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usb: chipidea: i.MX: use devm_usb_get_phy_by_phandle to get phy

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This patch converts the driver to use devm_usb_get_phy_by_phandle
which makes the code smaller and a bit simpler.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sascha Hauer 2013-06-13 18:00:00 +03:00 committed by Greg Kroah-Hartman
parent 0404ae0351
commit ea1418b5f1
1 changed files with 12 additions and 20 deletions
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32
drivers/usb/chipidea/ci13xxx_imx.c
View File

@ -28,7 +28,6 @@
((struct usb_phy *)platform_get_drvdata(pdev))
struct ci13xxx_imx_data {
struct device_node *phy_np;
struct usb_phy *phy;
struct platform_device *ci_pdev;
struct clk *clk;
@ -97,9 +96,9 @@ static int ci13xxx_imx_probe(struct platform_device *pdev)
CI13XXX_PULLUP_ON_VBUS |
CI13XXX_DISABLE_STREAMING,
};
struct platform_device *phy_pdev;
struct resource *res;
int ret;
struct usb_phy *phy;
if (of_find_property(pdev->dev.of_node, "fsl,usbmisc", NULL)
&& !usbmisc_ops)
@ -131,18 +130,16 @@ static int ci13xxx_imx_probe(struct platform_device *pdev)
return ret;
}
data->phy_np = of_parse_phandle(pdev->dev.of_node, "fsl,usbphy", 0);
if (data->phy_np) {
phy_pdev = of_find_device_by_node(data->phy_np);
if (phy_pdev) {
struct usb_phy *phy;
phy = pdev_to_phy(phy_pdev);
if (phy &&
try_module_get(phy_pdev->dev.driver->owner)) {
usb_phy_init(phy);
data->phy = phy;
}
phy = devm_usb_get_phy_by_phandle(&pdev->dev, "fsl,usbphy", 0);
if (!IS_ERR(phy)) {
ret = usb_phy_init(phy);
if (ret) {
dev_err(&pdev->dev, "unable to init phy: %d\n", ret);
goto err_clk;
}
} else if (PTR_ERR(phy) == -EPROBE_DEFER) {
ret = -EPROBE_DEFER;
goto err_clk;
}
/* we only support host now, so enable vbus here */
@ -153,7 +150,7 @@ static int ci13xxx_imx_probe(struct platform_device *pdev)
dev_err(&pdev->dev,
"Failed to enable vbus regulator, err=%d\n",
ret);
goto put_np;
goto err_clk;
}
} else {
data->reg_vbus = NULL;
@ -207,9 +204,7 @@ static int ci13xxx_imx_probe(struct platform_device *pdev)
err:
if (data->reg_vbus)
regulator_disable(data->reg_vbus);
put_np:
if (data->phy_np)
of_node_put(data->phy_np);
err_clk:
clk_disable_unprepare(data->clk);
return ret;
}
@ -229,9 +224,6 @@ static int ci13xxx_imx_remove(struct platform_device *pdev)
module_put(data->phy->dev->driver->owner);
}
if (data->phy_np)
of_node_put(data->phy_np);
clk_disable_unprepare(data->clk);
return 0;