diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
| commit | 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch) | |
| tree | fa581f6dc1c0596391690d1f67eceef3af8246dc /drivers/mmc/host/sdhci-esdhc-imx.c | |
| parent | d4e493caf788ef44982e131ff9c786546904d934 (diff) | |
Linux-libre 4.5-gnu
Diffstat (limited to 'drivers/mmc/host/sdhci-esdhc-imx.c')
| -rw-r--r-- | drivers/mmc/host/sdhci-esdhc-imx.c | 7 |
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 1f1582f6c..f25f29253 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; } |