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Re: [v4.13-rc1 fixes] ARM: dts: exynos: Add clocks to audss block to fix silent hang on Exynos4412

From Arnd Bergmann <arnd@arndb.de>
Newsgroups linux.kernel
Subject Re: [v4.13-rc1 fixes] ARM: dts: exynos: Add clocks to audss block to fix silent hang on Exynos4412
Date 2017-07-27 13:00 +0200
Message-ID <u7OGm-556-15@gated-at.bofh.it> (permalink)
References <u4kbM-Pt-39@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Mon, Jul 17, 2017 at 9:45 PM, Krzysztof Kozlowski <krzk@kernel.org> wrote:
> Add necessary parent clocks for audss (Audio SubSystem, MAUDIO) clock
> controller block.
>
> This allows driver to keep EPLL enabled before accessing any MAUDIO
> registers thus fixing silent hang.  This silent hang appeared with
> commit 6edfa11cb396 ("clk: samsung: Add enable/disable operation for
> PLL36XX clocks"), e.g. on Odroid U3 usually with last (but unrelated)
> messages:
>
>         [    2.382741] input: gpio_keys as /devices/platform/gpio_keys/input/input0
>         [    2.405686] usb 1-3: new high-speed USB device number 3 using exynos-ehci
>         [    2.419843] max77686-rtc max77686-rtc: setting system clock to 2017-06-21 17:04:13 UTC (1498064653)
>
> Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
> ---
>
> Hi Arnd, Olof,
>
> I have only one patch in fixes queue for v4.13, so how about applying this
> directly without a pull request?

No problem, I was just a little slow here. Applied to fixes now, thanks.

      Arnd

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Re: [v4.13-rc1 fixes] ARM: dts: exynos: Add clocks to audss block to  fix silent hang on Exynos4412 Arnd Bergmann <arnd@arndb.de> - 2017-07-27 13:00 +0200

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