diff options
Diffstat (limited to 'drivers/mmc/core/mmc.c')
| -rw-r--r-- | drivers/mmc/core/mmc.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index b3fa193de846..ff3063ce2acd 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1168,13 +1168,13 @@ static int mmc_select_hs400(struct mmc_card *card) return err; } - /* Set host controller to HS timing */ - mmc_set_timing(card->host, MMC_TIMING_MMC_HS); - /* Prepare host to downgrade to HS timing */ if (host->ops->hs400_downgrade) host->ops->hs400_downgrade(host); + /* Set host controller to HS timing */ + mmc_set_timing(host, MMC_TIMING_MMC_HS); + /* Reduce frequency to HS frequency */ max_dtr = card->ext_csd.hs_max_dtr; mmc_set_clock(host, max_dtr); @@ -1253,6 +1253,9 @@ int mmc_hs400_to_hs200(struct mmc_card *card) if (err) goto out_err; + if (host->ops->hs400_downgrade) + host->ops->hs400_downgrade(host); + mmc_set_timing(host, MMC_TIMING_MMC_DDR52); err = mmc_switch_status(card, true); @@ -1268,9 +1271,6 @@ int mmc_hs400_to_hs200(struct mmc_card *card) mmc_set_timing(host, MMC_TIMING_MMC_HS); - if (host->ops->hs400_downgrade) - host->ops->hs400_downgrade(host); - err = mmc_switch_status(card, true); if (err) goto out_err; @@ -1763,13 +1763,17 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, goto free_card; if (mmc_card_hs200(card)) { + host->doing_init_tune = 1; + err = mmc_hs200_tuning(card); - if (err) - goto free_card; + if (!err) + err = mmc_select_hs400(card); + + host->doing_init_tune = 0; - err = mmc_select_hs400(card); if (err) goto free_card; + } else if (!mmc_card_hs400es(card)) { /* Select the desired bus width optionally */ err = mmc_select_bus_width(card); |