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>
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index aed43a5..915cc28 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -728,9 +728,9 @@
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 @@
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,