On Wed, Mar 12, 2014 at 04:21:28PM +0800, Peter Chen wrote:
> On Wed, Mar 12, 2014 at 03:12:48PM +0800, Li Jun wrote:
> > On Wed, Mar 12, 2014 at 03:01:15PM +0800, Peter Chen wrote:
> > > On Thu, Feb 27, 2014 at 07:38:23AM +0800, Li Jun wrote:
> > > > Add b_hnp_enable request handling and enable gadget->is_otg
> > > >
> > > > Signed-off-by: Li Jun <[email protected]>
> > > > ---
> > > > drivers/usb/chipidea/udc.c | 11 ++++++++++-
> > > > 1 file changed, 10 insertions(+), 1 deletion(-)
> > > >
> > > > diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
> > > > index fe30dcc..602bbf3 100644
> > > > --- a/drivers/usb/chipidea/udc.c
> > > > +++ b/drivers/usb/chipidea/udc.c
> > > > @@ -20,6 +20,7 @@
> > > > #include <linux/pm_runtime.h>
> > > > #include <linux/usb/ch9.h>
> > > > #include <linux/usb/gadget.h>
> > > > +#include <linux/usb/otg-fsm.h>
> > > > #include <linux/usb/chipidea.h>
> > > >
> > > > #include "ci.h"
> > > > @@ -1098,6 +1099,14 @@ __acquires(ci->lock)
> > > > default:
> > > > break;
> > > > }
> > > > + break;
> > >
> > > This break is needed?
> > >
> >
> > Yes, needed.
>
> Why, the case USB_DEVICE_TEST_MODE should alway break, isn't it?
>
yes, I don't think the case USB_DEVICE_TEST_MODE should always fall through to
enable HNP here.
> >
> > > > + case USB_DEVICE_B_HNP_ENABLE:
> > > > + if (gadget_is_otg(&ci->gadget))
> > > > {
> > > > + ci->gadget.b_hnp_enable
> > > > = 1;
> > > > + err =
> > > > isr_setup_status_phase(
> > > > + ci);
> > > > + }
> > > > + break;
> > > > default:
> > > > goto delegate;
> > > > }
> > > > @@ -1765,7 +1774,7 @@ static int udc_start(struct ci_hdrc *ci)
> > > > ci->gadget.ops = &usb_gadget_ops;
> > > > ci->gadget.speed = USB_SPEED_UNKNOWN;
> > > > ci->gadget.max_speed = USB_SPEED_HIGH;
> > > > - ci->gadget.is_otg = 0;
> > > > + ci->gadget.is_otg = ci->is_otg ? 1 : 0;
> > > > ci->gadget.name = ci->platdata->name;
> > > >
> > > > INIT_LIST_HEAD(&ci->gadget.ep_list);
> > > > --
> > > > 1.7.9.5
> > > >
> > > >
> > >
> > > --
> > >
> > > Best Regards,
> > > Peter Chen
> > >
> >
>
> --
>
> Best Regards,
> Peter Chen
>
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