diff options
Diffstat (limited to 'drivers/mmc/host')
-rw-r--r-- | drivers/mmc/host/sdhci.c | 3 | ||||
-rw-r--r-- | drivers/mmc/host/sdhci.h | 2 |
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 1cea35d8bc79..0d5fcca18c9e 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1182,6 +1182,9 @@ static void sdhci_read_rsp_136(struct sdhci_host *host, struct mmc_command *cmd) cmd->resp[i] = sdhci_readl(host, reg); } + if (host->quirks2 & SDHCI_QUIRK2_RSP_136_HAS_CRC) + return; + /* CRC is stripped so we need to do some shifting */ for (i = 0; i < 4; i++) { cmd->resp[i] <<= 8; diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 399edc681623..54bc444c317f 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -435,6 +435,8 @@ struct sdhci_host { #define SDHCI_QUIRK2_ACMD23_BROKEN (1<<14) /* Broken Clock divider zero in controller */ #define SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN (1<<15) +/* Controller has CRC in 136 bit Command Response */ +#define SDHCI_QUIRK2_RSP_136_HAS_CRC (1<<16) int irq; /* Device IRQ */ void __iomem *ioaddr; /* Mapped address */ |