Blackfin Serial Driver: Fix bug - ircp fails on sir over Blackfin UART

We now use the sir_dev/irtty_sir/uart/bfin_serial drivers framework
to monitor the TX status.

Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h
index 6cddca4aa182..e0ce0c1843d4 100644
--- a/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h
+++ b/arch/blackfin/mach-bf561/include/mach/bfin_serial_5xx.h
@@ -69,6 +69,8 @@
 # endif
 #endif
 
+#define BFIN_UART_TX_FIFO_SIZE  2
+
 struct bfin_serial_port {
         struct uart_port        port;
         unsigned int            old_status;