diff options
| -rw-r--r-- | drivers/mmc/host/sdhci-tegra.c | 3 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 5 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci.h | 2 |
3 files changed, 9 insertions, 1 deletions
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c index fbe3a2e870bf..bff084f178c9 100644 --- a/drivers/mmc/host/sdhci-tegra.c +++ b/drivers/mmc/host/sdhci-tegra.c @@ -1528,7 +1528,8 @@ static const struct sdhci_pltfm_data sdhci_tegra186_pdata = { SDHCI_QUIRK_NO_HISPD_BIT | SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC | SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN, - .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN, + .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN | + SDHCI_QUIRK2_ISSUE_CMD_DAT_RESET_TOGETHER, .ops = &tegra186_sdhci_ops, }; diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index edf052ccb176..f3af1bd0f7b9 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -270,6 +270,11 @@ enum sdhci_reset_reason { static void sdhci_reset_for_reason(struct sdhci_host *host, enum sdhci_reset_reason reason) { + if (host->quirks2 & SDHCI_QUIRK2_ISSUE_CMD_DAT_RESET_TOGETHER) { + sdhci_do_reset(host, SDHCI_RESET_CMD | SDHCI_RESET_DATA); + return; + } + switch (reason) { case SDHCI_RESET_FOR_INIT: sdhci_do_reset(host, SDHCI_RESET_CMD | SDHCI_RESET_DATA); diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index b6f31a7d6152..605eaee805f7 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -478,6 +478,8 @@ struct sdhci_host { * block count. */ #define SDHCI_QUIRK2_USE_32BIT_BLK_CNT (1<<18) +/* Issue CMD and DATA reset together */ +#define SDHCI_QUIRK2_ISSUE_CMD_DAT_RESET_TOGETHER (1<<19) int irq; /* Device IRQ */ void __iomem *ioaddr; /* Mapped address */ |