mmc: stm32_sdmmc2: protect against unsupported modes

The UHS modes for SD, HS200 and HS400 modes for eMMC are not supported
by the stm32_sdmmc2 driver.
Make it clear by removing the corresponding caps after parsing the DT.

Signed-off-by: Yann Gautier <yann.gautier@foss.st.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>

diff --git a/drivers/mmc/stm32_sdmmc2.c b/drivers/mmc/stm32_sdmmc2.c
index 952d02f..d42262c 100644 (file)
--- a/drivers/mmc/stm32_sdmmc2.c
+++ b/drivers/mmc/stm32_sdmmc2.c
@@ -675,6 +675,8 @@ static int stm32_sdmmc2_of_to_plat(struct udevice *dev)
        if (ret)
                return ret;
 
+       cfg->host_caps &= ~(UHS_CAPS | MMC_MODE_HS200 | MMC_MODE_HS400 | MMC_MODE_HS400_ES);
+
        ret = clk_get_by_index(dev, 0, &plat->clk);
        if (ret)
                return ret;