diff options
| author | Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> | 2017-12-13 15:46:57 +0900 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2017-12-13 12:50:16 +0200 |
| commit | 05e37b626f7911865ec1f7c19864d1e1edc9f1d0 (patch) | |
| tree | c42ccf76536d58795cfb27a26163fad51f291b10 /drivers/usb/renesas_usbhs | |
| parent | 38d2b5fb75c15923fb89c32134516a623515bce4 (diff) | |
usb: renesas_usbhs: Add a function to write the UGCTRL2 register
To cleanup the code, this patch adds a function to write the UGCTRL2
register.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/renesas_usbhs')
| -rw-r--r-- | drivers/usb/renesas_usbhs/rcar3.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/usb/renesas_usbhs/rcar3.c b/drivers/usb/renesas_usbhs/rcar3.c index c929d296c77b..50e5fb55c8a0 100644 --- a/drivers/usb/renesas_usbhs/rcar3.c +++ b/drivers/usb/renesas_usbhs/rcar3.c @@ -44,13 +44,17 @@ static u32 usbhs_read32(struct usbhs_priv *priv, u32 reg) return ioread32(priv->base + reg); } +static void usbhs_rcar3_set_ugctrl2(struct usbhs_priv *priv, u32 val) +{ + usbhs_write32(priv, UGCTRL2, val | UGCTRL2_RESERVED_3); +} + static int usbhs_rcar3_power_ctrl(struct platform_device *pdev, void __iomem *base, int enable) { struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev); - usbhs_write32(priv, UGCTRL2, UGCTRL2_RESERVED_3 | UGCTRL2_USB0SEL_OTG | - UGCTRL2_VBUSSEL); + usbhs_rcar3_set_ugctrl2(priv, UGCTRL2_USB0SEL_OTG | UGCTRL2_VBUSSEL); if (enable) { usbhs_bset(priv, LPSTS, LPSTS_SUSPM, LPSTS_SUSPM); @@ -73,8 +77,7 @@ static int usbhs_rcar3_power_and_pll_ctrl(struct platform_device *pdev, if (enable) { usbhs_write32(priv, UGCTRL, 0); /* release PLLRESET */ - usbhs_write32(priv, UGCTRL2, UGCTRL2_RESERVED_3 | - UGCTRL2_USB0SEL_HSUSB); + usbhs_rcar3_set_ugctrl2(priv, UGCTRL2_USB0SEL_HSUSB); usbhs_bset(priv, LPSTS, LPSTS_SUSPM, LPSTS_SUSPM); do { |