On Fri, 9 Mar 2018 11:36:05 +0530 Kirti Wankhede <kwankhede@xxxxxxxxxx> wrote: > Thanks for fixing it. > Patch looks good to me. > +Alex to pull this patch. > > Reviewed by: Kirti Wankhede <kwankhede@xxxxxxxxxx> Applied to vfio next branch for v4.17 with Kirti's Rb. Thanks, Alex > On 3/8/2018 12:38 PM, Shunyong Yang wrote: > > When FIFO mode is enabled, the receive data available interrupt > > (UART_IIR_RDI in code) should be triggered when the number of data > > in FIFO is equal or larger than interrupt trigger level. > > > > This patch changes the trigger level check to ensure multiple bytes > > received from upper layer can trigger RDI interrupt correctly. > > > > Cc: Joey Zheng <yu.zheng@xxxxxxxxxxxxxxxx> > > Signed-off-by: Shunyong Yang <shunyong.yang@xxxxxxxxxxxxxxxx> > > --- > > samples/vfio-mdev/mtty.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/samples/vfio-mdev/mtty.c b/samples/vfio-mdev/mtty.c > > index 09f255bdf3ac..7abb79d8313d 100644 > > --- a/samples/vfio-mdev/mtty.c > > +++ b/samples/vfio-mdev/mtty.c > > @@ -534,7 +534,7 @@ static void handle_bar_read(unsigned int index, struct mdev_state *mdev_state, > > > > /* Interrupt priority 2: Fifo trigger level reached */ > > if ((ier & UART_IER_RDI) && > > - (mdev_state->s[index].rxtx.count == > > + (mdev_state->s[index].rxtx.count >= > > mdev_state->s[index].intr_trigger_level)) > > *buf |= UART_IIR_RDI; > > > >
