linux-kernel - [PATCH] usb: chipidea: msm: Use device-managed registration API

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Message-Id: <20190723030206.2919-1-hslester96@gmail.com>
Date:   Tue, 23 Jul 2019 11:02:07 +0800
From:   Chuhong Yuan <hslester96@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Peter Chen <Peter.Chen@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        Chuhong Yuan <hslester96@...il.com>
Subject: [PATCH] usb: chipidea: msm: Use device-managed registration API

Use devm_reset_controller_register to get rid
of manual unregistration.

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

diff --git a/drivers/usb/chipidea/ci_hdrc_msm.c b/drivers/usb/chipidea/ci_hdrc_msm.c
index bb4645a8ca46..067542e84aea 100644
--- a/drivers/usb/chipidea/ci_hdrc_msm.c
+++ b/drivers/usb/chipidea/ci_hdrc_msm.c
@@ -216,7 +216,7 @@ static int ci_hdrc_msm_probe(struct platform_device *pdev)
 	ci->rcdev.ops = &ci_hdrc_msm_reset_ops;
 	ci->rcdev.of_node = pdev->dev.of_node;
 	ci->rcdev.nr_resets = 2;
-	ret = reset_controller_register(&ci->rcdev);
+	ret = devm_reset_controller_register(&pdev->dev, &ci->rcdev);
 	if (ret)
 		return ret;
 
@@ -272,7 +272,6 @@ static int ci_hdrc_msm_probe(struct platform_device *pdev)
 err_iface:
 	clk_disable_unprepare(ci->core_clk);
 err_fs:
-	reset_controller_unregister(&ci->rcdev);
 	return ret;
 }
 
@@ -284,7 +283,6 @@ static int ci_hdrc_msm_remove(struct platform_device *pdev)
 	ci_hdrc_remove_device(ci->ci);
 	clk_disable_unprepare(ci->iface_clk);
 	clk_disable_unprepare(ci->core_clk);
-	reset_controller_unregister(&ci->rcdev);
 
 	return 0;
 }
-- 
2.20.1