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    Subject[patch v4 08/17] MMC: S3C24XX: Add support to invert write protect line
    Support for inverting the sense of the MMC driver's write
    protect detection line.

    Signed-off-by: Ben Dooks <ben-linux@fluff.org>

    Index: linux-2.6.26-rc8-next20080627/drivers/mmc/host/s3cmci.c
    ===================================================================
    --- linux-2.6.26-rc8-next20080627.orig/drivers/mmc/host/s3cmci.c 2008-06-30 12:31:46.000000000 +0100
    +++ linux-2.6.26-rc8-next20080627/drivers/mmc/host/s3cmci.c 2008-06-30 12:36:42.000000000 +0100
    @@ -1083,11 +1083,18 @@ static void s3cmci_reset(struct s3cmci_h
    static int s3cmci_get_ro(struct mmc_host *mmc)
    {
    struct s3cmci_host *host = mmc_priv(mmc);
    + struct s3c24xx_mci_pdata *pdata = host->pdata;
    + int ret;

    - if (host->pdata->gpio_wprotect == 0)
    + if (pdata->gpio_wprotect == 0)
    return 0;

    - return s3c2410_gpio_getpin(host->pdata->gpio_wprotect);
    + ret = s3c2410_gpio_getpin(pdata->gpio_wprotect);
    +
    + if (pdata->wprotect_invert)
    + ret = !ret;
    +
    + return ret;
    }

    static struct mmc_host_ops s3cmci_ops = {
    Index: linux-2.6.26-rc8-next20080627/include/asm-arm/plat-s3c24xx/mci.h
    ===================================================================
    --- linux-2.6.26-rc8-next20080627.orig/include/asm-arm/plat-s3c24xx/mci.h 2008-06-30 12:31:37.000000000 +0100
    +++ linux-2.6.26-rc8-next20080627/include/asm-arm/plat-s3c24xx/mci.h 2008-06-30 12:36:42.000000000 +0100
    @@ -2,6 +2,8 @@
    #define _ARCH_MCI_H

    struct s3c24xx_mci_pdata {
    + unsigned int wprotect_invert : 1;
    +
    unsigned int gpio_detect;
    unsigned int gpio_wprotect;
    unsigned long ocr_avail;
    --
    Ben (ben@fluff.org, http://www.fluff.org/)

    'a smiley only costs 4 bytes'


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