Re: [PATCH v2] spi: mediatek: single device does not require cs_gpios

From	Matthias Brugger <matthias.bgg@gmail.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2] spi: mediatek: single device does not require cs_gpios
Date	2015-11-17 11:50 +0100
Message-ID	<qvLZL-3Ro-7@gated-at.bofh.it> (permalink)
References	<qsM5Y-1kM-3@gated-at.bofh.it> <quyLf-6gI-5@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On 14/11/15 03:27, lei liu wrote:
> On Mon, 2015-11-09 at 12:14 +0800, Nicolas Boichat wrote:
>> When only one device is present, it is not necessary to specify
>> cs_gpios, as the CS line can be controlled by the hardware
>> module.
>>
>> Without this patch, older device tree bindings used before
>> 37457607 "spi: mediatek: mt8173 spi multiple devices support"
>> would cause a panic on boot. This fixes the crash, and
>> re-introduces backward compatibility.
>>
>> Signed-off-by: Nicolas Boichat <drinkcat@chromium.org>
>
> Acked-by: Leilk Liu <leilk.liu@mediatek.com>
>

Please make sure this fix get applied to v4.3 as well.

Thanks,
Matthias
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Re: [PATCH v2] spi: mediatek: single device does not require cs_gpios Matthias Brugger <matthias.bgg@gmail.com> - 2015-11-17 11:50 +0100

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