[PATCH v3 22/38] mmc: exynos_dw_mmc: Convert to use livetree API

Sam Protsenko semen.protsenko at linaro.org
Mon Jul 22 19:57:24 CEST 2024


Update the driver to use livetree API instead of FDT one.

No functional change.

Signed-off-by: Sam Protsenko <semen.protsenko at linaro.org>
---
Changes in v3:
  - (none)

Changes in v2:
  - Moved exynos_dwmmc_of_to_plat() under #ifdef CONFIG_DM_MMC stanza

 drivers/mmc/exynos_dw_mmc.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/drivers/mmc/exynos_dw_mmc.c b/drivers/mmc/exynos_dw_mmc.c
index 09a59fdf0120..50d0208b29fd 100644
--- a/drivers/mmc/exynos_dw_mmc.c
+++ b/drivers/mmc/exynos_dw_mmc.c
@@ -6,9 +6,7 @@
 
 #include <clk.h>
 #include <dwmmc.h>
-#include <fdtdec.h>
 #include <asm/global_data.h>
-#include <linux/libfdt.h>
 #include <malloc.h>
 #include <errno.h>
 #include <asm/arch/dwmmc.h>
@@ -226,18 +224,19 @@ static int do_dwmci_init(struct dwmci_host *host)
 #ifdef CONFIG_DM_MMC
 static int exynos_dwmmc_of_to_plat(struct udevice *dev)
 {
-	const void *blob = gd->fdt_blob;
 	struct dwmci_exynos_priv_data *priv = dev_get_priv(dev);
 	struct dwmci_host *host = &priv->host;
-	int node = dev_of_offset(dev);
 	int err = 0;
 	u32 timing[3];
 
 #ifdef CONFIG_CPU_V7A
+	const void *blob = gd->fdt_blob;
+	int node = dev_of_offset(dev);
+
 	/* Extract device id for each mmc channel */
 	host->dev_id = pinmux_decode_periph_id(blob, node);
 
-	host->dev_index = fdtdec_get_int(blob, node, "index", host->dev_id);
+	host->dev_index = dev_read_u32_default(dev, "index", host->dev_id);
 	if (host->dev_index == host->dev_id)
 		host->dev_index = host->dev_id - PERIPH_ID_SDMMC0;
 
@@ -253,7 +252,7 @@ static int exynos_dwmmc_of_to_plat(struct udevice *dev)
 #endif
 
 	/* Get the bus width from the device node (Default is 4bit buswidth) */
-	host->buswidth = fdtdec_get_int(blob, node, "samsung,bus-width", 4);
+	host->buswidth = dev_read_u32_default(dev, "samsung,bus-width", 4);
 
 	/* Set the base address from the device node */
 	host->ioaddr = dev_read_addr_ptr(dev);
@@ -263,7 +262,7 @@ static int exynos_dwmmc_of_to_plat(struct udevice *dev)
 	}
 
 	/* Extract the timing info from the node */
-	err =  fdtdec_get_int_array(blob, node, "samsung,timing", timing, 3);
+	err = dev_read_u32_array(dev, "samsung,timing", timing, 3);
 	if (err) {
 		printf("DWMMC%d: Can't get sdr-timings for devider\n",
 				host->dev_index);
@@ -283,8 +282,8 @@ static int exynos_dwmmc_of_to_plat(struct udevice *dev)
 	}
 
 	host->fifo_depth = dev_read_u32_default(dev, "fifo-depth", 0);
-	host->bus_hz = fdtdec_get_int(blob, node, "bus_hz", 0);
-	host->div = fdtdec_get_int(blob, node, "div", 0);
+	host->bus_hz = dev_read_u32_default(dev, "bus_hz", 0);
+	host->div = dev_read_u32_default(dev, "div", 0);
 
 	return 0;
 }
-- 
2.39.2



More information about the U-Boot mailing list