mmc: core: Fix low speed mmc card detection failure
Girish K S [Thu, 19 Jan 2012 03:26:19 +0000 (08:26 +0530)]
This patch fixes the failure of low speed mmc card detection.

Signed-off-by: Girish K S <girish.shivananjappa@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>

drivers/mmc/core/mmc.c

index 59b9ba5..dd3fcac 100644 (file)
@@ -1006,7 +1006,8 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
                        err = mmc_select_hs200(card);
                else if (host->caps & MMC_CAP_MMC_HIGHSPEED)
                        err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
-                                        EXT_CSD_HS_TIMING, 1, 0);
+                                        EXT_CSD_HS_TIMING, 1,
+                                        card->ext_csd.generic_cmd6_time);
 
                if (err && err != -EBADMSG)
                        goto free_card;
@@ -1116,7 +1117,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
         * Activate wide bus and DDR (if supported).
         */
        if (!mmc_card_hs200(card) &&
-           (card->csd.mmca_vsn >= CSD_SPEC_VER_3) &&
+           (card->csd.mmca_vsn >= CSD_SPEC_VER_4) &&
            (host->caps & (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA))) {
                static unsigned ext_csd_bits[][2] = {
                        { EXT_CSD_BUS_WIDTH_8, EXT_CSD_DDR_BUS_WIDTH_8 },