[U-Boot] [PATCH v2 2/2] usb: phy: omap_usb_phy: implement usb_phy_power() for AM437x

[Marek Vasut]

On Tuesday, June 24, 2014 at 04:38:58 PM, Michael Trimarchi wrote:
[...]
> > index af46db2..f78d532 100644
> > --- a/drivers/usb/phy/omap_usb_phy.c
> > +++ b/drivers/usb/phy/omap_usb_phy.c
> > @@ -222,7 +222,22 @@ static void am437x_enable_usb2_phy2(struct omap_xhci
> 
> *omap)
> 
> >  void usb_phy_power(int on)
> >  {
> > 
> > -       return;
> > +       u32 val;
> > +
> > +       /* USB1_CTRL */
> > +       val = readl(USB1_CTRL);
> > +       if (on) {
> > +               /*
> > +                * these bits are re-used on AM437x to power up/down the
> 
> USB
> 
> > +                * CM and OTG PHYs, if we don't toggle them, USB will not
> 
> be
> 
> > +                * functional on newer silicon revisions
> > +                */
> > +               val &= ~(USB1_CTRL_CM_PWRDN | USB1_CTRL_OTG_PWRDN);
> > +       } else {
> > +               val |= USB1_CTRL_CM_PWRDN | USB1_CTRL_OTG_PWRDN;
> > +       }
> > +
> > +       writel(val, USB1_CTRL);

Thanks, please use clrbits_le32() and setbits_le32() here instead.

Best regards,
Marek Vasut