Re: [PATCH] mmc: mxs-mmc: Remove platform data

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On Wed, Oct 31, 2012 at 01:35:47AM -0200, Fabio Estevam wrote:
> From: Fabio Estevam <fabio.estevam@xxxxxxxxxxxxx>
> 
> All MXS users have been converted to device tree and the board files have been
> removed.
> 
> No need to keep platform data in the driver.
> 
> Also move bus_width declaration in the beggining of mxs_mmc_probe() to avoid:
> 'warning: ISO C90 forbids mixed declarations and code'.
>   
> Signed-off-by: Fabio Estevam <fabio.estevam@xxxxxxxxxxxxx>
> ---
>  drivers/mmc/host/mxs-mmc.c |   30 ++++++++++--------------------
>  1 file changed, 10 insertions(+), 20 deletions(-)
> 
> diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
> index 80d1e6d..37fd9fc 100644
> --- a/drivers/mmc/host/mxs-mmc.c
> +++ b/drivers/mmc/host/mxs-mmc.c
> @@ -593,13 +593,13 @@ static int mxs_mmc_probe(struct platform_device *pdev)
>  	struct mxs_mmc_host *host;
>  	struct mmc_host *mmc;
>  	struct resource *iores, *dmares;
> -	struct mxs_mmc_platform_data *pdata;

Remove the struct definition altogether?

Shawn

>  	struct pinctrl *pinctrl;
>  	int ret = 0, irq_err, irq_dma;
>  	dma_cap_mask_t mask;
>  	struct regulator *reg_vmmc;
>  	enum of_gpio_flags flags;
>  	struct mxs_ssp *ssp;
> +	u32 bus_width = 0;
>  
>  	iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
>  	dmares = platform_get_resource(pdev, IORESOURCE_DMA, 0);
> @@ -682,25 +682,15 @@ static int mxs_mmc_probe(struct platform_device *pdev)
>  	mmc->caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED |
>  		    MMC_CAP_SDIO_IRQ | MMC_CAP_NEEDS_POLL;
>  
> -	pdata =	mmc_dev(host->mmc)->platform_data;
> -	if (!pdata) {
> -		u32 bus_width = 0;
> -		of_property_read_u32(np, "bus-width", &bus_width);
> -		if (bus_width == 4)
> -			mmc->caps |= MMC_CAP_4_BIT_DATA;
> -		else if (bus_width == 8)
> -			mmc->caps |= MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA;
> -		host->wp_gpio = of_get_named_gpio_flags(np, "wp-gpios", 0,
> -							&flags);
> -		if (flags & OF_GPIO_ACTIVE_LOW)
> -			host->wp_inverted = 1;
> -	} else {
> -		if (pdata->flags & SLOTF_8_BIT_CAPABLE)
> -			mmc->caps |= MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA;
> -		if (pdata->flags & SLOTF_4_BIT_CAPABLE)
> -			mmc->caps |= MMC_CAP_4_BIT_DATA;
> -		host->wp_gpio = pdata->wp_gpio;
> -	}
> +	of_property_read_u32(np, "bus-width", &bus_width);
> +	if (bus_width == 4)
> +		mmc->caps |= MMC_CAP_4_BIT_DATA;
> +	else if (bus_width == 8)
> +		mmc->caps |= MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA;
> +	host->wp_gpio = of_get_named_gpio_flags(np, "wp-gpios", 0, &flags);
> +
> +	if (flags & OF_GPIO_ACTIVE_LOW)
> +		host->wp_inverted = 1;
>  
>  	mmc->f_min = 400000;
>  	mmc->f_max = 288000000;
> -- 
> 1.7.9.5
> 

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