mmc: exynos_dw_mmc: use the 4bit bus-width by default
If there is not "samsung,bus-width" property, use the 4bit buswidth by
default.
Almost all Exnyos SoCs support at least 4bit buswidth.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/drivers/mmc/exynos_dw_mmc.c b/drivers/mmc/exynos_dw_mmc.c
index cfbe135..ab0df46 100644
--- a/drivers/mmc/exynos_dw_mmc.c
+++ b/drivers/mmc/exynos_dw_mmc.c
@@ -154,12 +154,8 @@
return -EINVAL;
}
- /* Get the bus width from the device node */
- host->buswidth = fdtdec_get_int(blob, node, "samsung,bus-width", 0);
- if (host->buswidth <= 0) {
- printf("DWMMC%d: Can't get bus-width\n", host->dev_index);
- return -EINVAL;
- }
+ /* Get the bus width from the device node (Default is 4bit buswidth) */
+ host->buswidth = fdtdec_get_int(blob, node, "samsung,bus-width", 4);
/* Set the base address from the device node */
base = fdtdec_get_addr(blob, node, "reg");