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

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Message-ID: <CACRpkdYAKS50-CNmE0nRNQanFxKejoHrwxho3fZXROoLZUb4+Q@mail.gmail.com>
Date:   Mon, 6 Jan 2020 23:59:01 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Dmitry Osipenko <digetx@...il.com>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        linux-tegra@...r.kernel.org, devel@...verdev.osuosl.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 0/3] Tegra GPIO: Minor code clean up

On Sun, Dec 15, 2019 at 7:31 PM Dmitry Osipenko <digetx@...il.com> wrote:

> 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

All three patches applied with Thierry's review/test tag.

Yours,
Linus Walleij