diff mbox series

[U-Boot] mmc: dw_mmc: set host_caps mmc modes to equivalent buswidth and lower

Message ID 20180831082951.GA30405@antergos
State Deferred
Delegated to: Tom Rini
Headers show
Series [U-Boot] mmc: dw_mmc: set host_caps mmc modes to equivalent buswidth and lower | expand

Commit Message

Jan Havran Aug. 31, 2018, 8:29 a.m. UTC 
dwmci_setup_cfg was clearing all modes except the mode equivalent to
required bus width. Moreover, for buswidth = 1 was set the 4-bit mode.

This sets host caps to all modes from 1-bit up to required mode.

Signed-off-by: Jan Havran <havran.jan@email.cz>
---
 drivers/mmc/dw_mmc.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c
index 13180fc0d6..8aa8362359 100644
--- a/drivers/mmc/dw_mmc.c
+++ b/drivers/mmc/dw_mmc.c
@@ -501,11 +501,13 @@  void dwmci_setup_cfg(struct mmc_config *cfg, struct dwmci_host *host,
 	cfg->host_caps = host->caps;
 
 	if (host->buswidth == 8) {
-		cfg->host_caps |= MMC_MODE_8BIT;
-		cfg->host_caps &= ~MMC_MODE_4BIT;
-	} else {
-		cfg->host_caps |= MMC_MODE_4BIT;
+		cfg->host_caps |= MMC_MODE_8BIT | MMC_MODE_4BIT | MMC_MODE_1BIT;
+	} else if (host->buswidth == 4) {
 		cfg->host_caps &= ~MMC_MODE_8BIT;
+		cfg->host_caps |= MMC_MODE_4BIT | MMC_MODE_1BIT;
+	} else {
+		cfg->host_caps &= ~MMC_MODE_8BIT & ~MMC_MODE_4BIT;
+		cfg->host_caps |= MMC_MODE_1BIT;
 	}
 	cfg->host_caps |= MMC_MODE_HS | MMC_MODE_HS_52MHz;