[PATCH 05/12] i2c: pxa: Add bus reset functionality

Vaibhav Hiremath vaibhav.hiremath at linaro.org
Wed Jun 3 12:16:54 PDT 2015

On Tuesday 02 June 2015 06:42 PM, Linus Walleij wrote:
> On Thu, May 28, 2015 at 3:03 PM, Vaibhav Hiremath
> <vaibhav.hiremath at linaro.org> wrote:
>> From: Rob Herring <robh at kernel.org>
>> Since there is some problematic i2c slave devices on some
>> platforms such as dkb (sometimes), it will drop down sda
>> and make i2c bus hang, at that time, it need to config
>> scl/sda into gpio to simulate "stop" sequence to recover
>> i2c bus, so add this interface.
>> Signed-off-by: Leilei Shang <shangll at marvell.com>
>> Signed-off-by: Rob Herring <robh at kernel.org>
>> [vaibhav.hiremath at linaro.org: Updated Changelog]
>> Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath at linaro.org>
>> Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath at linaro.org>
> Double signed-off?

Thanks for your review.

Based on review comments on the list, i will have to change this patch
to use generic gpio reset implementation available in i2c-core.

Having said that, I am still sure whether GPIO lib (request/free)
would handle pinctrl configuration.


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