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-rw-r--r--arch/arm/mach-u300/mmc.c2
-rw-r--r--drivers/mmc/host/mmci.c6
-rw-r--r--drivers/mmc/host/mmci.h6
3 files changed, 9 insertions, 5 deletions
diff --git a/arch/arm/mach-u300/mmc.c b/arch/arm/mach-u300/mmc.c
index 109f5a6e71c7..ef8032d2f5bf 100644
--- a/arch/arm/mach-u300/mmc.c
+++ b/arch/arm/mach-u300/mmc.c
@@ -105,7 +105,7 @@ int __devinit mmc_init(struct amba_device *adev)
mmci_card->mmc0_plat_data.gpio_wp = -1;
mmci_card->mmc0_plat_data.gpio_cd = -1;
mmci_card->mmc0_plat_data.capabilities = MMC_CAP_MMC_HIGHSPEED |
- MMC_CAP_SD_HIGHSPEED | MMC_CAP_4_BIT_DATA;
+ MMC_CAP_SD_HIGHSPEED | MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA;
mmcsd_device->platform_data = (void *) &mmci_card->mmc0_plat_data;
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c
index 84c103a7ee13..7e70c1a06d8a 100644
--- a/drivers/mmc/host/mmci.c
+++ b/drivers/mmc/host/mmci.c
@@ -55,14 +55,16 @@ static void mmci_set_clkreg(struct mmci_host *host, unsigned int desired)
host->cclk = host->mclk / (2 * (clk + 1));
}
if (host->hw_designer == AMBA_VENDOR_ST)
- clk |= MCI_FCEN; /* Bug fix in ST IP block */
+ clk |= MCI_ST_FCEN; /* Bug fix in ST IP block */
clk |= MCI_CLK_ENABLE;
/* This hasn't proven to be worthwhile */
/* clk |= MCI_CLK_PWRSAVE; */
}
if (host->mmc->ios.bus_width == MMC_BUS_WIDTH_4)
- clk |= MCI_WIDE_BUS;
+ clk |= MCI_4BIT_BUS;
+ if (host->mmc->ios.bus_width == MMC_BUS_WIDTH_8)
+ clk |= MCI_ST_8BIT_BUS;
writel(clk, host->base + MMCICLOCK);
}
diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h
index 1ceb9a90f59b..d77062e5e3af 100644
--- a/drivers/mmc/host/mmci.h
+++ b/drivers/mmc/host/mmci.h
@@ -25,9 +25,11 @@
#define MCI_CLK_ENABLE (1 << 8)
#define MCI_CLK_PWRSAVE (1 << 9)
#define MCI_CLK_BYPASS (1 << 10)
-#define MCI_WIDE_BUS (1 << 11)
+#define MCI_4BIT_BUS (1 << 11)
+/* 8bit wide buses supported in ST Micro versions */
+#define MCI_ST_8BIT_BUS (1 << 12)
/* HW flow control on the ST Micro version */
-#define MCI_FCEN (1 << 13)
+#define MCI_ST_FCEN (1 << 13)
#define MMCIARGUMENT 0x008
#define MMCICOMMAND 0x00c
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