[PATCH v2 10/11] usb: musb: da8xx: Use devm in probe

David Lechner
2016-03-17T03:42:36Z

Simplify things a bit by using devm functions where possible.

Signed-off-by: David Lechner <david@lechnology.com>
---

v2 changes: This is part of a previous patch that was split. No changes from
previous version.

drivers/usb/musb/da8xx.c | 28 ++++++++--------------------
1 file changed, 8 insertions(+), 20 deletions(-)

diff --git a/drivers/usb/musb/da8xx.c b/drivers/usb/musb/da8xx.c
index b03d3b8..50f07a5 100644
--- a/drivers/usb/musb/da8xx.c
+++ b/drivers/usb/musb/da8xx.c
@@ -489,32 +489,27 @@ static int da8xx_probe(struct platform_device *pdev)
struct platform_device *musb;
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");
- if (IS_ERR(clk)) {
+ glue->clk = devm_clk_get(&pdev->dev, "usb20");
+ if (IS_ERR(glue->clk)) {
dev_err(&pdev->dev, "failed to get clock\n");
- ret = PTR_ERR(clk);
- goto err3;
+ return PTR_ERR(glue->clk);
}

- ret = clk_enable(clk);
+ ret = clk_enable(glue->clk);
if (ret) {
dev_err(&pdev->dev, "failed to enable clock\n");
goto err4;
}

glue->dev = &pdev->dev;
- glue->clk = clk;
-
pdata->platform_ops = &da8xx_ops;

glue->phy = usb_phy_generic_register();
@@ -557,15 +552,10 @@ err6:
usb_phy_generic_unregister(glue->phy);

err5:
- clk_disable(clk);
+ clk_disable(glue->clk);

err4:
- clk_put(clk);
-
-err3:
- kfree(glue);

-err0:
return ret;
}

@@ -576,8 +566,6 @@ 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