Re: [PATCH 5/5] mmc: sdhci-s3c: setup pins using pinctrl interface

From: Kukjin Kim
Date: Sun Mar 11 2012 - 17:26:07 EST


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@xxxxxxxxxx>
> ---
> 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@xxxxxxxxxxx>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
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