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authorArnd Bergmann <arnd@arndb.de>2012-07-12 17:55:40 +0200
committerArnd Bergmann <arnd@arndb.de>2012-07-12 17:55:40 +0200
commit9c63cd5a955ce8a3de1776a9e4b6b89c69b2a09e (patch)
tree2b628ebdaeb63603d90c92e78bc5dd668856b61d /drivers/mmc/core/sdio.c
parent8c203360a751ecbf876a8324e02c1dcbcc5dd548 (diff)
parent34ae0dadb4e99e8177f9785e069e9cca636ef8c1 (diff)
Merge tag 'imx-defconfig' of git://git.pengutronix.de/git/imx/linux-2.6 into next/defconfig
From Sascha Hauer <s.hauer@pengutronix.de>: ARM i.MX defconfig updates for v3.6 * tag 'imx-defconfig' of git://git.pengutronix.de/git/imx/linux-2.6: ARM: imx_v4_v5_defconfig: update features ARM: imx_v6_v7_defconfig: update features Includes an update to v3.5-rc5 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/mmc/core/sdio.c')
-rw-r--r--drivers/mmc/core/sdio.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index 13d0e95380a..41c5fd8848f 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -218,6 +218,12 @@ static int sdio_enable_wide(struct mmc_card *card)
if (ret)
return ret;
+ if ((ctrl & SDIO_BUS_WIDTH_MASK) == SDIO_BUS_WIDTH_RESERVED)
+ pr_warning("%s: SDIO_CCCR_IF is invalid: 0x%02x\n",
+ mmc_hostname(card->host), ctrl);
+
+ /* set as 4-bit bus width */
+ ctrl &= ~SDIO_BUS_WIDTH_MASK;
ctrl |= SDIO_BUS_WIDTH_4BIT;
ret = mmc_io_rw_direct(card, 1, 0, SDIO_CCCR_IF, ctrl, NULL);