linux-kernel - Re: [PATCH 1/1] spi: mediatek: add power control when set

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Message-ID: <20191024111920.GE5207@sirena.co.uk>
Date:   Thu, 24 Oct 2019 12:19:20 +0100
From:   Mark Brown <broonie@...nel.org>
To:     luhua xu <luhua.xu@...iatek.com>
Cc:     Matthias Brugger <matthias.bgg@...il.com>,
        linux-spi@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        wsd_upstream@...iatek.com
Subject: Re: [PATCH 1/1] spi: mediatek: add power control when set_cs

On Thu, Oct 24, 2019 at 06:11:20PM +0800, luhua xu wrote:

>       (3)Enable spi clk  in  controller->set_cs  callback,  such as
> spi-geni-qcom.c.    
>       My patch works the same as (3).For mtk platform, without this
> patch, if user do spi_setup(), cs setting cannot take effect, and reg
> access violation occurs.

Other drivers having problems isn't a good reason to introduce more
drivers with problems.

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