From: Rob Herring <robh@kernel.org>
Date: Fri, 9 Jun 2023 18:26:16 +0000 (-0600)
Subject: mdio: mdio-mux-mmioreg: Use of_property_read_reg() to parse "reg"
X-Git-Tag: v6.6.17~4555^2~113
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b30a1f305b7bfde19c2ddbb053b51705eef65553;p=platform%2Fkernel%2Flinux-rpi.git

mdio: mdio-mux-mmioreg: Use of_property_read_reg() to parse "reg"

Use the recently added of_property_read_reg() helper to get the
untranslated "reg" address value.

Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/mdio/mdio-mux-mmioreg.c b/drivers/net/mdio/mdio-mux-mmioreg.c
index c02c9c6..09af150 100644
--- a/drivers/net/mdio/mdio-mux-mmioreg.c
+++ b/drivers/net/mdio/mdio-mux-mmioreg.c
@@ -140,14 +140,15 @@ static int mdio_mux_mmioreg_probe(struct platform_device *pdev)
 	 * set any bits outside of the 'mask'.
 	 */
 	for_each_available_child_of_node(np, np2) {
-		iprop = of_get_property(np2, "reg", &len);
-		if (!iprop || len != sizeof(uint32_t)) {
+		u64 reg;
+
+		if (of_property_read_reg(np2, 0, &reg, NULL)) {
 			dev_err(&pdev->dev, "mdio-mux child node %pOF is "
 				"missing a 'reg' property\n", np2);
 			of_node_put(np2);
 			return -ENODEV;
 		}
-		if (be32_to_cpup(iprop) & ~s->mask) {
+		if ((u32)reg & ~s->mask) {
 			dev_err(&pdev->dev, "mdio-mux child node %pOF has "
 				"a 'reg' value with unmasked bits\n",
 				np2);