linux-kernel - [PATCH RESEND 3/3] hwspinlock: sirf: Use devm_hwspin_lock

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <8f94e67b5f9af20a93418a2fc9cc71b194f1285c.1578453662.git.baolin.wang7@gmail.com>
Date:   Wed,  8 Jan 2020 11:23:46 +0800
From:   Baolin Wang <baolin.wang7@...il.com>
To:     ohad@...ery.com, bjorn.andersson@...aro.org, baohua@...nel.org
Cc:     linux-arm-kernel@...ts.infradead.org, baolin.wang7@...il.com,
        linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH RESEND 3/3] hwspinlock: sirf: Use devm_hwspin_lock_register() to register hwlock controller

Use devm_hwspin_lock_register() to register the hwlock controller instead of
unregistering the hwlock controller explicitly when removing the device.

Signed-off-by: Baolin Wang <baolin.wang7@...il.com>
---
 drivers/hwspinlock/sirf_hwspinlock.c |   21 +++------------------
 1 file changed, 3 insertions(+), 18 deletions(-)

diff --git a/drivers/hwspinlock/sirf_hwspinlock.c b/drivers/hwspinlock/sirf_hwspinlock.c
index d62462e..823d3c4 100644
--- a/drivers/hwspinlock/sirf_hwspinlock.c
+++ b/drivers/hwspinlock/sirf_hwspinlock.c
@@ -79,23 +79,9 @@ static int sirf_hwspinlock_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, hwspin);
 
-	return hwspin_lock_register(&hwspin->bank, &pdev->dev,
-				    &sirf_hwspinlock_ops, 0,
-				    HW_SPINLOCK_NUMBER);
-}
-
-static int sirf_hwspinlock_remove(struct platform_device *pdev)
-{
-	struct sirf_hwspinlock *hwspin = platform_get_drvdata(pdev);
-	int ret;
-
-	ret = hwspin_lock_unregister(&hwspin->bank);
-	if (ret) {
-		dev_err(&pdev->dev, "%s failed: %d\n", __func__, ret);
-		return ret;
-	}
-
-	return 0;
+	return devm_hwspin_lock_register(&pdev->dev, &hwspin->bank,
+					 &sirf_hwspinlock_ops, 0,
+					 HW_SPINLOCK_NUMBER);
 }
 
 static const struct of_device_id sirf_hwpinlock_ids[] = {
@@ -106,7 +92,6 @@ static int sirf_hwspinlock_remove(struct platform_device *pdev)
 
 static struct platform_driver sirf_hwspinlock_driver = {
 	.probe = sirf_hwspinlock_probe,
-	.remove = sirf_hwspinlock_remove,
 	.driver = {
 		.name = "atlas7_hwspinlock",
 		.of_match_table = of_match_ptr(sirf_hwpinlock_ids),
-- 
1.7.9.5