linux-kernel - [PATCH] counter/ftm-quaddec: Use device-managed registration API

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Message-Id: <20190725085458.21838-1-hslester96@gmail.com>
Date:   Thu, 25 Jul 2019 16:54:58 +0800
From:   Chuhong Yuan <hslester96@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Patrick Havelange <patrick.havelange@...ensium.com>,
        William Breathitt Gray <vilhelm.gray@...il.com>,
        linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Chuhong Yuan <hslester96@...il.com>
Subject: [PATCH] counter/ftm-quaddec: Use device-managed registration API

Make use of devm_counter_register.
Then we can remove redundant unregistration API
usage to make code simpler.

Signed-off-by: Chuhong Yuan <hslester96@...il.com>
---
 drivers/counter/ftm-quaddec.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/counter/ftm-quaddec.c b/drivers/counter/ftm-quaddec.c
index 68a9b7393457..bccbca8681b6 100644
--- a/drivers/counter/ftm-quaddec.c
+++ b/drivers/counter/ftm-quaddec.c
@@ -317,7 +317,7 @@ static int ftm_quaddec_probe(struct platform_device *pdev)
 
 	ftm_quaddec_init(ftm);
 
-	ret = counter_register(&ftm->counter);
+	ret = devm_counter_register(&pdev->dev, &ftm->counter);
 	if (ret)
 		ftm_quaddec_disable(ftm);
 
@@ -328,8 +328,6 @@ static int ftm_quaddec_remove(struct platform_device *pdev)
 {
 	struct ftm_quaddec *ftm = platform_get_drvdata(pdev);
 
-	counter_unregister(&ftm->counter);
-
 	ftm_quaddec_disable(ftm);
 
 	return 0;
-- 
2.20.1