Hi, On Wed, Feb 26, 2020 at 1:04 PM Guenter Roeck <linux@xxxxxxxxxxxx> wrote: > > The DWC2 documentation states that transfers with zero data length should > set the number of packets to 1 and the transfer length to 0. This is not > currently the case for inbound transfers: the transfer length is set to > the maximum packet length. This can have adverse effects if the chip > actually does transfer data as it is programmed to do. Follow chip > documentation and keep the transfer length set to 0 in that situation. > > Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx> > --- > drivers/usb/dwc2/hcd.c | 15 ++++++++------- > 1 file changed, 8 insertions(+), 7 deletions(-) I don't have any other test setup that you don't have, so just giving my review tag and not tested tag. I will note that it feels like this should have a "Fixes" tag or a direct Cc to stable to make it obvious that it should make its way back to stable trees. Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
