linux-kernel - [PATCH v1 06/12] i2c: isch: switch i2c registration to devm functions

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Message-ID: <20240911154820.2846187-7-andriy.shevchenko@linux.intel.com>
Date: Wed, 11 Sep 2024 18:39:19 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
	linux-i2c@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: Jean Delvare <jdelvare@...e.com>,
	Andi Shyti <andi.shyti@...nel.org>
Subject: [PATCH v1 06/12] i2c: isch: switch i2c registration to devm functions

Switch from i2c_add_adapter() to resource managed devm_i2c_add_adapter()
for matching rest of driver initialization, and more concise code.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/i2c/busses/i2c-isch.c | 17 +----------------
 1 file changed, 1 insertion(+), 16 deletions(-)

diff --git a/drivers/i2c/busses/i2c-isch.c b/drivers/i2c/busses/i2c-isch.c
index 4ec6c0a66a96..679fe3049299 100644
--- a/drivers/i2c/busses/i2c-isch.c
+++ b/drivers/i2c/busses/i2c-isch.c
@@ -274,7 +274,6 @@ static int smbus_sch_probe(struct platform_device *dev)
 {
 	struct sch_i2c *priv;
 	struct resource *res;
-	int retval;
 
 	priv = devm_kzalloc(&dev->dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv)
@@ -299,20 +298,7 @@ static int smbus_sch_probe(struct platform_device *dev)
 	snprintf(priv->adapter.name, sizeof(priv->adapter.name),
 		"SMBus SCH adapter at %04x", res->start);
 
-	retval = i2c_add_adapter(&priv->adapter);
-	if (retval)
-		return retval;
-
-	platform_set_drvdata(dev, priv);
-
-	return 0;
-}
-
-static void smbus_sch_remove(struct platform_device *pdev)
-{
-	struct sch_i2c *priv = platform_get_drvdata(pdev);
-
-	i2c_del_adapter(&priv->adapter);
+	return devm_i2c_add_adapter(&dev->dev, &priv->adapter);
 }
 
 static struct platform_driver smbus_sch_driver = {
@@ -320,7 +306,6 @@ static struct platform_driver smbus_sch_driver = {
 		.name = "isch_smbus",
 	},
 	.probe		= smbus_sch_probe,
-	.remove_new	= smbus_sch_remove,
 };
 
 module_platform_driver(smbus_sch_driver);
-- 
2.43.0.rc1.1336.g36b5255a03ac