[PATCH 2/2] mmc: Add support for the no-mmc-hs400 prop

[Jonas Karlman]

The linux commit f722e650d965 ("mmc: core: add support for disabling
HS400 mode via DT") added support for a no-mmc-hs400 prop.

Add support for the no-mmc-hs400 prop to disable HS400 host caps.

Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
---
 drivers/mmc/mmc-uclass.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/mmc/mmc-uclass.c b/drivers/mmc/mmc-uclass.c
index 1349da72b102..1b454e8ec758 100644
--- a/drivers/mmc/mmc-uclass.c
+++ b/drivers/mmc/mmc-uclass.c
@@ -256,6 +256,9 @@ int mmc_of_parse(struct udevice *dev, struct mmc_config *cfg)
 		cfg->host_caps |= MMC_CAP(MMC_HS_400) | MMC_CAP(MMC_HS_200);
 	if (dev_read_bool(dev, "mmc-hs400-enhanced-strobe"))
 		cfg->host_caps |= MMC_CAP(MMC_HS_400_ES);
+	if (dev_read_bool(dev, "no-mmc-hs400"))
+		cfg->host_caps &= ~(MMC_CAP(MMC_HS_400) |
+				    MMC_CAP(MMC_HS_400_ES));
 
 	if (dev_read_bool(dev, "non-removable")) {
 		cfg->host_caps |= MMC_CAP_NONREMOVABLE;
-- 
2.43.2