linux-kernel - Re: [PATCH v2 2/2] spi: s3c64xx: add more debug prints.

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Date:	Tue, 28 Jul 2015 15:52:41 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Michal Suchanek <hramrach@...il.com>
Cc:	Kukjin Kim <kgene@...nel.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-spi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] spi: s3c64xx: add more debug prints.

On Tue, Jul 28, 2015 at 09:37:03AM -0000, Michal Suchanek wrote:
> The SPI transfers can mysteriously fail so add more debug prints about
> SPI parameters set by the driver.
> 
> The hardware specific SPI driver is the only place where the programmed
> SPI parameters are known so there is no other reasonable place for these
> prints.

For timing things there should already be enough information in the
trace points with better resolution.

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