diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c index f2e4a93ed1d6..4d874656f409 100644 --- a/drivers/mmc/host/sdhci-of-dwcmshc.c +++ b/drivers/mmc/host/sdhci-of-dwcmshc.c @@ -744,7 +744,10 @@ static const struct sdhci_pltfm_data sdhci_dwcmshc_rk35xx_pdata = { .quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN | SDHCI_QUIRK_BROKEN_TIMEOUT_VAL, .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN | - SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN, + SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN | + SDHCI_QUIRK2_NO_SDR50 | + SDHCI_QUIRK2_NO_SDR104 | + SDHCI_QUIRK2_NO_SDR25, }; static const struct sdhci_pltfm_data sdhci_dwcmshc_th1520_pdata = { diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 7bfd8f56d383..310bce42f5aa 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -3051,6 +3051,15 @@ static void sdhci_card_event(struct mmc_host *mmc) spin_unlock_irqrestore(&host->lock, flags); } +static int sdhci_init_sd_express(struct mmc_host *mmc, struct mmc_ios *ios) +{ + struct sdhci_host *host = mmc_priv(mmc); + + if (!host->ops->init_sd_express) + return -EOPNOTSUPP; + return host->ops->init_sd_express(host, ios); +} + static const struct mmc_host_ops sdhci_ops = { .request = sdhci_request, .post_req = sdhci_post_req, @@ -3066,6 +3075,7 @@ static const struct mmc_host_ops sdhci_ops = { .execute_tuning = sdhci_execute_tuning, .card_event = sdhci_card_event, .card_busy = sdhci_card_busy, + .init_sd_express = sdhci_init_sd_express, }; /*****************************************************************************\ @@ -4584,6 +4594,15 @@ int sdhci_setup_host(struct sdhci_host *host) !(host->quirks2 & SDHCI_QUIRK2_BROKEN_DDR50)) mmc->caps |= MMC_CAP_UHS_DDR50; + if (host->quirks2 & SDHCI_QUIRK2_NO_SDR25) + mmc->caps &= ~MMC_CAP_UHS_SDR25; + + if (host->quirks2 & SDHCI_QUIRK2_NO_SDR50) + mmc->caps &= ~MMC_CAP_UHS_SDR50; + + if (host->quirks2 & SDHCI_QUIRK2_NO_SDR104) + mmc->caps &= ~MMC_CAP_UHS_SDR104; + /* Does the host need tuning for SDR50? */ if (host->caps1 & SDHCI_USE_SDR50_TUNING) host->flags |= SDHCI_SDR50_NEEDS_TUNING; diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 957c7a917ffb..25794b7d929b 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -487,6 +487,11 @@ struct sdhci_host { /* Issue CMD and DATA reset together */ #define SDHCI_QUIRK2_ISSUE_CMD_DAT_RESET_TOGETHER (1<<19) +/* Quirks to ignore a speed if a that speed is unreliable */ +#define SDHCI_QUIRK2_NO_SDR25 (1<<19) +#define SDHCI_QUIRK2_NO_SDR50 (1<<20) +#define SDHCI_QUIRK2_NO_SDR104 (1<<21) + int irq; /* Device IRQ */ void __iomem *ioaddr; /* Mapped address */ phys_addr_t mapbase; /* physical address base */ @@ -669,6 +674,7 @@ struct sdhci_ops { void (*request_done)(struct sdhci_host *host, struct mmc_request *mrq); void (*dump_vendor_regs)(struct sdhci_host *host); + int (*init_sd_express)(struct sdhci_host *host, struct mmc_ios *ios); }; #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS