From: arnd@arndb.de (Arnd Bergmann)
Date: Fri, 16 Nov 2012 08:19:04 +0000
Subject: [PATCH 01/16] gpio: SPEAr: add spi chipselect control driver
In-Reply-To: <3702a1036f8e714e6d18e4726569bbb1eadd65bf.1353042873.git.viresh.kumar@linaro.org>
References: <4a92290e8a3b1a19c3a5e864edfa7badfc2af5d0.1352608333.git.viresh.kumar@linaro.org>
 <3702a1036f8e714e6d18e4726569bbb1eadd65bf.1353042873.git.viresh.kumar@linaro.org>
Message-ID: <201211160819.04343.arnd@arndb.de>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Friday 16 November 2012, Viresh Kumar wrote:
> From: Shiraz Hashim <shiraz.hashim@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@secretlab.ca>
> Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com>
> Reviewed-by: Vipin Kumar <vipin.kumar@st.com>
> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>

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