[PATCH 0/9] Fix Marvell mv63xxx I2C driver

Wolfram Sang wsa at the-dreams.de
Wed Jun 5 17:48:22 EDT 2013


On Thu, May 16, 2013 at 09:29:21PM +0100, Russell King - ARM Linux wrote:
> This patch series fixes a whole chunk of problems with this driver,
> discovered with the Marvell Armada 510 chip on the Solid-run cubox.
> 
> Most notable of these is the I2C driver aborting a transaction
> because a signal is pending - which might be SIGPIPE or SIGALRM
> for the process.  Meanwhile, the calling driver may be in the
> middle of a critical read-modify-write cycle on a device register,
> causing it to fail.
> 
> Other problems are race conditions in the handling of multi-part
> messages, where we end up sending multiple start conditions -
> sometimes more times than we have i2c_msg's to send.
> 
> Lastly is the rather poor probe error handling, which ranges from
> non-existent to lacking propagating the provided error code.

Applied rest of the series to for-next, thanks!

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