mmc: uniphier-sd: migrate to CONFIG_BLK
This is the state-of-the-art MMC driver implementation.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/mmc/uniphier-sd.c b/drivers/mmc/uniphier-sd.c
index 701b26f..4af7fdb 100644
--- a/drivers/mmc/uniphier-sd.c
+++ b/drivers/mmc/uniphier-sd.c
@@ -119,9 +119,12 @@
/* alignment required by the DMA engine of this controller */
#define UNIPHIER_SD_DMA_MINALIGN 0x10
-struct uniphier_sd_priv {
+struct uniphier_sd_plat {
struct mmc_config cfg;
- struct mmc *mmc;
+ struct mmc mmc;
+};
+
+struct uniphier_sd_priv {
void __iomem *regbase;
unsigned long mclk;
unsigned int version;
@@ -654,8 +657,16 @@
}
}
+static int uniphier_sd_bind(struct udevice *dev)
+{
+ struct uniphier_sd_plat *plat = dev_get_platdata(dev);
+
+ return mmc_bind(dev, &plat->mmc, &plat->cfg);
+}
+
static int uniphier_sd_probe(struct udevice *dev)
{
+ struct uniphier_sd_plat *plat = dev_get_platdata(dev);
struct uniphier_sd_priv *priv = dev_get_priv(dev);
struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
fdt_addr_t base;
@@ -691,15 +702,15 @@
return ret;
}
- priv->cfg.name = dev->name;
- priv->cfg.host_caps = MMC_MODE_HS_52MHz | MMC_MODE_HS;
+ plat->cfg.name = dev->name;
+ plat->cfg.host_caps = MMC_MODE_HS_52MHz | MMC_MODE_HS;
switch (fdtdec_get_int(gd->fdt_blob, dev->of_offset, "bus-width", 1)) {
case 8:
- priv->cfg.host_caps |= MMC_MODE_8BIT;
+ plat->cfg.host_caps |= MMC_MODE_8BIT;
break;
case 4:
- priv->cfg.host_caps |= MMC_MODE_4BIT;
+ plat->cfg.host_caps |= MMC_MODE_4BIT;
break;
case 1:
break;
@@ -722,27 +733,13 @@
uniphier_sd_host_init(priv);
- priv->cfg.voltages = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34;
- priv->cfg.f_min = priv->mclk /
+ plat->cfg.voltages = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34;
+ plat->cfg.f_min = priv->mclk /
(priv->caps & UNIPHIER_SD_CAP_DIV1024 ? 1024 : 512);
- priv->cfg.f_max = priv->mclk;
- priv->cfg.b_max = U32_MAX; /* max value of UNIPHIER_SD_SECCNT */
-
- priv->mmc = mmc_create(&priv->cfg, priv);
- if (!priv->mmc)
- return -EIO;
-
- upriv->mmc = priv->mmc;
- priv->mmc->dev = dev;
-
- return 0;
-}
-
-static int uniphier_sd_remove(struct udevice *dev)
-{
- struct uniphier_sd_priv *priv = dev_get_priv(dev);
+ plat->cfg.f_max = priv->mclk;
+ plat->cfg.b_max = U32_MAX; /* max value of UNIPHIER_SD_SECCNT */
- mmc_destroy(priv->mmc);
+ upriv->mmc = &plat->mmc;
return 0;
}
@@ -756,8 +753,9 @@
.name = "uniphier-mmc",
.id = UCLASS_MMC,
.of_match = uniphier_sd_match,
+ .bind = uniphier_sd_bind,
.probe = uniphier_sd_probe,
- .remove = uniphier_sd_remove,
.priv_auto_alloc_size = sizeof(struct uniphier_sd_priv),
+ .platdata_auto_alloc_size = sizeof(struct uniphier_sd_plat),
.ops = &uniphier_sd_ops,
};