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authorArnd Bergmann <arnd@arndb.de>2012-02-28 12:42:14 +0000
committerArnd Bergmann <arnd@arndb.de>2012-02-28 12:42:21 +0000
commitfb0b82b32ce17564bc64cede50bf4a3204eecc60 (patch)
tree00b5e466074c6fb373d64c493b3341186024acc7 /drivers/mmc/core/sdio.c
parenta173fc693b25216c5c834978f4fafd731fd4ff94 (diff)
parent43de6a7dda6e9a7345e218e688f2092f991126f0 (diff)
Merge branch 'board-specific' of git://github.com/hzhuang1/linux into next/boards
* 'board-specific' of git://github.com/hzhuang1/linux: (5 commits) ARM: pxa: add dummy clock for pxa25x and pxa27x ARM: mmp: append irq name of gpio device pxa/hx4700: Fix PXA_GPIO_IRQ_BASE/IRQ_NUM values pxa/hx4700: Add ASIC3 LED support pxa/hx4700: Correct StrataFlash block size discovery (update to v3.3-rc5)
Diffstat (limited to 'drivers/mmc/core/sdio.c')
-rw-r--r--drivers/mmc/core/sdio.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index bd7bacc950d..12cde6ee17f 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -98,10 +98,11 @@ fail:
return ret;
}
-static int sdio_read_cccr(struct mmc_card *card)
+static int sdio_read_cccr(struct mmc_card *card, u32 ocr)
{
int ret;
int cccr_vsn;
+ int uhs = ocr & R4_18V_PRESENT;
unsigned char data;
unsigned char speed;
@@ -149,7 +150,7 @@ static int sdio_read_cccr(struct mmc_card *card)
card->scr.sda_spec3 = 0;
card->sw_caps.sd3_bus_mode = 0;
card->sw_caps.sd3_drv_type = 0;
- if (cccr_vsn >= SDIO_CCCR_REV_3_00) {
+ if (cccr_vsn >= SDIO_CCCR_REV_3_00 && uhs) {
card->scr.sda_spec3 = 1;
ret = mmc_io_rw_direct(card, 0, 0,
SDIO_CCCR_UHS, 0, &data);
@@ -712,7 +713,7 @@ static int mmc_sdio_init_card(struct mmc_host *host, u32 ocr,
/*
* Read the common registers.
*/
- err = sdio_read_cccr(card);
+ err = sdio_read_cccr(card, ocr);
if (err)
goto remove;