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SubjectRe: [PATCH] i2c: tegra: check the clk_prepare_enable() return value
On 03/15/2013 09:34 AM, 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.

Wolfram,

Reviewed-by: Stephen Warren <swarren@nvidia.com>

This is probably suitable for Cc: stable.


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