diff options
Diffstat (limited to 'drivers/mmc/host/dw_mmc-exynos.c')
| -rw-r--r-- | drivers/mmc/host/dw_mmc-exynos.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/drivers/mmc/host/dw_mmc-exynos.c b/drivers/mmc/host/dw_mmc-exynos.c index 8790f2afc..7e3a3247b 100644 --- a/drivers/mmc/host/dw_mmc-exynos.c +++ b/drivers/mmc/host/dw_mmc-exynos.c @@ -91,10 +91,14 @@ static inline u8 dw_mci_exynos_get_ciu_div(struct dw_mci *host) return SDMMC_CLKSEL_GET_DIV(mci_readl(host, CLKSEL)) + 1; } -static int dw_mci_exynos_priv_init(struct dw_mci *host) +static void dw_mci_exynos_config_smu(struct dw_mci *host) { struct dw_mci_exynos_priv_data *priv = host->priv; + /* + * If Exynos is provided the Security management, + * set for non-ecryption mode at this time. + */ if (priv->ctrl_type == DW_MCI_TYPE_EXYNOS5420_SMU || priv->ctrl_type == DW_MCI_TYPE_EXYNOS7_SMU) { mci_writel(host, MPSBEGIN0, 0); @@ -104,6 +108,13 @@ static int dw_mci_exynos_priv_init(struct dw_mci *host) SDMMC_MPSCTRL_VALID | SDMMC_MPSCTRL_NON_SECURE_WRITE_BIT); } +} + +static int dw_mci_exynos_priv_init(struct dw_mci *host) +{ + struct dw_mci_exynos_priv_data *priv = host->priv; + + dw_mci_exynos_config_smu(host); if (priv->ctrl_type >= DW_MCI_TYPE_EXYNOS5420) { priv->saved_strobe_ctrl = mci_readl(host, HS400_DLINE_CTRL); @@ -115,13 +126,6 @@ static int dw_mci_exynos_priv_init(struct dw_mci *host) DQS_CTRL_GET_RD_DELAY(priv->saved_strobe_ctrl); } - return 0; -} - -static int dw_mci_exynos_setup_clock(struct dw_mci *host) -{ - struct dw_mci_exynos_priv_data *priv = host->priv; - host->bus_hz /= (priv->ciu_div + 1); return 0; @@ -169,7 +173,7 @@ static int dw_mci_exynos_resume(struct device *dev) { struct dw_mci *host = dev_get_drvdata(dev); - dw_mci_exynos_priv_init(host); + dw_mci_exynos_config_smu(host); return dw_mci_resume(host); } @@ -489,7 +493,6 @@ static unsigned long exynos_dwmmc_caps[4] = { static const struct dw_mci_drv_data exynos_drv_data = { .caps = exynos_dwmmc_caps, .init = dw_mci_exynos_priv_init, - .setup_clock = dw_mci_exynos_setup_clock, .set_ios = dw_mci_exynos_set_ios, .parse_dt = dw_mci_exynos_parse_dt, .execute_tuning = dw_mci_exynos_execute_tuning, |