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authorHaibo Chen <haibo.chen@nxp.com>2020-05-26 13:22:01 +0300
committerUlf Hansson <ulf.hansson@linaro.org>2020-05-29 13:38:00 +0300
commit1194be8c949b8190b2882ad8335a5d98aa50c735 (patch)
tree349121ae803561430dbc2c93a6fb1e2cb7d9d9ea /drivers/mmc
parentf61404626113080863c904a459576ba0c03a49ba (diff)
downloadlinux-1194be8c949b8190b2882ad8335a5d98aa50c735.tar.xz
mmc: sdhci-esdhc-imx: fix the mask for tuning start point
According the RM, the bit[6~0] of register ESDHC_TUNING_CTRL is TUNING_START_TAP, bit[7] of this register is to disable the command CRC check for standard tuning. So fix it here. Fixes: d87fc9663688 ("mmc: sdhci-esdhc-imx: support setting tuning start point") Signed-off-by: Haibo Chen <haibo.chen@nxp.com> Link: https://lore.kernel.org/r/1590488522-9292-1-git-send-email-haibo.chen@nxp.com Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/sdhci-esdhc-imx.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 5a27511438c8..37d466776dc1 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -90,7 +90,7 @@
#define ESDHC_STD_TUNING_EN (1 << 24)
/* NOTE: the minimum valid tuning start tap for mx6sl is 1 */
#define ESDHC_TUNING_START_TAP_DEFAULT 0x1
-#define ESDHC_TUNING_START_TAP_MASK 0xff
+#define ESDHC_TUNING_START_TAP_MASK 0x7f
#define ESDHC_TUNING_STEP_MASK 0x00070000
#define ESDHC_TUNING_STEP_SHIFT 16