On Thu, 2021-08-12 at 09:51 +0300, Felipe Balbi wrote: > Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx> writes: > > > usb_endpoint_maxp() only returns the bit[10:0] of wMaxPacketSize > > of endpoint descriptor, not include bit[12:11] anymore, so use > > usb_endpoint_maxp_mult() instead. > > > > Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx> > > --- > > drivers/usb/cdns3/cdnsp-mem.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/usb/cdns3/cdnsp-mem.c > > b/drivers/usb/cdns3/cdnsp-mem.c > > index a47948a1623f..ad9aee3f1e39 100644 > > --- a/drivers/usb/cdns3/cdnsp-mem.c > > +++ b/drivers/usb/cdns3/cdnsp-mem.c > > @@ -882,7 +882,7 @@ static u32 cdnsp_get_endpoint_max_burst(struct > > usb_gadget *g, > > if (g->speed == USB_SPEED_HIGH && > > (usb_endpoint_xfer_isoc(pep->endpoint.desc) || > > usb_endpoint_xfer_int(pep->endpoint.desc))) > > - return (usb_endpoint_maxp(pep->endpoint.desc) & 0x1800) > > >> 11; > > + return usb_endpoint_maxp_mult(pep->endpoint.desc) - 1; > > this looks like a bugfix. Do we need to Cc stable here? It's better to Cc stable, will do it, thanks > > In any case: > > Acked-by: Felipe Balbi <balbi@xxxxxxxxxx> >
