linux-kernel - [PATCH] i2c: mpc: Use of_property_read

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Message-Id: <20230609183044.1764951-1-robh@kernel.org>
Date:   Fri,  9 Jun 2023 12:30:44 -0600
From:   Rob Herring <robh@...nel.org>
To:     Chris Packham <chris.packham@...iedtelesis.co.nz>
Cc:     linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] i2c: mpc: 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@...nel.org>
---
 drivers/i2c/busses/i2c-mpc.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
index cfd074ee6d54..595dce9218ad 100644
--- a/drivers/i2c/busses/i2c-mpc.c
+++ b/drivers/i2c/busses/i2c-mpc.c
@@ -316,9 +316,10 @@ static void mpc_i2c_setup_512x(struct device_node *node,
 	if (node_ctrl) {
 		ctrl = of_iomap(node_ctrl, 0);
 		if (ctrl) {
+			u64 addr;
 			/* Interrupt enable bits for i2c-0/1/2: bit 24/26/28 */
-			pval = of_get_property(node, "reg", NULL);
-			idx = (*pval & 0xff) / 0x20;
+			of_property_read_reg(node, 0, &addr, NULL);
+			idx = (addr & 0xff) / 0x20;
 			setbits32(ctrl, 1 << (24 + idx * 2));
 			iounmap(ctrl);
 		}
-- 
2.39.2