APPLIED(B,D): [SRU] [B/D/E/Unstable/OEM-B/OEM-OSP1-B] [PATCH 0/1] Fix touchpad IRQ storm after S3

Khaled Elmously khalid.elmously at canonical.com
Tue Sep 3 05:50:30 UTC 2019


On 2019-08-26 12:41:23 , Kai-Heng Feng wrote:
> BugLink: https://bugs.launchpad.net/bugs/1841396
> 
> [Impact]
> IRQ storm generated from touchpad after S3, renders touchpad useless.
> 
> [Fix]
> gpiolib routines expect pin offset instead of pin number. Passing correct
> pin offset can solve the issue.
> 
> [Test]
> With the patch applied the issue doesn't happen anymore on HP Zbook 17
> G5.
> 
> [Regression Potential]
> Low. Though there are many users of pinctrl-intel, this make it
> correctly uses gpiolib.
> 
> Chris Chiu (1):
>   pinctrl: intel: remap the pin number to gpio offset for irq enabled
>     pin
> 
>  drivers/pinctrl/intel/pinctrl-intel.c | 25 ++++++++++++++++++++++++-
>  1 file changed, 24 insertions(+), 1 deletion(-)
> 
> -- 
> 2.17.1
> 
> 
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