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| author | Grant Likely <grant.likely@secretlab.ca> | 2012-07-11 16:08:35 +0100 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2012-07-11 16:08:35 +0100 |
| commit | 80c1834fc86c2bbacb54a8fc3c04a8b0066b0996 (patch) | |
| tree | 8200248706960af8b779e9144f5b51c670602228 /drivers/mmc/core/sdio.c | |
| parent | 22076c7712be29a602de45b1c573f31adbd428a9 (diff) | |
| parent | bd0a521e88aa7a06ae7aabaed7ae196ed4ad867a (diff) | |
Merge tag 'v3.5-rc6' into irqdomain/next
Linux 3.5-rc6
Diffstat (limited to 'drivers/mmc/core/sdio.c')
| -rw-r--r-- | drivers/mmc/core/sdio.c | 6 |
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); |