linux-kernel - Re: [PATCH 1/8] spi: spi-s3c64xx: swap s3c64xx_spi_set_cs() and s3c64xx_enable

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Message-ID: <20200819125822.GA18970@kozik-lap>
Date:   Wed, 19 Aug 2020 14:58:22 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Lukasz Stelmach <l.stelmach@...sung.com>
Cc:     Kukjin Kim <kgene@...nel.org>, Andi Shyti <andi@...zian.org>,
        Mark Brown <broonie@...nel.org>, linux-spi@...r.kernel.org,
        linux-samsung-soc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        m.szyprowski@...sung.com, b.zolnierkie@...sung.com
Subject: Re: [PATCH 1/8] spi: spi-s3c64xx: swap s3c64xx_spi_set_cs() and
 s3c64xx_enable_datapath()

On Wed, Aug 19, 2020 at 02:51:27PM +0200, Lukasz Stelmach wrote:
> It was <2020-08-19 śro 14:38>, when Krzysztof Kozlowski wrote:
> > On Wed, Aug 19, 2020 at 02:32:01PM +0200, Łukasz Stelmach wrote:
> >> Fix issues with DMA transfers bigger than 512 on Exynos3250.
> >
> > Fix, but how? With proper explanation this should go to CC-stable.
> 
> Honestly, I don't know and I couldn't find out why. It makes stuff
> work. There has been a commit like this before
> 
>     0f5a751ace25 spi/s3c64xx: Enable GPIO /CS prior to starting hardware
> 
> Apparently, it was lost in
> 
>     0732a9d2a155 spi/s3c64xx: Use core message handling

Then describe at least this... maybe Mark knows why he brough back old
code after refactoring?

Best regards,
Krzysztof