linux-kernel - [PATCH 08/12] i2c: powermac: use i2c

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Message-Id: <20251223-i2c-printk-helpers-v1-8-46a08306afdb@oss.qualcomm.com>
Date: Tue, 23 Dec 2025 11:02:30 +0100
From: Bartosz Golaszewski <bartosz.golaszewski@....qualcomm.com>
To: Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Andi Shyti <andi.shyti@...nel.org>, Chen-Yu Tsai <wens@...nel.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Khalil Blaiech <kblaiech@...dia.com>, Asmaa Mnebhi <asmaa@...dia.com>,
        Jean Delvare <jdelvare@...e.com>,
        Madhavan Srinivasan <maddy@...ux.ibm.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>,
        "Christophe Leroy (CS GROUP)" <chleroy@...nel.org>,
        Andreas Färber <afaerber@...e.de>,
        Manivannan Sadhasivam <mani@...nel.org>
Cc: linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        linuxppc-dev@...ts.ozlabs.org, linux-actions@...ts.infradead.org,
        Bartosz Golaszewski <brgl@...nel.org>,
        Bartosz Golaszewski <bartosz.golaszewski@....qualcomm.com>
Subject: [PATCH 08/12] i2c: powermac: use i2c_adapter-specific printk
 helpers

Convert all instances of using device printk helpers with struct device
embedded in struct i2c_adapter to the new i2c-specific macros that hide
that dereference.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@....qualcomm.com>
---
 drivers/i2c/busses/i2c-powermac.c | 26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

diff --git a/drivers/i2c/busses/i2c-powermac.c b/drivers/i2c/busses/i2c-powermac.c
index f99a2cc721a81dc328bc03ea88ff959cafe0f05a..fb5482655d6c5c617392e9ccd745433d5d828335 100644
--- a/drivers/i2c/busses/i2c-powermac.c
+++ b/drivers/i2c/busses/i2c-powermac.c
@@ -92,13 +92,13 @@ static s32 i2c_powermac_smbus_xfer(	struct i2c_adapter*	adap,
 
 	rc = pmac_i2c_open(bus, 0);
 	if (rc) {
-		dev_err(&adap->dev, "Failed to open I2C, err %d\n", rc);
+		i2c_err(adap, "Failed to open I2C, err %d\n", rc);
 		return rc;
 	}
 
 	rc = pmac_i2c_setmode(bus, mode);
 	if (rc) {
-		dev_err(&adap->dev, "Failed to set I2C mode %d, err %d\n",
+		i2c_err(adap, "Failed to set I2C mode %d, err %d\n",
 			mode, rc);
 		goto bail;
 	}
@@ -106,11 +106,11 @@ static s32 i2c_powermac_smbus_xfer(	struct i2c_adapter*	adap,
 	rc = pmac_i2c_xfer(bus, addrdir, subsize, subaddr, buf, len);
 	if (rc) {
 		if (rc == -ENXIO)
-			dev_dbg(&adap->dev,
+			i2c_dbg(adap,
 				"I2C transfer at 0x%02x failed, size %d, "
 				"err %d\n", addrdir >> 1, size, rc);
 		else
-			dev_err(&adap->dev,
+			i2c_err(adap,
 				"I2C transfer at 0x%02x failed, size %d, "
 				"err %d\n", addrdir >> 1, size, rc);
 		goto bail;
@@ -145,23 +145,23 @@ static int i2c_powermac_xfer(struct i2c_adapter *adap,
 
 	rc = pmac_i2c_open(bus, 0);
 	if (rc) {
-		dev_err(&adap->dev, "Failed to open I2C, err %d\n", rc);
+		i2c_err(adap, "Failed to open I2C, err %d\n", rc);
 		return rc;
 	}
 	rc = pmac_i2c_setmode(bus, pmac_i2c_mode_std);
 	if (rc) {
-		dev_err(&adap->dev, "Failed to set I2C mode %d, err %d\n",
+		i2c_err(adap, "Failed to set I2C mode %d, err %d\n",
 			pmac_i2c_mode_std, rc);
 		goto bail;
 	}
 	rc = pmac_i2c_xfer(bus, addrdir, 0, 0, msgs->buf, msgs->len);
 	if (rc < 0) {
 		if (rc == -ENXIO)
-			dev_dbg(&adap->dev, "I2C %s 0x%02x failed, err %d\n",
+			i2c_dbg(adap, "I2C %s 0x%02x failed, err %d\n",
 				addrdir & 1 ? "read from" : "write to",
 				addrdir >> 1, rc);
 		else
-			dev_err(&adap->dev, "I2C %s 0x%02x failed, err %d\n",
+			i2c_err(adap, "I2C %s 0x%02x failed, err %d\n",
 				addrdir & 1 ? "read from" : "write to",
 				addrdir >> 1, rc);
 	}
@@ -219,7 +219,7 @@ static u32 i2c_powermac_get_addr(struct i2c_adapter *adap,
 	else if (of_node_name_eq(node, "deq"))
 		return 0x34;
 
-	dev_warn(&adap->dev, "No i2c address for %pOF\n", node);
+	i2c_warn(adap, "No i2c address for %pOF\n", node);
 
 	return 0xffffffff;
 }
@@ -235,7 +235,7 @@ static void i2c_powermac_create_one(struct i2c_adapter *adap,
 	info.addr = addr;
 	newdev = i2c_new_client_device(adap, &info);
 	if (IS_ERR(newdev))
-		dev_err(&adap->dev,
+		i2c_err(adap,
 			"i2c-powermac: Failure to register missing %s\n",
 			type);
 }
@@ -299,7 +299,7 @@ static bool i2c_powermac_get_type(struct i2c_adapter *adap,
 		}
 	}
 
-	dev_err(&adap->dev, "i2c-powermac: modalias failure on %pOF\n", node);
+	i2c_err(adap, "i2c-powermac: modalias failure on %pOF\n", node);
 	return false;
 }
 
@@ -331,7 +331,7 @@ static void i2c_powermac_register_devices(struct i2c_adapter *adap,
 		if (!pmac_i2c_match_adapter(node, adap))
 			continue;
 
-		dev_dbg(&adap->dev, "i2c-powermac: register %pOF\n", node);
+		i2c_dbg(adap, "i2c-powermac: register %pOF\n", node);
 
 		/*
 		 * Keep track of some device existence to handle
@@ -353,7 +353,7 @@ static void i2c_powermac_register_devices(struct i2c_adapter *adap,
 
 		newdev = i2c_new_client_device(adap, &info);
 		if (IS_ERR(newdev)) {
-			dev_err(&adap->dev, "i2c-powermac: Failure to register"
+			i2c_err(adap, "i2c-powermac: Failure to register"
 				" %pOF\n", node);
 			of_node_put(node);
 			/* We do not dispose of the interrupt mapping on

-- 
2.47.3