[PATCH] mmc: Enable bus-width tests on SDHCI host

Takashi Iwai
2010-12-15T13:17:31Z

Let's enable the new bus-width tests on SDHCI hosts unless 1-bit data
is set forcibly.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

This is a patch to be applied after
"mmc: Test bus-width for old MMC devices (v2)"

drivers/mmc/host/sdhci.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 0502738..51f5209 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1888,8 +1888,10 @@ int sdhci_add_host(struct sdhci_host *host)
* their platform code before calling sdhci_add_host(), and we
* won't assume 8-bit width for hosts without that CAP.
*/
- if (!(host->quirks & SDHCI_QUIRK_FORCE_1_BIT_DATA))
+ if (!(host->quirks & SDHCI_QUIRK_FORCE_1_BIT_DATA)) {
mmc->caps |= MMC_CAP_4_BIT_DATA;
+ mmc->caps |= MMC_CAP_BUS_WIDTH_TEST;
+ }

if (caps & SDHCI_CAN_DO_HISPD)
mmc->caps |= MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED;
--
1.7.3.1