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From: Dmitry Osipenko <digetx@gmail.com>
To: Thierry Reding <thierry.reding@gmail.com>,
	Jonathan Hunter <jonathanh@nvidia.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: linux-gpio@vger.kernel.org, linux-tegra@vger.kernel.org,
	devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1 0/3] Tegra GPIO: Minor code clean up
Date: Mon, 16 Dec 2019 17:45:57 +0300	[thread overview]
Message-ID: <b108c394-cdbc-e6c7-1688-69e05eea2279@gmail.com> (raw)
In-Reply-To: <20191215183047.9414-1-digetx@gmail.com>

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/

  parent reply	other threads:[~2019-12-16 14:46 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-15 18:30 [PATCH v1 0/3] Tegra GPIO: Minor code clean up Dmitry Osipenko
2019-12-15 18:30 ` [PATCH v1 1/3] gpio: tegra: Use generic readl_relaxed/writel_relaxed accessors Dmitry Osipenko
2019-12-19 11:01   ` Bartosz Golaszewski
2019-12-19 15:25     ` Dmitry Osipenko
2019-12-19 15:57     ` Ben Dooks
2019-12-19 16:34       ` Dmitry Osipenko
2019-12-15 18:30 ` [PATCH v1 2/3] gpio: tegra: Properly handle irq_set_irq_wake() error Dmitry Osipenko
2019-12-15 18:30 ` [PATCH v1 3/3] gpio: tegra: Use NOIRQ phase for suspend/resume Dmitry Osipenko
2019-12-16 14:45 ` Dmitry Osipenko [this message]
2019-12-19 14:53 ` [PATCH v1 0/3] Tegra GPIO: Minor code clean up Thierry Reding
2019-12-19 15:26   ` Dmitry Osipenko
2020-01-06 22:59 ` Linus Walleij
2020-01-07  8:25   ` Bartosz Golaszewski
2020-01-07  9:29     ` Linus Walleij
2020-01-07  9:31       ` Bartosz Golaszewski
2020-01-07 12:38         ` Linus Walleij

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