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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>
This commit is contained in:
Jaehoon Chung 2016-06-29 19:46:18 +09:00 committed by Minkyu Kang
parent d956a67ed1
commit 70f6d39433
1 changed files with 2 additions and 6 deletions
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8
drivers/mmc/exynos_dw_mmc.c
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@ -154,12 +154,8 @@ static int exynos_dwmci_get_config(const void *blob, int node,
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");