Hi, John Youn <johnyoun@xxxxxxxxxxxx> writes: > Make the skipping of the link TRBS build-in to the increment and > decrement operations. This simplifies the code wherever we increment and > decrement and ensures that we never end up pointing to a link trb. > > Signed-off-by: John Youn <johnyoun@xxxxxxxxxxxx> I had this in my TODO for today :-) Glad I don't have to do it :-p > --- > drivers/usb/dwc3/gadget.c | 26 +++++++++----------------- > 1 file changed, 9 insertions(+), 17 deletions(-) > > diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c > index 8629b60..3eaef22 100644 > --- a/drivers/usb/dwc3/gadget.c > +++ b/drivers/usb/dwc3/gadget.c > @@ -145,21 +145,23 @@ int dwc3_gadget_set_link_state(struct dwc3 *dwc, enum dwc3_link_state state) > return -ETIMEDOUT; > } > > +static bool dwc3_ep_is_last_trb(unsigned int index) > +{ > + return index == (DWC3_TRB_NUM - 1); > +} > + > static void dwc3_ep_inc_enq(struct dwc3_ep *dep) > { > dep->trb_enqueue++; > - dep->trb_enqueue %= DWC3_TRB_NUM; I would really like to keep the comment about skipping link TRB here. -- balbi
Attachment:
signature.asc
Description: PGP signature