From: Yann Gautier <yann.gautier@foss.st.com>
Date: Tue, 13 Sep 2022 11:23:45 +0000 (+0200)
Subject: mmc: stm32_sdmmc2: protect against unsupported modes
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=27fbce4326a4d2134791784e054c7acb62ee6761;p=u-boot.git

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 952d02f9b8..d42262c14f 100644
--- 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;