linux-kernel - Re: [PATCH v1 0/3] Tegra GPIO: Minor code clean up

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Date:   Thu, 19 Dec 2019 18:26:08 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>
Cc:     Jonathan Hunter <jonathanh@...dia.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        linux-gpio@...r.kernel.org, linux-tegra@...r.kernel.org,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 0/3] Tegra GPIO: Minor code clean up

19.12.2019 17:53, Thierry Reding пишет:
> On Sun, Dec 15, 2019 at 09:30:44PM +0300, Dmitry Osipenko wrote:
>> 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(-)
> 
> Patches look good:
> 
> Reviewed-by: Thierry Reding <treding@...dia.com>
> 
> I also applied this series on top of v5.5-rc1 and ran it through our
> test system:
> 
>     Test results:
>         13 builds:  13 pass, 0 fail
>         22 boots:   22 pass, 0 fail
>         34 tests:   34 pass, 0 fail
> 
>     Linux version:  5.5.0-rc1-g3d0b4fced39e
>     Boards tested:  tegra124-jetson-tk1, tegra186-p2771-0000,
>                     tegra194-p2972-0000, tegra20-ventana,
>                     tegra210-p2371-2180, tegra30-cardhu-a04
> 
> All tests passing, so:
> 
> Tested-by: Thierry Reding <treding@...dia.com>
> 

Thank you very much!