From bcf53524ac4532da546cb87099a6e164d5394004 Mon Sep 17 00:00:00 2001 From: Anatolij Gustschin Date: Mon, 8 Apr 2013 23:28:07 +0200 Subject: [PATCH] mmc: mxcmmc: use slot-gpio API for write-protect detection slot-gpio API suppors read-only detection when "wp-gpios" property is present in the device tree mmc node. Use this API for write-protect detection. Signed-off-by: Anatolij Gustschin Acked-by: Sascha Hauer Signed-off-by: Chris Ball --- drivers/mmc/host/mxcmmc.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c index 3f8d3394197c..df28ebf7e240 100644 --- a/drivers/mmc/host/mxcmmc.c +++ b/drivers/mmc/host/mxcmmc.c @@ -38,6 +38,7 @@ #include #include #include +#include #include #include @@ -917,10 +918,11 @@ static int mxcmci_get_ro(struct mmc_host *mmc) if (host->pdata && host->pdata->get_ro) return !!host->pdata->get_ro(mmc_dev(mmc)); /* - * Board doesn't support read only detection; let the mmc core - * decide what to do. + * If board doesn't support read only detection (no mmc_gpio + * context or gpio is invalid), then let the mmc core decide + * what to do. */ - return -ENOSYS; + return mmc_gpio_get_ro(mmc); } static void mxcmci_enable_sdio_irq(struct mmc_host *mmc, int enable) -- 2.34.1