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authorYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>2014-10-07 07:43:05 +0400
committerFelipe Balbi <balbi@ti.com>2014-11-03 19:00:56 +0300
commit5f6aea3453ccafc0c3e16f9f7db79ce91b377e9a (patch)
treebb26ddbecdb0bea926f36e7c5ed4cbd1eef685c9 /drivers/usb/renesas_usbhs
parentc042b85a2cbb0c612e9ed3c7ea1af684bba5dcd3 (diff)
downloadlinux-5f6aea3453ccafc0c3e16f9f7db79ce91b377e9a.tar.xz
usb: renesas_usbhs: clean up rcar2.c to support a generic PHY
To support both usb PHY and generic PHY, this patch cleans up rcar2.c. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/renesas_usbhs')
-rw-r--r--drivers/usb/renesas_usbhs/rcar2.c48
1 files changed, 26 insertions, 22 deletions
diff --git a/drivers/usb/renesas_usbhs/rcar2.c b/drivers/usb/renesas_usbhs/rcar2.c
index f264cadc12cd..485b88957a2f 100644
--- a/drivers/usb/renesas_usbhs/rcar2.c
+++ b/drivers/usb/renesas_usbhs/rcar2.c
@@ -20,25 +20,28 @@
static int usbhs_rcar2_hardware_init(struct platform_device *pdev)
{
struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
- struct usb_phy *usb_phy;
- usb_phy = usb_get_phy_dev(&pdev->dev, 0);
- if (IS_ERR(usb_phy))
- return PTR_ERR(usb_phy);
+ if (IS_ENABLED(CONFIG_USB_PHY)) {
+ struct usb_phy *usb_phy = usb_get_phy_dev(&pdev->dev, 0);
- priv->usb_phy = usb_phy;
- return 0;
+ if (IS_ERR(usb_phy))
+ return PTR_ERR(usb_phy);
+
+ priv->usb_phy = usb_phy;
+ return 0;
+ }
+
+ return -ENXIO;
}
static int usbhs_rcar2_hardware_exit(struct platform_device *pdev)
{
struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
- if (!priv->usb_phy)
- return 0;
-
- usb_put_phy(priv->usb_phy);
- priv->usb_phy = NULL;
+ if (priv->usb_phy) {
+ usb_put_phy(priv->usb_phy);
+ priv->usb_phy = NULL;
+ }
return 0;
}
@@ -47,21 +50,22 @@ static int usbhs_rcar2_power_ctrl(struct platform_device *pdev,
void __iomem *base, int enable)
{
struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
+ int retval = -ENODEV;
- if (!priv->usb_phy)
- return -ENODEV;
+ if (priv->usb_phy) {
+ if (enable) {
+ retval = usb_phy_init(priv->usb_phy);
- if (enable) {
- int retval = usb_phy_init(priv->usb_phy);
-
- if (!retval)
- retval = usb_phy_set_suspend(priv->usb_phy, 0);
- return retval;
+ if (!retval)
+ retval = usb_phy_set_suspend(priv->usb_phy, 0);
+ } else {
+ usb_phy_set_suspend(priv->usb_phy, 1);
+ usb_phy_shutdown(priv->usb_phy);
+ retval = 0;
+ }
}
- usb_phy_set_suspend(priv->usb_phy, 1);
- usb_phy_shutdown(priv->usb_phy);
- return 0;
+ return retval;
}
static int usbhs_rcar2_get_id(struct platform_device *pdev)