diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-01-04 10:59:36 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-04 10:59:36 +0100 |
| commit | 4010b0192ddf6ec7ec1b9feb9b0953692aeb7329 (patch) | |
| tree | 188a36186f6ce580b479a9f90404fa7bfd8b22d7 /drivers/mmc/core/mmc.c | |
| parent | 79ff56ebd3edfb16f8badc558cb439b203a3298f (diff) | |
| parent | 7d3b56ba37a95f1f370f50258ed3954c304c524b (diff) | |
Merge branch 'linus' into core/urgent
Diffstat (limited to 'drivers/mmc/core/mmc.c')
| -rw-r--r-- | drivers/mmc/core/mmc.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index fdd7c760be8..c232d11a7ed 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -434,13 +434,24 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, * Activate wide bus (if supported). */ if ((card->csd.mmca_vsn >= CSD_SPEC_VER_4) && - (host->caps & MMC_CAP_4_BIT_DATA)) { + (host->caps & (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA))) { + unsigned ext_csd_bit, bus_width; + + if (host->caps & MMC_CAP_8_BIT_DATA) { + ext_csd_bit = EXT_CSD_BUS_WIDTH_8; + bus_width = MMC_BUS_WIDTH_8; + } else { + ext_csd_bit = EXT_CSD_BUS_WIDTH_4; + bus_width = MMC_BUS_WIDTH_4; + } + err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, - EXT_CSD_BUS_WIDTH, EXT_CSD_BUS_WIDTH_4); + EXT_CSD_BUS_WIDTH, ext_csd_bit); + if (err) goto free_card; - mmc_set_bus_width(card->host, MMC_BUS_WIDTH_4); + mmc_set_bus_width(card->host, bus_width); } if (!oldcard) @@ -624,4 +635,3 @@ err: return err; } - |