Subject: Re: [PATCH] clk: at91: avoid sleeping early

From: Stephen Boyd <[email-masked]>
Date: Mon, 23 Sep 2019 09:58:47 -0700

Quoting Alexandre Belloni (2019-09-20 08:39:06)
> It is not allowed to sleep to early in the boot process and this may lead
> to kernel issues if the bootloader didn't prepare the slow clock and main
> clock.
> 
> This results in the following error and dump stack on the AriettaG25:
>    bad: scheduling from the idle thread!
> 
> Ensure it is possible to sleep, else simply have a delay.
> 
> Reported-by: Uwe Kleine-König <[email-masked]>
> Signed-off-by: Alexandre Belloni <[email-masked]>
> ---
> 
> Note that this was already discussed a while ago and Arnd said this approach was
> reasonable:
>   https://lore.kernel.org/lkml/6120818.MyeJZ74hYa@wuerfel/

Does this need a Fixes: tag?

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