Re: [PATCH v7 4/4] gpiolib: Implement fast processing path in get/set array

From: Linus Walleij
Date: Thu Sep 20 2018 - 11:49:21 EST


On Thu, Sep 20, 2018 at 3:11 AM Marek Szyprowski
<m.szyprowski@xxxxxxxxxxx> wrote:

> I've just noticed that this patch landed in today's linux-next. Sadly it
> breaks booting of Exynos5250-based Samsung Snow Chromebook (ARM 32bit,
> device-tree source arch/arm/boot/dts/exynos5250-snow.dts).

Thanks for testing on this platform!

> Booting hangs after detecting MMC cards. Reverting this patch fixes the
> boot. I will try later to add some debugs and investigate it further what
> really happens when booting hangs.

How typical. I hope we can fix it, because this should mean speedups
for your platform.

Yours,
Linus Walleij