On Fri, Mar 15, 2013 at 09:04:08PM +0530, Laxman Dewangan wrote:
> NVIDIA's Tegra SoC allows read/write of controller register only
> if controller clock is enabled. System hangs if read/write happens
> to registers without enabling clock.
> 
> clk_prepare_enable() can be fail due to unknown reason and hence
> adding check for return value of this function. If this function
> success then only access register otherwise return to caller with
> error.
> 
> Signed-off-by: Laxman Dewangan <ldewan...@nvidia.com>

Applied to for-current, thanks!
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