mmc: msm_sdhci: use modern DT handling
using fdtdec_* functions is incompatible with OF_LIVE and generally
offers a less friendly interface. Update to use dev_read_* functions
instead.
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
diff --git a/drivers/mmc/msm_sdhci.c b/drivers/mmc/msm_sdhci.c
index f23d425..5689b47 100644
--- a/drivers/mmc/msm_sdhci.c
+++ b/drivers/mmc/msm_sdhci.c
@@ -206,7 +206,7 @@
var_info = (void *)dev_get_driver_data(dev);
/* Disable host-controller mode */
- if (!var_info->mci_removed)
+ if (!var_info->mci_removed && priv->base)
writel(0, priv->base + SDCC_MCI_HC_MODE);
clk_release_bulk(&priv->clks);
@@ -216,21 +216,31 @@
static int msm_of_to_plat(struct udevice *dev)
{
- struct udevice *parent = dev->parent;
struct msm_sdhc *priv = dev_get_priv(dev);
+ const struct msm_sdhc_variant_info *var_info;
struct sdhci_host *host = &priv->host;
- int node = dev_of_offset(dev);
+ int ret;
+
+ var_info = (void*)dev_get_driver_data(dev);
host->name = strdup(dev->name);
host->ioaddr = dev_read_addr_ptr(dev);
- host->bus_width = fdtdec_get_int(gd->fdt_blob, node, "bus-width", 4);
- host->index = fdtdec_get_uint(gd->fdt_blob, node, "index", 0);
- priv->base = (void *)fdtdec_get_addr_size_auto_parent(gd->fdt_blob,
- dev_of_offset(parent), node, "reg", 1, NULL, false);
- if (priv->base == (void *)FDT_ADDR_T_NONE ||
- host->ioaddr == (void *)FDT_ADDR_T_NONE)
+ ret = dev_read_u32(dev, "bus-width", &host->bus_width);
+ if (ret)
+ host->bus_width = 4;
+ ret = dev_read_u32(dev, "index", &host->index);
+ if (ret)
+ host->index = 0;
+ priv->base = dev_read_addr_index_ptr(dev, 1);
+
+ if (!host->ioaddr)
return -EINVAL;
+ if (!var_info->mci_removed && !priv->base) {
+ printf("msm_sdhci: MCI base address not found\n");
+ return -EINVAL;
+ }
+
return 0;
}