linux-kernel - [RFC PATCH 35/57] drivers: core: Reuse generic match by device type helper

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Message-Id: <1559577023-558-36-git-send-email-suzuki.poulose@arm.com>
Date:   Mon,  3 Jun 2019 16:50:01 +0100
From:   Suzuki K Poulose <suzuki.poulose@....com>
To:     linux-kernel@...r.kernel.org
Cc:     gregkh@...uxfoundation.org, rafael@...nel.org,
        suzuki.poulose@....com
Subject: [RFC PATCH 35/57] drivers: core: Reuse generic match by device type helper

Use the generic helper to match the device type of a given device.

Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: "Rafael J. Wysocki" <rafael@...nel.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@....com>
---
 drivers/base/core.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/drivers/base/core.c b/drivers/base/core.c
index 731baac..69cba57 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -2839,13 +2839,6 @@ struct device *device_create_with_groups(struct class *class,
 }
 EXPORT_SYMBOL_GPL(device_create_with_groups);
 
-static int __match_devt(struct device *dev, const void *data)
-{
-	const dev_t *devt = data;
-
-	return dev->devt == *devt;
-}
-
 /**
  * device_destroy - removes a device that was created with device_create()
  * @class: pointer to the struct class that this device was registered with
@@ -2858,7 +2851,7 @@ void device_destroy(struct class *class, dev_t devt)
 {
 	struct device *dev;
 
-	dev = class_find_device(class, NULL, &devt, __match_devt);
+	dev = class_find_device_by_devt(class, NULL, devt);
 	if (dev) {
 		put_device(dev);
 		device_unregister(dev);
-- 
2.7.4