Re: [PATCH 0/3 v2] usb/hid-core: drain URB queue when going to suspend

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On Thu, Nov 17, 2011 at 7:23 PM, Daniel Kurtz <djkurtz@xxxxxxxxxxxx> wrote:
>
> In some situations, trying to suspend a laptop with an attached USB keyboard
> would fail if both NumLock and CapsLock LEDs were lit.
> This was due to a race condition between asynchronously submitted
> LED-manipulating CTRL URBs and the suspend process.
>
> This is a different solution to the same problem highlighted here:
> https://lkml.org/lkml/2011/9/2/391
>
> These patches are against Jiri's hid/for-next branch.
>
> Daniel Kurtz (3):
>  HID: usbhid: remove LED_ON
>  HID: usbhid: hid-core: submit queued urbs before suspend
>  HID: usbhid: defer LED setting to a workqueue
>
> Differences since v1:
>  * Rebase on hid/for-next
>  * Solve race with usbhid_stop() [reported by Oliver Neukum]
>

Hi Jiri,

Any chance you can take a look at this patch set?

-Dan

>  drivers/hid/hid-input.c       |   42 +++++++
>  drivers/hid/usbhid/hid-core.c |  241 ++++++++++++++++++++++++-----------------
>  drivers/hid/usbhid/usbhid.h   |    3 +-
>  include/linux/hid.h           |    2 +
>  4 files changed, 187 insertions(+), 101 deletions(-)
>
> --
> 1.7.3.1
>
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