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| author |   Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2021-12-02 10:53:33 +0100 |
|---|---|---|
| committer | Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2021-12-02 15:42:46 +0100 |
| commit | 9e3562080950b6e3fe38a5e34ddd5b1c618f2019 (patch) | |
| tree | da0537417266aa409ada15f7db968d21cc1ca7b8 /drivers/hid/usbhid/hid-core.c | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid (diff) | |
| download | wireguard-linux-9e3562080950b6e3fe38a5e34ddd5b1c618f2019.tar.xz wireguard-linux-9e3562080950b6e3fe38a5e34ddd5b1c618f2019.zip | |
HID: add suspend/resume helpers
There is a lot of duplication of code in the HID low level drivers.
Better have everything in one place so we can eventually extend it
in a generic way.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20211202095334.14399-4-benjamin.tissoires@redhat.com
Diffstat (limited to 'drivers/hid/usbhid/hid-core.c')
| -rw-r--r-- | drivers/hid/usbhid/hid-core.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 2dcaf31eb9cd..54752c85604b 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -1563,8 +1563,8 @@ static int hid_resume_common(struct hid_device *hid, bool driver_suspended) int status = 0; hid_restart_io(hid); - if (driver_suspended && hid->driver && hid->driver->resume) - status = hid->driver->resume(hid); + if (driver_suspended) + status = hid_driver_resume(hid); return status; } @@ -1588,11 +1588,9 @@ static int hid_suspend(struct usb_interface *intf, pm_message_t message) { set_bit(HID_SUSPENDED, &usbhid->iofl); spin_unlock_irq(&usbhid->lock); - if (hid->driver && hid->driver->suspend) { - status = hid->driver->suspend(hid, message); - if (status < 0) - goto failed; - } + status = hid_driver_suspend(hid, message); + if (status < 0) + goto failed; driver_suspended = true; } else { usbhid_mark_busy(usbhid); @@ -1602,8 +1600,7 @@ static int hid_suspend(struct usb_interface *intf, pm_message_t message) } else { /* TODO: resume() might need to handle suspend failure */ - if (hid->driver && hid->driver->suspend) - status = hid->driver->suspend(hid, message); + status = hid_driver_suspend(hid, message); driver_suspended = true; spin_lock_irq(&usbhid->lock); set_bit(HID_SUSPENDED, &usbhid->iofl); @@ -1644,8 +1641,8 @@ static int hid_reset_resume(struct usb_interface *intf) int status; status = hid_post_reset(intf); - if (status >= 0 && hid->driver && hid->driver->reset_resume) { - int ret = hid->driver->reset_resume(hid); + if (status >= 0) { + int ret = hid_driver_reset_resume(hid); if (ret < 0) status = ret; } |