From mboxrd@z Thu Jan 1 00:00:00 1970 From: vaibhav.hiremath@linaro.org (Vaibhav Hiremath) Date: Thu, 04 Jun 2015 00:46:54 +0530 Subject: [PATCH 05/12] i2c: pxa: Add bus reset functionality In-Reply-To: References: <1432818224-17070-1-git-send-email-vaibhav.hiremath@linaro.org> <1432818224-17070-6-git-send-email-vaibhav.hiremath@linaro.org> Message-ID: <556F52A6.3060104@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tuesday 02 June 2015 06:42 PM, Linus Walleij wrote: > On Thu, May 28, 2015 at 3:03 PM, Vaibhav Hiremath > wrote: > >> From: Rob Herring >> >> 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 >> Signed-off-by: Rob Herring >> [vaibhav.hiremath at linaro.org: Updated Changelog] >> Signed-off-by: Vaibhav Hiremath >> >> Signed-off-by: Vaibhav Hiremath > > 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. Thanks, vaibhav