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mfd: arizona: Use devres to manage reset GPIO 

This also handily fixes a leak of the GPIO in arizona_dev_exit.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Charles Keepax 2015-05-11 13:58:01 +01:00 committed by Lee Jones
parent 6c284c9a34
commit 5f056bf042
1 changed files with 4 additions and 6 deletions
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10
drivers/mfd/arizona-core.c
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@ -728,9 +728,9 @@ int arizona_dev_init(struct arizona *arizona)
if (arizona->pdata.reset) {
/* Start out with /RESET low to put the chip into reset */
ret = gpio_request_one(arizona->pdata.reset,
GPIOF_DIR_OUT | GPIOF_INIT_LOW,
"arizona /RESET");
ret = devm_gpio_request_one(arizona->dev, arizona->pdata.reset,
GPIOF_DIR_OUT | GPIOF_INIT_LOW,
"arizona /RESET");
if (ret != 0) {
dev_err(dev, "Failed to request /RESET: %d\n", ret);
goto err_dcvdd;
@ -1046,10 +1046,8 @@ int arizona_dev_init(struct arizona *arizona)
err_irq:
arizona_irq_exit(arizona);
err_reset:
if (arizona->pdata.reset) {
if (arizona->pdata.reset)
gpio_set_value_cansleep(arizona->pdata.reset, 0);
gpio_free(arizona->pdata.reset);
}
regulator_disable(arizona->dcvdd);
err_enable:
regulator_bulk_disable(arizona->num_core_supplies,