From mboxrd@z Thu Jan  1 00:00:00 1970
From: Minkyu Kang <mk7.kang@samsung.com>
Date: Thu, 20 Nov 2014 17:41:10 +0900
Subject: [U-Boot] [PATCH v1 2/2] odroid: usbhost - Add missing
 gpio_request call
In-Reply-To: <1416414090-4058-2-git-send-email-suriyan.r@gmail.com>
References: <1416414090-4058-1-git-send-email-suriyan.r@gmail.com>
	<1416414090-4058-2-git-send-email-suriyan.r@gmail.com>
Message-ID: <546DA926.4000404@samsung.com>
List-Id: <u-boot.lists.denx.de>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
To: u-boot@lists.denx.de

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@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.