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mmc: stm32_sdmmc2: Use mmc_of_parse() to read host capabilities

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mmc_of_parse() can populate the 'f_max' and 'host_caps' fields of
struct mmc_config from devicetree.
The same logic is duplicated in stm32_sdmmc2_probe(). Use
mmc_of_parse(), which is more generic.

Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Reviewed-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
This commit is contained in:
Alexandru Gagniuc 2020-09-09 16:54:02 -05:00 committed by Patrick Delaunay
parent f80b8ac69b
commit c981d67a04
1 changed files with 2 additions and 16 deletions
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18
drivers/mmc/stm32_sdmmc2.c
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@ -676,27 +676,13 @@ static int stm32_sdmmc2_probe(struct udevice *dev)
GPIOD_IS_IN);
cfg->f_min = 400000;
cfg->f_max = dev_read_u32_default(dev, "max-frequency", 52000000);
cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34 | MMC_VDD_165_195;
cfg->b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT;
cfg->name = "STM32 SD/MMC";
cfg->host_caps = 0;
if (cfg->f_max > 25000000)
cfg->host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS;
switch (dev_read_u32_default(dev, "bus-width", 1)) {
case 8:
cfg->host_caps |= MMC_MODE_8BIT;
/* fall through */
case 4:
cfg->host_caps |= MMC_MODE_4BIT;
break;
case 1:
break;
default:
pr_err("invalid \"bus-width\" property, force to 1\n");
}
cfg->f_max = 52000000;
mmc_of_parse(dev, cfg);
upriv->mmc = &plat->mmc;