vip_resume(struct device *dev_d) { - struct v4l2_device *v4l2_dev = pci_get_drvdata(pdev); + struct v4l2_device *v4l2_dev = dev_get_drvdata(dev_d); struct sta2x11_vip *vip = container_of(v4l2_dev, struct sta2x11_vip, v4l2_dev); unsigned long flags; - int ret, i; + int i; pr_info("VIP: resume\n"); - /* restore pci state */ - if (vip->disabled) { - ret = pci_enable_device(pdev); - if (ret) { - pr_warn("VIP: Can't enable device.\n"); - return ret; - } - vip->disabled = 0; - } - ret = pci_set_power_state(pdev, PCI_D0); - if (ret) { - /* - * do not call pci_disable_device on sta2x11 because it - * break all other Bus masters on this EP - */ - pr_warn("VIP: Can't enable device.\n"); - vip->disabled = 1; - return ret; - } - pci_restore_state(pdev); + vip->disabled = 0; spin_lock_irqsave(&vip->slock, flags); for (i = 1; i < SAVE_COUNT; i++) @@ -1266,22 +1234,21 @@ static int sta2x11_vip_resume(struct pci_dev *pdev) return 0; } -#endif - static const struct pci_device_id sta2x11_vip_pci_tbl[] = { {PCI_DEVICE(PCI_VENDOR_ID_STMICRO, PCI_DEVICE_ID_STMICRO_VIP)}, {0,} }; +static SIMPLE_DEV_PM_OPS(sta2x11_vip_pm_ops, + sta2x11_vip_suspend, + sta2x11_vip_resume); + static struct pci_driver sta2x11_vip_driver = { .name = KBUILD_MODNAME, .probe = sta2x11_vip_init_one, .remove = sta2x11_vip_remove_one, .id_table = sta2x11_vip_pci_tbl, -#ifdef CONFIG_PM - .suspend = sta2x11_vip_suspend, - .resume = sta2x11_vip_resume, -#endif + .driver.pm = &sta2x11_vip_pm_ops, }; static int __init sta2x11_vip_init_module(void) |