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authorDavid S. Miller <davem@davemloft.net>2016-01-13 06:21:27 +0100
committerDavid S. Miller <davem@davemloft.net>2016-01-13 06:21:27 +0100
commitddb5388ffd0ad75d07e7b78181a0b579824ba6f0 (patch)
treebe1e2bd103c69d7bbace3fffd97bc3d714bbc3d7 /drivers/mmc/host/sdhci-esdhc-imx.c
parentnet: netlink: Fix multicast group storage allocation for families with more t... (diff)
parentMerge tag 'pm+acpi-4.5-rc1-1' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff)
downloadlinux-ddb5388ffd0ad75d07e7b78181a0b579824ba6f0.tar.xz
linux-ddb5388ffd0ad75d07e7b78181a0b579824ba6f0.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Diffstat (limited to 'drivers/mmc/host/sdhci-esdhc-imx.c')
-rw-r--r--drivers/mmc/host/sdhci-esdhc-imx.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 1f1582f6cccb..f25f29253595 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -76,6 +76,7 @@
#define ESDHC_STD_TUNING_EN (1 << 24)
/* NOTE: the minimum valid tuning start tap for mx6sl is 1 */
#define ESDHC_TUNING_START_TAP 0x1
+#define ESDHC_TUNING_STEP_MASK 0x00070000
#define ESDHC_TUNING_STEP_SHIFT 16
/* pinctrl state */
@@ -489,9 +490,11 @@ static void esdhc_writew_le(struct sdhci_host *host, u16 val, int reg)
m |= ESDHC_MIX_CTRL_FBCLK_SEL;
tuning_ctrl = readl(host->ioaddr + ESDHC_TUNING_CTRL);
tuning_ctrl |= ESDHC_STD_TUNING_EN | ESDHC_TUNING_START_TAP;
- if (imx_data->boarddata.tuning_step)
+ if (imx_data->boarddata.tuning_step) {
+ tuning_ctrl &= ~ESDHC_TUNING_STEP_MASK;
tuning_ctrl |= imx_data->boarddata.tuning_step << ESDHC_TUNING_STEP_SHIFT;
- writel(tuning_ctrl, host->ioaddr + ESDHC_TUNING_CTRL);
+ }
+ writel(tuning_ctrl, host->ioaddr + ESDHC_TUNING_CTRL);
} else {
v &= ~ESDHC_MIX_CTRL_EXE_TUNE;
}