[PATCH 9/9] USB chipidea i.MX: use devm_usb_get_phy_by_phandle to get phy
Sascha Hauer
s.hauer at pengutronix.de
Fri Feb 1 02:52:12 EST 2013
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
drivers/usb/chipidea/ci13xxx_imx.c | 31 ++++++++++---------------------
1 file changed, 10 insertions(+), 21 deletions(-)
diff --git a/drivers/usb/chipidea/ci13xxx_imx.c b/drivers/usb/chipidea/ci13xxx_imx.c
index b598bb8f..1df4b41 100644
--- a/drivers/usb/chipidea/ci13xxx_imx.c
+++ b/drivers/usb/chipidea/ci13xxx_imx.c
@@ -30,7 +30,6 @@
((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;
@@ -90,12 +89,12 @@ static int ci13xxx_imx_probe(struct platform_device *pdev)
{
struct ci13xxx_imx_data *data;
struct ci13xxx_platform_data *pdata;
- struct platform_device *plat_ci, *phy_pdev;
- struct device_node *phy_np;
+ struct platform_device *plat_ci;
struct resource *res;
struct regulator *reg_vbus;
struct pinctrl *pinctrl;
int ret;
+ struct usb_phy *phy;
if (of_find_property(pdev->dev.of_node, "fsl,usbmisc", NULL)
&& !usbmisc_ops)
@@ -147,18 +146,12 @@ static int ci13xxx_imx_probe(struct platform_device *pdev)
return ret;
}
- phy_np = of_parse_phandle(pdev->dev.of_node, "fsl,usbphy", 0);
- if (phy_np) {
- data->phy_np = phy_np;
- phy_pdev = of_find_device_by_node(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;
}
}
@@ -170,7 +163,7 @@ 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;
}
data->reg_vbus = reg_vbus;
} else {
@@ -222,9 +215,7 @@ static int ci13xxx_imx_probe(struct platform_device *pdev)
err:
if (reg_vbus)
regulator_disable(reg_vbus);
-put_np:
- if (phy_np)
- of_node_put(phy_np);
+err_clk:
clk_disable_unprepare(data->clk);
return ret;
}
@@ -244,8 +235,6 @@ static int ci13xxx_imx_remove(struct platform_device *pdev)
module_put(data->phy->dev->driver->owner);
}
- of_node_put(data->phy_np);
-
clk_disable_unprepare(data->clk);
platform_set_drvdata(pdev, NULL);
--
1.7.10.4
More information about the linux-arm-kernel
mailing list