linux-kernel - Re: [PATCH AUTOSEL 6.4 04/26] spi: s3c64xx: change polling mode to optional

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Message-ID: <ZKsjHAaH41V8J+Dc@finisterre.sirena.org.uk>
Date:   Sun, 9 Jul 2023 22:14:04 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Sasha Levin <sashal@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Jaewon Kim <jaewon02.kim@...sung.com>, andi.shyti@...nel.org,
        krzysztof.kozlowski@...aro.org, linux-spi@...r.kernel.org,
        linux-samsung-soc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH AUTOSEL 6.4 04/26] spi: s3c64xx: change polling mode to
 optional

On Sun, Jul 09, 2023 at 11:12:33AM -0400, Sasha Levin wrote:
> From: Jaewon Kim <jaewon02.kim@...sung.com>
> 
> [ Upstream commit d1a7718ee8dbcc488d3243d52e19c755123e0024 ]
> 
> Previously, Polling mode was supported as quirk for SOC without DMA.
> To provide more flexible support for polling mode, it changed to polling
> mode when the 'dmas' property is not present in the devicetree, rather than
> using a quirk.

This is a new feature/performance improvement, not a fix.

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