[U-Boot] [PATCH v1 2/2] odroid: usbhost - Add missing gpio_request call
Minkyu Kang
mk7.kang at samsung.com
Thu Nov 20 09:41:10 CET 2014
Dear Suriyan Ramasami,
On 20/11/14 01:21, Suriyan Ramasami wrote:
> The USB host code was missing gpio_request() calls before using the gpio
> functions, causing errors to be printed out.
>
> Signed-off-by: Suriyan Ramasami <suriyan.r at gmail.com>
>
> ---
>
> Changes in v1:
> - Added gpio_request() call in board_gpio_init()
>
> board/samsung/odroid/odroid.c | 13 +++++++++++--
> 1 file changed, 11 insertions(+), 2 deletions(-)
>
> diff --git a/board/samsung/odroid/odroid.c b/board/samsung/odroid/odroid.c
> index f7396ab..a2c008e 100644
> --- a/board/samsung/odroid/odroid.c
> +++ b/board/samsung/odroid/odroid.c
> @@ -382,6 +382,17 @@ static void board_gpio_init(void)
> gpio_set_pull(EXYNOS4X12_GPIO_X31, S5P_GPIO_PULL_UP);
> gpio_set_drv(EXYNOS4X12_GPIO_X31, S5P_GPIO_DRV_4X);
> gpio_direction_input(EXYNOS4X12_GPIO_X31);
> +
> +#ifdef CONFIG_CMD_USB
> + /* USB3503A Reference frequency */
> + gpio_request(EXYNOS4X12_GPIO_X30, "USB3503A RefFreq");
> +
> + /* USB3503A Connect */
> + gpio_request(EXYNOS4X12_GPIO_X34, "USB3503A Connect");
> +
> + /* USB3503A Reset */
> + gpio_request(EXYNOS4X12_GPIO_X35, "USB3503A Reset");
> +#endif
> }
>
> static int pmic_init_max77686(void)
> @@ -489,10 +500,8 @@ int board_usb_init(int index, enum usb_init_type init)
>
> p_pmic = pmic_get("MAX77686_PMIC");
> if (p_pmic && !pmic_probe(p_pmic)) {
> - max77686_set_buck_mode(p_pmic, 8, OPMODE_OFF);
> max77686_set_buck_voltage(p_pmic, 8, 750000);
> max77686_set_buck_voltage(p_pmic, 8, 3300000);
> - max77686_set_buck_mode(p_pmic, 8, OPMODE_ON);
why you remove those two lines?
This patch is for adding gpio_request call, and there's no explain for this change.
Thanks,
Minkyu Kang.
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