[PATCH 01/16] gpio: SPEAr: add spi chipselect control driver

[Arnd Bergmann]

On Friday 16 November 2012, Viresh Kumar wrote:
> From: Shiraz Hashim <shiraz.hashim at st.com>
> 
> SPEAr platform provides a provision to control chipselects of ARM PL022
> Prime Cell spi controller through its system registers, which otherwise
> remains under PL022 control which some protocols do not want.
> 
> This commit intends to provide the spi chipselect control in software over
> gpiolib interface. spi chip drivers can use the exported gpiolib interface to
> define their chipselect through DT or platform data.
> 
> Cc: Grant Likely <grant.likely at secretlab.ca>
> Signed-off-by: Shiraz Hashim <shiraz.hashim at st.com>
> Reviewed-by: Vipin Kumar <vipin.kumar at st.com>
> Signed-off-by: Viresh Kumar <viresh.kumar at linaro.org>

Acked-by: Arnd Bergmann <arnd at arndb.de>