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Diffstat (limited to 'drivers/mmc/core/sdio.c')
| -rw-r--r-- | drivers/mmc/core/sdio.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index 9e0791332ef3..e614fd82a32a 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -1014,8 +1014,14 @@ static int mmc_sdio_resume(struct mmc_host *host) } err = mmc_sdio_reinit_card(host); } else if (mmc_card_wake_sdio_irq(host)) { - /* We may have switched to 1-bit mode during suspend */ + /* + * We may have switched to 1-bit mode during suspend, + * need to hold retuning, because tuning only supprt + * 4-bit mode or 8 bit mode. + */ + mmc_retune_hold_now(host); err = sdio_enable_4bit_bus(host->card); + mmc_retune_release(host); } if (err) |