diff options
| -rw-r--r-- | drivers/mmc/host/sdhci-msm.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index ab4837128cb2..6d70e8d6bfb3 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -142,6 +142,7 @@ #define CORE_START_CDC_TRAFFIC (1 << 6) #define CORE_PWRSAVE_DLL (1 << 3) +#define CORE_FIFO_ALT_EN (1 << 10) #define CORE_CMDEN_HS400_INPUT_MASK_CNT (1 << 13) #define CORE_DDR_CAL_EN (1 << 0) @@ -4484,6 +4485,14 @@ static int sdhci_msm_probe(struct platform_device *pdev) writel_relaxed(CORE_VENDOR_SPEC_POR_VAL, host->ioaddr + msm_host_offset->CORE_VENDOR_SPEC); + /* + * Ensure SDHCI FIFO is enabled by disabling alternative FIFO + */ + writel_relaxed((readl_relaxed(host->ioaddr + + msm_host_offset->CORE_VENDOR_SPEC3) & + ~CORE_FIFO_ALT_EN), host->ioaddr + + msm_host_offset->CORE_VENDOR_SPEC3); + if (!msm_host->mci_removed) { /* Set HC_MODE_EN bit in HC_MODE register */ writel_relaxed(HC_MODE_EN, (msm_host->core_mem + CORE_HC_MODE)); |