summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
authorHarry Hong <hhong@nvidia.com>2012-02-08 17:19:26 +0900
committerSimone Willett <swillett@nvidia.com>2012-03-05 16:51:22 -0800
commitd8e0b3a28736a8bed4e7b6b63b2e03225d463549 (patch)
treea9c728693b667af1a1db0577cbd3044e1ccbe09b /drivers
parent2767dcc7741bc12291c521b00d4c9efeceec3def (diff)
mmc: tegra: Clear SPI_MODE_CLKEN_OVERRIDE bit by default
This bit should always be 0 according to TRM. Bug 929985 Signed-off-by: Harry Hong <hhong@nvidia.com> Reviewed-on: http://git-master/r/79975 (cherry picked from commit 9371d04b4f9d79f1e03e60120bf1bba28af77d4b) Change-Id: I225d6b5442f63809a77ce92d9cbd152dc4112ac4 Reviewed-on: http://git-master/r/87640 Reviewed-by: Pavan Kunapuli <pkunapuli@nvidia.com> Tested-by: Harry Hong <hhong@nvidia.com> Reviewed-by: Sachin Nikam <snikam@nvidia.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mmc/host/sdhci-tegra.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index 6d61aaee5fbe..fb728291ffe8 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -36,6 +36,7 @@
#define SDHCI_VENDOR_CLOCK_CNTRL 0x100
#define SDHCI_VENDOR_CLOCK_CNTRL_SDMMC_CLK 0x1
#define SDHCI_VENDOR_CLOCK_CNTRL_PADPIPE_CLKEN_OVERRIDE 0x8
+#define SDHCI_VENDOR_CLOCK_CNTRL_SPI_MODE_CLKEN_OVERRIDE 0x4
#define SDHCI_VENDOR_CLOCK_CNTRL_BASE_CLK_FREQ_SHIFT 8
#define SDHCI_VENDOR_CLOCK_CNTRL_TAP_VALUE_SHIFT 16
#define SDHCI_VENDOR_CLOCK_CNTRL_SDR50_TUNING 0x20
@@ -190,6 +191,8 @@ static void tegra3_sdhci_post_reset_init(struct sdhci_host *sdhci)
vendor_ctrl |= (tegra3_sdhost_max_clk[tegra_host->instance] / 1000000) <<
SDHCI_VENDOR_CLOCK_CNTRL_BASE_CLK_FREQ_SHIFT;
vendor_ctrl |= SDHCI_VENDOR_CLOCK_CNTRL_PADPIPE_CLKEN_OVERRIDE;
+ vendor_ctrl &= ~SDHCI_VENDOR_CLOCK_CNTRL_SPI_MODE_CLKEN_OVERRIDE;
+
/* Set tap delay */
if (plat->tap_delay) {
vendor_ctrl &= ~(0xFF <<