From e29366fda793d8d423e0a476b62c2a3a703d4dc6 Mon Sep 17 00:00:00 2001 From: Adrian Hunter Date: Wed, 24 Sep 2014 10:27:33 +0300 Subject: [PATCH] mmc: sdhci-pci: Fix Braswell eMMC timeout clock frequency commit a06586b62db5c63752e2e68daffec4baa275d594 upstream. Braswell eMMC host controller specifies an incorrect timeout clock frequncy in the capabilities registers. The correct value is 1 MHz. Signed-off-by: Adrian Hunter Signed-off-by: Ulf Hansson Signed-off-by: Jiri Slaby --- drivers/mmc/host/sdhci-pci.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c index a130a11d89de..730527af71d7 100644 --- a/drivers/mmc/host/sdhci-pci.c +++ b/drivers/mmc/host/sdhci-pci.c @@ -270,6 +270,8 @@ static int byt_emmc_probe_slot(struct sdhci_pci_slot *slot) MMC_CAP_HW_RESET; slot->host->mmc->caps2 |= MMC_CAP2_HC_ERASE_SZ; slot->hw_reset = sdhci_pci_int_hw_reset; + if (slot->chip->pdev->device == PCI_DEVICE_ID_INTEL_BSW_EMMC) + slot->host->timeout_clk = 1000; /* 1000 kHz i.e. 1 MHz */ return 0; } -- 2.47.3