On Wed, 20 Apr 2016, Javier Martinez Canillas wrote:
> The clk_prepare_enable() function can fail so check the return
> value and propagate the error in case of a failure.
>
> Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
>
> ---
>
> drivers/mfd/twl6040.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
Applied, thanks.
> diff --git a/drivers/mfd/twl6040.c b/drivers/mfd/twl6040.c
> index 4de92c16dfb8..852d5874aabb 100644
> --- a/drivers/mfd/twl6040.c
> +++ b/drivers/mfd/twl6040.c
> @@ -291,7 +291,11 @@ int twl6040_power(struct twl6040 *twl6040, int on)
> if (twl6040->power_count++)
> goto out;
>
> - clk_prepare_enable(twl6040->clk32k);
> + ret = clk_prepare_enable(twl6040->clk32k);
> + if (ret) {
> + twl6040->power_count = 0;
> + goto out;
> + }
>
> /* Allow writes to the chip */
> regcache_cache_only(twl6040->regmap, false);
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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