[PATCH v2] spi: sirf: request and free cs gpio in setup and cleanup callbacks

[Mark Brown]

On Sun, May 03, 2015 at 10:30:12AM +0000, Barry Song wrote:
> From: Qipan Li <Qipan.Li at csr.com>
> 
> move spi controller's gpio request work out from probe() to spi device
> register stage, so after spi device register spi controller can deactive
> device's gpio chipselect. old code can't do it because gpio request has
> not be done until device register is finised in spi_bitbang_start.
> and add cleanup function to free CS gpio.

Applied, thanks.
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