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Date:   Mon, 19 Sep 2022 15:41:47 +0100
From:   Mark Brown <broonie@kernel.org>
To:     Vincent Whitchurch <vincent.whitchurch@axis.com>
Cc:     krzysztof.kozlowski@linaro.org, andi@etezian.org, kernel@axis.com,
        alim.akhtar@samsung.com, linux-spi@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/4] spi: spi-loopback-test: Add test to trigger DMA/PIO
 mixing
Message-ID: <Yyh/q5Ql8/QbCXqA@sirena.org.uk>
References: <20220916113951.228398-1-vincent.whitchurch@axis.com>
 <20220916113951.228398-2-vincent.whitchurch@axis.com>
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On Fri, Sep 16, 2022 at 01:39:48PM +0200, Vincent Whitchurch wrote:
> Add a test where a small and a large transfer in a message hit the same
> cache line.  This test currently fails on spi-s3c64xx on in DMA mode
> since it ends up mixing DMA and PIO without proper cache maintenance.

To make life easier with sending fixes as such fixes should come
at the start of a patch series and new features at the end.  This
avoids creating spurious dependencies.

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