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| author | Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> | 2014-10-07 12:43:05 +0900 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2014-11-03 10:00:56 -0600 |
| commit | 5f6aea3453ccafc0c3e16f9f7db79ce91b377e9a (patch) | |
| tree | bb26ddbecdb0bea926f36e7c5ed4cbd1eef685c9 /drivers/usb | |
| parent | c042b85a2cbb0c612e9ed3c7ea1af684bba5dcd3 (diff) | |
| download | linux-stable-5f6aea3453ccafc0c3e16f9f7db79ce91b377e9a.tar.gz linux-stable-5f6aea3453ccafc0c3e16f9f7db79ce91b377e9a.tar.bz2 linux-stable-5f6aea3453ccafc0c3e16f9f7db79ce91b377e9a.zip | |
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')
| -rw-r--r-- | drivers/usb/renesas_usbhs/rcar2.c | 48 |
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) |