Re: [RESEND PATCH v3 01/10] mfd: arizona: Use devres to manage reset GPIO

From: Lee Jones
Date: Wed May 13 2015 - 08:20:37 EST


On Mon, 11 May 2015, Charles Keepax wrote:

> This also handily fixes a leak of the GPIO in arizona_dev_exit.
>
> Signed-off-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
> Acked-by: Lee Jones <lee.jones@xxxxxxxxxx>
> ---
> drivers/mfd/arizona-core.c | 10 ++++------
> 1 files changed, 4 insertions(+), 6 deletions(-)

Applied, thanks.

> 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 @@ 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,

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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