RE: [PATCH v4 09/17] usb: phy-mxs: Enable IC fixes for related SoCs

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> 
> On 12/03/2013 08:37 AM, Peter Chen wrote:
> > Some PHY bugs are fixed by IC logic, but these bits are not
> > enabled by default, so we enable them at driver.
> >
> > Signed-off-by: Peter Chen <peter.chen@xxxxxxxxxxxxx>
> > ---
> >  drivers/usb/phy/phy-mxs-usb.c |   20 ++++++++++++++++++++
> >  1 files changed, 20 insertions(+), 0 deletions(-)
> >
> > diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-
> usb.c
> > index 8738890..0908d74 100644
> > --- a/drivers/usb/phy/phy-mxs-usb.c
> > +++ b/drivers/usb/phy/phy-mxs-usb.c
> > @@ -31,6 +31,10 @@
> >  #define HW_USBPHY_CTRL_SET			0x34
> >  #define HW_USBPHY_CTRL_CLR			0x38
> >
> > +#define HW_USBPHY_IP				0x90
> > +#define HW_USBPHY_IP_SET			0x94
> > +#define HW_USBPHY_IP_CLR			0x98
> > +
> >  #define BM_USBPHY_CTRL_SFTRST			BIT(31)
> >  #define BM_USBPHY_CTRL_CLKGATE			BIT(30)
> >  #define BM_USBPHY_CTRL_ENAUTOSET_USBCLKS	BIT(26)
> > @@ -42,6 +46,8 @@
> >  #define BM_USBPHY_CTRL_ENUTMILEVEL2		BIT(14)
> >  #define BM_USBPHY_CTRL_ENHOSTDISCONDETECT	BIT(1)
> >
> > +#define BM_USBPHY_IP_FIX                       (BIT(17) | BIT(18))
> > +
> >  #define to_mxs_phy(p) container_of((p), struct mxs_phy, phy)
> >
> >  /* Do disconnection between PHY and controller without vbus */
> > @@ -97,6 +103,16 @@ struct mxs_phy {
> >  	struct regmap *regmap_anatop;
> >  };
> >
> > +static inline bool is_imx6q_phy(struct mxs_phy *mxs_phy)
> > +{
> > +	return mxs_phy->data == &imx6q_phy_data;
> > +}
> > +
> > +static inline bool is_imx6sl_phy(struct mxs_phy *mxs_phy)
> > +{
> > +	return mxs_phy->data == &imx6sl_phy_data;
> > +}
> 
> Why don't you use a a BIT() here as in Patch 2/17, too?
> 
 
Thanks, I will define the two PHY problems as the register bit
position at 2/17, and use those two MACROs at this patch.
Is it your point?

Peter



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