This was guarding against a full fifo rather than an empty fifo when
popping. Fix.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
if (s->tsr_retry <= 0) {
if (s->fcr & UART_FCR_FE) {
- s->tsr = fifo8_is_full(&s->xmit_fifo) ?
+ s->tsr = fifo8_is_empty(&s->xmit_fifo) ?
0 : fifo8_pop(&s->xmit_fifo);
if (!s->xmit_fifo.num) {
s->lsr |= UART_LSR_THRE;