diff options
Diffstat (limited to 'drivers/mmc/core/sdio.c')
| -rw-r--r-- | drivers/mmc/core/sdio.c | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index b65b26f76d71..d9ba7dd7cf1b 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -308,25 +308,23 @@ static int sdio_enable_4bit_bus(struct mmc_card *card) { int err; + err = sdio_enable_wide(card); + if (err <= 0) + return err; if (card->type == MMC_TYPE_SDIO) - err = sdio_enable_wide(card); - else if ((card->host->caps & MMC_CAP_4_BIT_DATA) && - (card->scr.bus_widths & SD_SCR_BUS_WIDTH_4)) { + goto out; + + if (card->scr.bus_widths & SD_SCR_BUS_WIDTH_4) { err = mmc_app_set_bus_width(card, MMC_BUS_WIDTH_4); - if (err) + if (err) { + sdio_disable_wide(card); return err; - err = sdio_enable_wide(card); - if (err <= 0) - mmc_app_set_bus_width(card, MMC_BUS_WIDTH_1); - } else - return 0; - - if (err > 0) { - mmc_set_bus_width(card->host, MMC_BUS_WIDTH_4); - err = 0; + } } +out: + mmc_set_bus_width(card->host, MMC_BUS_WIDTH_4); - return err; + return 0; } |