linux-kernel - Re: [PATCH V4 3/3] i2c: qup: Fix error handling

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Date:	Sat, 18 Jun 2016 18:25:48 +0200
From:	Wolfram Sang <wsa@...-dreams.de>
To:	Sricharan R <sricharan@...eaurora.org>
Cc:	linux-arm-msm@...r.kernel.org, ntelkar@...eaurora.org,
	galak@...eaurora.org, linux-kernel@...r.kernel.org,
	andy.gross@...aro.org, linux-i2c@...r.kernel.org,
	agross@...eaurora.org, linux-arm-kernel@...ts.infradead.org,
	nkaje@...eaurora.org, absahu@...eaurora.org
Subject: Re: [PATCH V4 3/3] i2c: qup: Fix error handling

On Fri, Jun 10, 2016 at 11:38:21PM +0530, Sricharan R wrote:
> Among the bus errors reported from the QUP_MASTER_STATUS register
> only NACK is considered and transfer gets suspended, while
> other errors are ignored. Correct this and suspend the transfer
> for other errors as well. This avoids unnecessary 'timeouts' which
> happens when waiting for events that would never happen when there
> is already an error condition on the bus. Also the error handling
> procedure should be the same for both NACK and other bus errors in
> case of dma mode. So correct that as well.
> 
> Signed-off-by: Sricharan R <sricharan@...eaurora.org>

Applied to for-next, thanks!


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