Messages in this thread | | | Date | Fri, 15 Mar 2013 13:32:49 -0600 | From | Stephen Warren <> | Subject | Re: [PATCH] i2c: tegra: check the clk_prepare_enable() return value |
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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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