Re: [PATCH] i2c: tegra: check the clk_prepare_enable() return value

From: Wolfram Sang
Date: Fri Mar 22 2013 - 05:31:26 EST

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 <ldewangan@xxxxxxxxxx>

Applied to for-current, thanks!
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