[PATCH] mci: mxs: support overwriting the device name via platform data

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Thu Nov 7 11:04:24 EST 2013


On 11:51 Thu 07 Nov     , Uwe Kleine-K??nig wrote:
> The current implementation of the bootloader specification depends on the
> hardware name and the name of the device in /dev to match. As the default
> hardware name is mciX and the device name is diskY the bootloader spec
> cannot be used as is.
> 
> This patch implements a way to overwrite the device name similar to what is
> possible for the imx-esdhc driver.
> 
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
> ---
>  arch/arm/mach-mxs/include/mach/mci.h | 1 +
>  drivers/mci/mxs.c                    | 3 +++
>  include/mci.h                        | 2 +-
>  3 files changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/mach-mxs/include/mach/mci.h b/arch/arm/mach-mxs/include/mach/mci.h
> index 4faab37..c47c24c 100644
> --- a/arch/arm/mach-mxs/include/mach/mci.h
> +++ b/arch/arm/mach-mxs/include/mach/mci.h
> @@ -15,6 +15,7 @@
>  #define __MACH_MMC_H
>  
>  struct mxs_mci_platform_data {
> +	const char *devname;
>  	unsigned caps;	/**< supported operating modes (MMC_MODE_*) */
>  	unsigned voltages; /**< supported voltage range (MMC_VDD_*) */
>  	unsigned f_min;	/**< min operating frequency in Hz (0 -> no limit) */
> diff --git a/drivers/mci/mxs.c b/drivers/mci/mxs.c
> index 1b935f7..52d0656 100644
> --- a/drivers/mci/mxs.c
> +++ b/drivers/mci/mxs.c
> @@ -571,6 +571,9 @@ static int mxs_mci_probe(struct device_d *hw_dev)
>  	host->voltages = pd->voltages;
>  	host->host_caps = pd->caps;
>  
> +	if (pd->devname)
> +		host->devname = pd->devname;

why bother to test it?

Best Regards,
J.



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