linux-kernel - [PATCH 1/2] usb: dwc3: Use devres to get clocks

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-next>] [day] [month] [year] [list]

Date:   Fri, 12 Jul 2019 00:26:33 -0700
From:   Andrey Smirnov <andrew.smirnov@...il.com>
To:     linux-usb@...r.kernel.org
Cc:     Andrey Smirnov <andrew.smirnov@...il.com>,
        Felipe Balbi <balbi@...nel.org>,
        Chris Healy <cphealy@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] usb: dwc3: Use devres to get clocks

Use devres to get clocks and drop explicit clock freeing. No
functional change intended.

Signed-off-by: Andrey Smirnov <andrew.smirnov@...il.com>
Cc: Felipe Balbi <balbi@...nel.org>
Cc: Chris Healy <cphealy@...il.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-usb@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
---
 drivers/usb/dwc3/core.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index c9bb93a2c81e..768023a2553c 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1436,7 +1436,7 @@ static int dwc3_probe(struct platform_device *pdev)
 	if (dev->of_node) {
 		dwc->num_clks = ARRAY_SIZE(dwc3_core_clks);
 
-		ret = clk_bulk_get(dev, dwc->num_clks, dwc->clks);
+		ret = devm_clk_bulk_get(dev, dwc->num_clks, dwc->clks);
 		if (ret == -EPROBE_DEFER)
 			return ret;
 		/*
@@ -1449,7 +1449,7 @@ static int dwc3_probe(struct platform_device *pdev)
 
 	ret = reset_control_deassert(dwc->reset);
 	if (ret)
-		goto put_clks;
+		return ret;
 
 	ret = clk_bulk_prepare(dwc->num_clks, dwc->clks);
 	if (ret)
@@ -1536,8 +1536,6 @@ static int dwc3_probe(struct platform_device *pdev)
 	clk_bulk_unprepare(dwc->num_clks, dwc->clks);
 assert_reset:
 	reset_control_assert(dwc->reset);
-put_clks:
-	clk_bulk_put(dwc->num_clks, dwc->clks);
 
 	return ret;
 }
@@ -1560,7 +1558,6 @@ static int dwc3_remove(struct platform_device *pdev)
 
 	dwc3_free_event_buffers(dwc);
 	dwc3_free_scratch_buffers(dwc);
-	clk_bulk_put(dwc->num_clks, dwc->clks);
 
 	return 0;
 }
-- 
2.21.0