On 06/22, Sylwester Nawrocki wrote:
> On 06/21/2017 09:08 PM, Krzysztof Kozlowski wrote:
> >Similarly to commit f1e9203e2366 ("clk: samsung: Fix Exynos 5420 pinctrl
> >setup and clock disable failure due to domain being gated") for
> >Exynos5420, the Exynos4412 also requires that EPLL is not disabled.
> >Otherwise any access to MAUDIO block will silently halt.
> >
> >This was not visible before because EPLL on Exynos4 could not be
> >disabled before commit 6edfa11cb396 ("clk: samsung:
> >Add enable/disable operation for PLL36XX clocks"). After this commit,
> >on Odroid U3 board one can see silent hang, 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)
> >
> >Mark Exynos4 variant as also needed EPLL to be enabled all the time.
> >
> >Signed-off-by: Krzysztof Kozlowski<[email protected]>
> Reviewed-by: Sylwester Nawrocki <[email protected]>
>
> Stephen, Mike,
>
> Can you please apply this patch directly?
>
Applied to clk-next.
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
