From: Girish K S <girish.shivananjappa@linaro.org>
To: linux-mmc@vger.kernel.org
Cc: cjb@laptop.org, patches@linaro.org,
linux-samsung-soc@vger.kernel.org,
Girish K S <girish.shivananjappa@linaro.org>
Subject: [PATCH] mmc: core: Fix Low speed mmc card detection failure
Date: Thu, 19 Jan 2012 08:56:19 +0530 [thread overview]
Message-ID: <1326943579-30952-1-git-send-email-girish.shivananjappa@linaro.org> (raw)
This patch fixes the failure of low speed mmc card detection
Signed-off-by: Girish K S <girish.shivananjappa@linaro.org>
---
drivers/mmc/core/mmc.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index dc03291..2bc586b 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -1020,7 +1020,8 @@ 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;
@@ -1130,7 +1131,7 @@ 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 },
--
1.7.1
next reply other threads:[~2012-01-19 3:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-19 3:26 Girish K S [this message]
2012-01-31 3:38 ` [PATCH] mmc: core: Fix Low speed mmc card detection failure Girish K S
2012-02-04 22:33 ` Chris Ball
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