diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index eadb3adf446..9bd6ab20384 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1863,7 +1863,7 @@ static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode) */ if (((ctrl & SDHCI_CTRL_UHS_MASK) == SDHCI_CTRL_UHS_SDR50) && (host->flags & SDHCI_SDR50_NEEDS_TUNING || - host->flags & SDHCI_HS200_NEEDS_TUNING)) + host->flags & SDHCI_SDR104_NEEDS_TUNING)) requires_tuning_nonuhs = true; if (((ctrl & SDHCI_CTRL_UHS_MASK) == SDHCI_CTRL_UHS_SDR104) || @@ -2994,9 +2994,13 @@ int sdhci_add_host(struct sdhci_host *host) mmc->caps |= MMC_CAP_UHS_SDR12 | MMC_CAP_UHS_SDR25; /* SDR104 supports also implies SDR50 support */ - if (caps[1] & SDHCI_SUPPORT_SDR104) + if (caps[1] & SDHCI_SUPPORT_SDR104) { mmc->caps |= MMC_CAP_UHS_SDR104 | MMC_CAP_UHS_SDR50; - else if (caps[1] & SDHCI_SUPPORT_SDR50) + /* SD3.0: SDR104 is supported so (for eMMC) the caps2 + * field can be promoted to support HS200. + */ + mmc->caps2 |= MMC_CAP2_HS200; + } else if (caps[1] & SDHCI_SUPPORT_SDR50) mmc->caps |= MMC_CAP_UHS_SDR50; if (caps[1] & SDHCI_SUPPORT_DDR50) @@ -3006,9 +3010,9 @@ int sdhci_add_host(struct sdhci_host *host) if (caps[1] & SDHCI_USE_SDR50_TUNING) host->flags |= SDHCI_SDR50_NEEDS_TUNING; - /* Does the host need tuning for HS200? */ + /* Does the host need tuning for SDR104 / HS200? */ if (mmc->caps2 & MMC_CAP2_HS200) - host->flags |= SDHCI_HS200_NEEDS_TUNING; + host->flags |= SDHCI_SDR104_NEEDS_TUNING; /* Driver Type(s) (A, C, D) supported by the host */ if (caps[1] & SDHCI_DRIVER_TYPE_A) |