[PATCH] clk: at91: compat: partially revert "dm: Remove uses of device_bind_offset()"

[Eugen Hristev]

Revert changes in at91 compat.c that cause u-boot to fail booting on
sama5d4_xplained and sama5d2_xplained

Log below:

<debug_uart>
No serial driver found
Could not initialize timer (err -19)

Could not initialize timer (err -19)

Could not initialize timer (err -19)

Could not initialize timer (err -19)

Could not initialize timer (err -19)

Could not initialize timer (err -19)

Could not initialize timer (err -19)

Could not initialize timer (err -19)

Fixes: a2703ce10c ("dm: Remove uses of device_bind_offset()")
Cc: Simon Glass <sjg at chromium.org>
Signed-off-by: Eugen Hristev <eugen.hristev at microchip.com>
---
 drivers/clk/at91/compat.c | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/drivers/clk/at91/compat.c b/drivers/clk/at91/compat.c
index e514f26656..dfdc3a6a92 100644
--- a/drivers/clk/at91/compat.c
+++ b/drivers/clk/at91/compat.c
@@ -62,30 +62,34 @@ static int at91_pmc_core_probe(struct udevice *dev)
  */
 int at91_clk_sub_device_bind(struct udevice *dev, const char *drv_name)
 {
-	ofnode parent = dev_ofnode(dev);
-	ofnode node;
+	const void *fdt = gd->fdt_blob;
+	int offset = dev_of_offset(dev);
 	bool pre_reloc_only = !(gd->flags & GD_FLG_RELOC);
 	const char *name;
 	int ret;
 
-	ofnode_for_each_subnode(node, parent) {
-		if (pre_reloc_only && !ofnode_pre_reloc(node))
+	for (offset = fdt_first_subnode(fdt, offset);
+	     offset > 0;
+	     offset = fdt_next_subnode(fdt, offset)) {
+		if (pre_reloc_only &&
+		    !ofnode_pre_reloc(offset_to_ofnode(offset)))
 			continue;
 		/*
 		 * If this node has "compatible" property, this is not
 		 * a clock sub-node, but a normal device. skip.
 		 */
-		if (ofnode_read_prop(node, "compatible", NULL))
+		fdt_get_property(fdt, offset, "compatible", &ret);
+		if (ret >= 0)
 			continue;
 
 		if (ret != -FDT_ERR_NOTFOUND)
 			return ret;
 
-		name = ofnode_get_name(node);
+		name = fdt_get_name(fdt, offset, NULL);
 		if (!name)
 			return -EINVAL;
-		ret = device_bind_driver_to_node(dev, drv_name, name, node,
-						 NULL);
+		ret = device_bind_driver_to_node(dev, drv_name, name,
+					offset_to_ofnode(offset), NULL);
 		if (ret)
 			return ret;
 	}
-- 
2.25.1