lkml.org 
[lkml]   [2019]   [Dec]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v1 0/3] Tegra GPIO: Minor code clean up
From
Date
15.12.2019 21:30, Dmitry Osipenko пишет:
> Hello,
>
> I was investigating why CPU hangs during of GPIO driver suspend and in
> the end it turned out that it is a Broadcom WiFi driver problem because
> it keeps OOB wake-interrupt enabled while WLAN interface is DOWN and this
> may cause a bit weird CPU hang on writing to INT_ENB register during of
> GPIO driver suspend. Meanwhile I also noticed that a few things could be
> improved in the driver, that's what this small series addresses.
>
> Dmitry Osipenko (3):
> gpio: tegra: Use generic readl_relaxed/writel_relaxed accessors
> gpio: tegra: Properly handle irq_set_irq_wake() error
> gpio: tegra: Use NOIRQ phase for suspend/resume
>
> drivers/gpio/gpio-tegra.c | 21 ++++++++++-----------
> 1 file changed, 10 insertions(+), 11 deletions(-)
>

For the reference, here is the WiFi driver fix:

https://patchwork.ozlabs.org/patch/1209997/

\
 
 \ /
  Last update: 2019-12-16 15:46    [W:0.100 / U:0.104 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site