[PATCH v3 4/5] HID: mcp2221: switch i2c registration to devm functions

From: Matt Ranostay <matt.ranostay@konsulko.com>
To: gupt21@gmail.com, jic23@kernel.org
Cc: linux-iio@vger.kernel.org, linux-input@vger.kernel.org,
	linux-i2c@vger.kernel.org,
	Matt Ranostay <matt.ranostay@konsulko.com>
Subject: [PATCH v3 4/5] HID: mcp2221: switch i2c registration to devm functions
Date: Mon, 12 Sep 2022 10:32:01 -0700	[thread overview]
Message-ID: <20220912173202.16723-5-matt.ranostay@konsulko.com> (raw)
In-Reply-To: <20220912173202.16723-1-matt.ranostay@konsulko.com>

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: Matt Ranostay <matt.ranostay@konsulko.com>
---
 drivers/hid/hid-mcp2221.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/hid/hid-mcp2221.c b/drivers/hid/hid-mcp2221.c
index de52e9f7bb8c..29e69576c3d4 100644
--- a/drivers/hid/hid-mcp2221.c
+++ b/drivers/hid/hid-mcp2221.c
@@ -873,7 +873,7 @@ static int mcp2221_probe(struct hid_device *hdev,
 			"MCP2221 usb-i2c bridge on hidraw%d",
 			((struct hidraw *)hdev->hidraw)->minor);
 
-	ret = i2c_add_adapter(&mcp->adapter);
+	ret = devm_i2c_add_adapter(&hdev->dev, &mcp->adapter);
 	if (ret) {
 		hid_err(hdev, "can't add usb-i2c adapter: %d\n", ret);
 		goto err_i2c;
@@ -884,7 +884,7 @@ static int mcp2221_probe(struct hid_device *hdev,
 	mcp->gc = devm_kzalloc(&hdev->dev, sizeof(*mcp->gc), GFP_KERNEL);
 	if (!mcp->gc) {
 		ret = -ENOMEM;
-		goto err_gc;
+		goto err_i2c;
 	}
 
 	mcp->gc->label = "mcp2221_gpio";
@@ -900,12 +900,10 @@ static int mcp2221_probe(struct hid_device *hdev,
 
 	ret = devm_gpiochip_add_data(&hdev->dev, mcp->gc, mcp);
 	if (ret)
-		goto err_gc;
+		goto err_i2c;
 
 	return 0;
 
-err_gc:
-	i2c_del_adapter(&mcp->adapter);
 err_i2c:
 	hid_hw_close(mcp->hdev);
 err_hstop:
@@ -917,7 +915,6 @@ static void mcp2221_remove(struct hid_device *hdev)
 {
 	struct mcp2221 *mcp = hid_get_drvdata(hdev);
 
-	i2c_del_adapter(&mcp->adapter);
 	hid_hw_close(mcp->hdev);
 	hid_hw_stop(mcp->hdev);
 }
-- 
2.37.2

