On 2024-04-08 23:06, Jonas Karlman wrote:
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 <jo...@kwiboo.se>
The description above should use "Linux" instead od "linux", but that's
perhaps not worth sending the v2.
Otherwise, looking good to me. Great job catching this!
Reviewed-by: Dragan Simic <dsi...@manjaro.org>
---
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;
