linux-kernel - Re: [PATCH] spi: imx: wait_for_completion

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Message-ID: <20160701150134.GR6247@sirena.org.uk>
Date:	Fri, 1 Jul 2016 17:01:34 +0200
From:	Mark Brown <broonie@...nel.org>
To:	Christian Gmeiner <christian.gmeiner@...il.com>
Cc:	linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] spi: imx: wait_for_completion_timeout(..) for PIO
 transfers

On Fri, Jul 01, 2016 at 02:32:58PM +0200, Christian Gmeiner wrote:
> In some rare cases I see the following 'task blocked' information. It
> looks like the PIO transfer has some problems and never succeeds. Make
> use of wait_for_completion_timeout(..) to detect this case and
> return -ETIMEDOUT.
> 
> v2: remove backtrace from commit message

Please do not submit new versions of already applied patches, please
submit incremental updates to the existing code.  Modifying existing
commits creates problems for other users building on top of those
commits so it's best practice to only change pubished git commits if
absolutely essential.

If you're including an inter-version changelog please keep it after the
--- as covered in SubmittingPatches.

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