On Wed, Jul 31, 2013 at 06:51:47PM +0800, Ming Lei wrote: > This patch marks all xHCI controllers as no_sg_limit since > xHCI supports building packet from discontinuous buffers. > > Cc: Sarah Sharp <sarah.a.sh...@linux.intel.com> > Signed-off-by: Ming Lei <ming....@canonical.com>
Acked-by: Sarah Sharp <sarah.a.sh...@linux.intel.com> > --- > drivers/usb/host/xhci.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c > index 2c49f00..541b155 100644 > --- a/drivers/usb/host/xhci.c > +++ b/drivers/usb/host/xhci.c > @@ -4841,6 +4841,10 @@ int xhci_gen_setup(struct usb_hcd *hcd, > xhci_get_quirks_t get_quirks) > > /* Accept arbitrarily long scatter-gather lists */ > hcd->self.sg_tablesize = ~0; > + > + /* support to build packet from discontinuous buffers */ > + hcd->self.no_sg_limit = 1; > + > /* XHCI controllers don't stop the ep queue on short packets :| */ > hcd->self.no_stop_on_short = 1; > > -- > 1.7.9.5 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-usb" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
