Support for inverting the sense of the MMC driver's write protect detection line. Signed-off-by: Ben Dooks Index: linux-2.6.26-rc5-q2/drivers/mmc/host/s3cmci.c =================================================================== --- linux-2.6.26-rc5-q2.orig/drivers/mmc/host/s3cmci.c 2008-06-16 15:24:59.000000000 +0100 +++ linux-2.6.26-rc5-q2/drivers/mmc/host/s3cmci.c 2008-06-16 15:25:01.000000000 +0100 @@ -1076,11 +1076,18 @@ 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-rc5-q2/include/asm-arm/arch-s3c2410/mci.h =================================================================== --- linux-2.6.26-rc5-q2.orig/include/asm-arm/arch-s3c2410/mci.h 2008-06-16 15:24:59.000000000 +0100 +++ linux-2.6.26-rc5-q2/include/asm-arm/arch-s3c2410/mci.h 2008-06-16 15:25:01.000000000 +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' -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/