Dear Peter Chen,
> On Thu, Jul 11, 2013 at 05:36:10PM +0200, Marek Vasut wrote:
> > Dear Peter Chen,
> >
> > > Since we need otgsc to know vbus's status at some chipidea
> > > controllers even it is peripheral-only mode. Besides, some
> > > SoCs (eg, AR9331 SoC) don't have otgsc register even
> > > the DCCPARAMS_DC and DCCPARAMS_HC are both 1 at CAP_DCCPARAMS.
> > > We inroduce otg_cap attribute to indicate if the controller
> > > is otg capable, defaultly, we follow the rule that if DCCPARAMS_DC
> > > and DCCPARAMS_HC are both 1 at CAP_DCCPARAMS are otg capable, but if
> > > there is exception, the platform can override it by device tree or
> > > platform data.
> > >
> > > Signed-off-by: Peter Chen <peter.chen@xxxxxxxxxxxxx>
> > > ---
> > >
> > > drivers/usb/chipidea/core.c | 35
> > > ++++++++++++++++++++++++++++------- include/linux/usb/chipidea.h |
> > > 13 +++++++++++++
> > > 2 files changed, 41 insertions(+), 7 deletions(-)
> > >
> > > diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
> > > index 93961ff..e8ceb04 100644
> > > --- a/drivers/usb/chipidea/core.c
> > > +++ b/drivers/usb/chipidea/core.c
> > > @@ -405,6 +405,18 @@ static inline void ci_role_destroy(struct ci_hdrc
> > > *ci)
> > >
> > > ci_hdrc_host_destroy(ci);
> > >
> > > }
> > >
> > > +static void ci_get_otg_capable(struct ci_hdrc *ci)
> > > +{
> > > + if (ci->platdata->otg_cap != OTG_CAP_ATTR_IS_NOT_EXISTED)
> >
> > IS_NONEXISTENT , no?
>
> You mean the English for this string? ok, I can change.
Yes, IS_NOT_EXISTED doesn't make much sense. Sorry, don't mean to nitpick.
> It means if the "otg_cap" is not existed at platform data,
> then, the "otg_cap" can be determined by DCCPARAMS
Then maybe just call it OTG_CAP_ATTR_NOT_SET or something .
Best regards,
Marek Vasut
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