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From: Kukjin Kim <kgene.kim@samsung.com>
To: Thomas Abraham <thomas.abraham@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
	linus.walleij@linaro.org, kgene.kim@samsung.com,
	patches@linaro.org
Subject: Re: [PATCH 5/5] mmc: sdhci-s3c: setup pins using pinctrl interface
Date: Sun, 11 Mar 2012 14:25:23 -0700	[thread overview]
Message-ID: <4F5D1843.1010608@samsung.com> (raw)
In-Reply-To: <1331469965-28846-6-git-send-email-thomas.abraham@linaro.org>

Thomas Abraham wrote:
> The platform specific callback to setup the sdhci pin mux and pin config
> is removed and the pinctrl subsystem interface is used to setup the
> mux and config.
> 
> Signed-off-by: Thomas Abraham<thomas.abraham@linaro.org>
> ---
>   drivers/mmc/host/sdhci-s3c.c |   15 +++++++++++++--
>   1 files changed, 13 insertions(+), 2 deletions(-)
> 
[...]

> 
> +#include<plat/map-s5p.h>
> +#include<plat/map-base.h>

You can add <mach/map.h> instead of above.

> +
>   static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
>   {
>   	struct s3c_sdhci_platdata *pdata;
> @@ -538,6 +543,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
>   	struct sdhci_s3c *sc;
>   	struct resource *res;
>   	int ret, irq, ptr, clks;
> +	char *pstate;
> 
>   	if (!pdev->dev.platform_data&&  !pdev->dev.of_node) {
>   		dev_err(dev, "no device data specified\n");
> @@ -643,8 +649,13 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
>   	}
> 
>   	/* Ensure we have minimal gpio selected CMD/CLK/Detect */
> -	if (pdata->cfg_gpio)
> -		pdata->cfg_gpio(pdev, pdata->max_width);

I'm not sure we can remove above now for all of Samsung stuff?

> +	pstate = pdata->max_width ? "sdhci-pcfg8" : "sdhci-pcfg4";

Is this right? Current max_width can be 4 or 8 in each board file now.

> +	sc->pinctrl = pinctrl_get_select(&pdev->dev, pstate);
> +	if (IS_ERR(sc->pinctrl)) {
> +		dev_err(dev, "failed to setup pin configuration\n");
> +		ret = -ENXIO;
> +		goto err_req_regs;
> +	}
> 
>   	host->hw_name = "samsung-hsmmc";
>   	host->ops =&sdhci_s3c_ops;

Thanks.

Best regards,
Kgene.
--
Kukjin Kim <kgene.kim@samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.

  reply	other threads:[~2012-03-11 21:26 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-11 12:46 [PATCH 0/5] pinctrl: add new Samsung pinctrl driver and add Exynos4 support Thomas Abraham
2012-03-11 12:46 ` [PATCH 1/5] pinctrl: add samsung pinctrl and gpiolib driver Thomas Abraham
2012-03-19 21:45   ` Stephen Warren
2012-03-11 12:46 ` [PATCH 2/5] pinctrl: add exynos4 specific pins, groups, functions and gpio chip data Thomas Abraham
2012-03-11 12:46 ` [PATCH 3/5] ARM: Exynos4: Add pinctrl devices and pin maps Thomas Abraham
2012-03-11 21:17   ` Kukjin Kim
2012-03-12  4:22     ` Thomas Abraham
2012-03-11 12:46 ` [PATCH 4/5] ARM: Exynos: Enable pinctrl driver support for Origen board Thomas Abraham
2012-03-11 12:46 ` [PATCH 5/5] mmc: sdhci-s3c: setup pins using pinctrl interface Thomas Abraham
2012-03-11 21:25   ` Kukjin Kim [this message]
2012-03-12  4:28     ` Thomas Abraham
2012-03-12  2:38   ` Kyungmin Park
2012-03-12  4:37     ` Thomas Abraham
2012-03-12 14:21   ` Mark Brown
2012-03-12 14:31     ` Thomas Abraham
2012-03-12 16:12       ` Mark Brown
2012-03-19 21:55   ` Stephen Warren
2012-03-13 10:13 ` [PATCH 0/5] pinctrl: add new Samsung pinctrl driver and add Exynos4 support Linus Walleij
2012-03-13 10:18   ` Thomas Abraham

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