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Message-Id: <1460658919-4965-7-git-send-email-david@lechnology.com>
Date: Thu, 14 Apr 2016 13:35:17 -0500
From: David Lechner <david@...hnology.com>
To: unlisted-recipients:; (no To-header on input)
Cc: petr@...ix.com, sergei.shtylyov@...entembedded.com,
khilman@...nel.org, nsekhar@...com,
David Lechner <david@...hnology.com>,
Rob Herring <robh+dt@...nel.org>,
Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Kumar Gala <galak@...eaurora.org>,
Kishon Vijay Abraham I <kishon@...com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Alan Stern <stern@...land.harvard.edu>, Bin Liu <b-liu@...com>,
Lee Jones <lee.jones@...aro.org>, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: [PATCH v4 6/7] usb: musb: da8xx: Use devm in probe
Simplify things a bit by using devm functions where possible.
Signed-off-by: David Lechner <david@...hnology.com>
---
v4 changes: no change
drivers/usb/musb/da8xx.c | 19 +++++--------------
1 file changed, 5 insertions(+), 14 deletions(-)
diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c
index b03d3b8..0c1997c 100644
--- a/drivers/usb/musb/da8xx.c
+++ b/drivers/usb/musb/da8xx.c
@@ -490,20 +490,18 @@ static int da8xx_probe(struct platform_device *pdev)
struct da8xx_glue *glue;
struct platform_device_info pinfo;
struct clk *clk;
+ int ret;
- int ret = -ENOMEM;
-
- glue = kzalloc(sizeof(*glue), GFP_KERNEL);
+ glue = devm_kzalloc(&pdev->dev, sizeof(*glue), GFP_KERNEL);
if (!glue) {
dev_err(&pdev->dev, "failed to allocate glue context\n");
- goto err0;
+ return -ENOMEM;
}
- clk = clk_get(&pdev->dev, "usb20");
+ clk = devm_clk_get(&pdev->dev, "usb20");
if (IS_ERR(clk)) {
dev_err(&pdev->dev, "failed to get clock\n");
- ret = PTR_ERR(clk);
- goto err3;
+ return PTR_ERR(clk);
}
ret = clk_enable(clk);
@@ -560,12 +558,7 @@ err5:
clk_disable(clk);
err4:
- clk_put(clk);
-
-err3:
- kfree(glue);
-err0:
return ret;
}
@@ -576,8 +569,6 @@ static int da8xx_remove(struct platform_device *pdev)
platform_device_unregister(glue->musb);
usb_phy_generic_unregister(glue->phy);
clk_disable(glue->clk);
- clk_put(glue->clk);
- kfree(glue);
return 0;
}
--
1.9.1
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