> On 12/03/2013 09:38 AM, Peter Chen wrote:
> >
> >>
> >> 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?
>
> I was wondering if the driver looks more uniform if you use something
> like this:
>
> #define MXS_PHY_NEED_IP_FIX BIT(3)
>
OK, will change like below:
if (mxs_phy->data->flags & MXS_PHY_NEED_IP_FIX)
writel(BM_USBPHY_IP_FIX, base + HW_USBPHY_IP_SET);
Peter
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