linux-kernel - [RFC PATCH 36/57] drivers: mei: Use class_find_device_by

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Message-Id: <1559577023-558-37-git-send-email-suzuki.poulose@arm.com>
Date:   Mon,  3 Jun 2019 16:50:02 +0100
From:   Suzuki K Poulose <suzuki.poulose@....com>
To:     linux-kernel@...r.kernel.org
Cc:     gregkh@...uxfoundation.org, rafael@...nel.org,
        suzuki.poulose@....com, Tomas Winkler <tomas.winkler@...el.com>,
        Arnd Bergmann <arnd@...db.de>
Subject: [RFC PATCH 36/57] drivers: mei: Use class_find_device_by_devt match helper

Switch to the generic helper class_find_device_by_devt.

Cc: Tomas Winkler <tomas.winkler@...el.com>
Cc: Arnd Bergmann <arnd@...db.de>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@....com>
---
 drivers/misc/mei/main.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index ad02097..243b481 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -858,13 +858,6 @@ static ssize_t dev_state_show(struct device *device,
 }
 static DEVICE_ATTR_RO(dev_state);
 
-static int match_devt(struct device *dev, const void *data)
-{
-	const dev_t *devt = data;
-
-	return dev->devt == *devt;
-}
-
 /**
  * dev_set_devstate: set to new device state and notify sysfs file.
  *
@@ -880,7 +873,7 @@ void mei_set_devstate(struct mei_device *dev, enum mei_dev_state state)
 
 	dev->dev_state = state;
 
-	clsdev = class_find_device(mei_class, NULL, &dev->cdev.dev, match_devt);
+	clsdev = class_find_device_by_devt(mei_class, NULL, dev->cdev.dev);
 	if (clsdev) {
 		sysfs_notify(&clsdev->kobj, NULL, "dev_state");
 		put_device(clsdev);
-- 
2.7.4