From mboxrd@z Thu Jan  1 00:00:00 1970
From: tgih.jun@samsung.com (Seungwon Jeon)
Date: Thu, 07 Mar 2013 20:02:10 +0900
Subject: [PATCH] mmc: dwmmc: let device core setup the default pin
 configuration
In-Reply-To: <1362571461-14570-1-git-send-email-thomas.abraham@linaro.org>
References: <1362571461-14570-1-git-send-email-thomas.abraham@linaro.org>
Message-ID: <000e01ce1b23$375166d0$a5f43470$%jun@samsung.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

Hi Thomas,

On Wednesday, March 06, 2013, Thomas Abraham wrote:
> With device core now able to setup the default pin configuration,
> the pin configuration code based on the deprecated Samsung specific
> gpio bindings is removed.

'setup_bus' callback is still useful in dw_mci_drv_data?
Considering the purpose, it would be good to remove.
And, could you change commit prefix for consistency?
dwmmc -> dw_mmc

Thanks,
Seungwon Jeon
> 
> Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
> ---
>  drivers/mmc/host/dw_mmc-exynos.c |   38 --------------------------------------
>  1 files changed, 0 insertions(+), 38 deletions(-)
> 
> diff --git a/drivers/mmc/host/dw_mmc-exynos.c b/drivers/mmc/host/dw_mmc-exynos.c
> index 72fd0f2..467d043 100644
> --- a/drivers/mmc/host/dw_mmc-exynos.c
> +++ b/drivers/mmc/host/dw_mmc-exynos.c
> @@ -152,43 +152,6 @@ static int dw_mci_exynos_parse_dt(struct dw_mci *host)
>  	return 0;
>  }
> 
> -static int dw_mci_exynos_setup_bus(struct dw_mci *host,
> -				struct device_node *slot_np, u8 bus_width)
> -{
> -	int idx, gpio, ret;
> -
> -	if (!slot_np)
> -		return -EINVAL;
> -
> -	/* cmd + clock + bus-width pins */
> -	for (idx = 0; idx < NUM_PINS(bus_width); idx++) {
> -		gpio = of_get_gpio(slot_np, idx);
> -		if (!gpio_is_valid(gpio)) {
> -			dev_err(host->dev, "invalid gpio: %d\n", gpio);
> -			return -EINVAL;
> -		}
> -
> -		ret = devm_gpio_request(host->dev, gpio, "dw-mci-bus");
> -		if (ret) {
> -			dev_err(host->dev, "gpio [%d] request failed\n", gpio);
> -			return -EBUSY;
> -		}
> -	}
> -
> -	if (host->pdata->quirks & DW_MCI_QUIRK_BROKEN_CARD_DETECTION)
> -		return 0;
> -
> -	gpio = of_get_named_gpio(slot_np, "samsung,cd-pinmux-gpio", 0);
> -	if (gpio_is_valid(gpio)) {
> -		if (devm_gpio_request(host->dev, gpio, "dw-mci-cd"))
> -			dev_err(host->dev, "gpio [%d] request failed\n", gpio);
> -	} else {
> -		dev_info(host->dev, "cd gpio not available");
> -	}
> -
> -	return 0;
> -}
> -
>  /* Exynos5250 controller specific capabilities */
>  static unsigned long exynos5250_dwmmc_caps[4] = {
>  	MMC_CAP_UHS_DDR50 | MMC_CAP_1_8V_DDR |
> @@ -205,7 +168,6 @@ static const struct dw_mci_drv_data exynos5250_drv_data = {
>  	.prepare_command	= dw_mci_exynos_prepare_command,
>  	.set_ios		= dw_mci_exynos_set_ios,
>  	.parse_dt		= dw_mci_exynos_parse_dt,
> -	.setup_bus		= dw_mci_exynos_setup_bus,
>  };
> 
>  static const struct of_device_id dw_mci_exynos_match[] = {
> --
> 1.6.6.rc2
> 
> --
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