Commit 32852bca authored by Javier Martinez Canillas's avatar Javier Martinez Canillas Committed by Lee Jones
Browse files

mfd: twl6040: Check clk_prepare_enable() return value in twl6040_power() 



The clk_prepare_enable() function can fail so check the return
value and propagate the error in case of a failure.

Signed-off-by: default avatarJavier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent 38fc2eec

drivers/mfd/twl6040.c

+5 −1
Original line number Diff line number Diff line
@@ -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);