[PATCH] mmc: fix regression testing bus width when CAP not defined

From: Philip Rakity
Date: Tue Dec 21 2010 - 14:29:33 EST


First reported by Zhangfei Gao.

set mmc bus width before checking for CAP for mmc bus width testing.
set bus width when card is not ddr

Signed-off-by: Philip Rakity <prakity@xxxxxxxxxxx>
Tested-by: Philip Rakity
---
drivers/mmc/core/mmc.c | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 1d8409f..3a2905f 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -558,6 +558,8 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
EXT_CSD_BUS_WIDTH,
ext_csd_bits[idx][0]);
if (!err) {
+ mmc_set_bus_width_ddr(card->host,
+ bus_width, MMC_SDR_MODE);
/*
* If controller can't handle bus width test,
* use the highest bus width to maintain
@@ -565,8 +567,6 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
*/
if (!(host->caps & MMC_CAP_BUS_WIDTH_TEST))
break;
- mmc_set_bus_width_ddr(card->host,
- bus_width, MMC_SDR_MODE);
err = mmc_bus_test(card, bus_width);
if (!err)
break;
@@ -586,7 +586,8 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
} else if (ddr) {
mmc_card_set_ddr_mode(card);
mmc_set_bus_width_ddr(card->host, bus_width, ddr);
- }
+ } else
+ mmc_set_bus_width (card->host, bus_width);
}

if (!oldcard)
--
1.6.0.4

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