[PATCH 7/8] Blackfin Serial Driver: Fix bug - ircp fails on sir over Blackfin UART

[Bryan Wu <cooloney@kernel.org>]

From: Graf Yang <graf.yang@analog.com>

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>
---
 drivers/serial/bfin_5xx.c                         |    4 ++++
 include/asm-blackfin/mach-bf527/bfin_serial_5xx.h |    3 +++
 include/asm-blackfin/mach-bf533/bfin_serial_5xx.h |    2 ++
 include/asm-blackfin/mach-bf537/bfin_serial_5xx.h |    3 +++
 include/asm-blackfin/mach-bf548/bfin_serial_5xx.h |    3 +++
 include/asm-blackfin/mach-bf561/bfin_serial_5xx.h |    2 ++
 6 files changed, 17 insertions(+), 0 deletions(-)

diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index afeff9f..ac74d8b 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -761,6 +761,9 @@ bfin_serial_set_termios(struct uart_port *port, struct ktermios *termios,
 	val |= UCEN;
 	UART_PUT_GCTL(uart, val);
 
+	/* Port speed changed, update the per-port timeout. */
+	uart_update_timeout(port, termios->c_cflag, baud);
+
 	spin_unlock_irqrestore(&uart->port.lock, flags);
 }
 
@@ -865,6 +868,7 @@ static void __init bfin_serial_init_ports(void)
 
 	for (i = 0; i < nr_active_ports; i++) {
 		bfin_serial_ports[i].port.uartclk   = get_sclk();
+		bfin_serial_ports[i].port.fifosize  = BFIN_UART_TX_FIFO_SIZE;
 		bfin_serial_ports[i].port.ops       = &bfin_serial_pops;
 		bfin_serial_ports[i].port.line      = i;
 		bfin_serial_ports[i].port.iotype    = UPIO_MEM;
diff --git a/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h
index a23d047..75722d6 100644
--- a/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf527/bfin_serial_5xx.h
@@ -78,6 +78,9 @@
 #  define CONFIG_UART1_RTS_PIN -1
 # endif
 #endif
+
+#define BFIN_UART_TX_FIFO_SIZE	2
+
 /*
  * The pin configuration is different from schematic
  */
diff --git a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
index 20471cd..815bfe5 100644
--- a/include/asm-blackfin/mach-bf533/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf533/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;
diff --git a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
index 08dfe30..b3f87e1 100644
--- a/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf537/bfin_serial_5xx.h
@@ -78,6 +78,9 @@
 #  define CONFIG_UART1_RTS_PIN -1
 # endif
 #endif
+
+#define BFIN_UART_TX_FIFO_SIZE	2
+
 /*
  * The pin configuration is different from schematic
  */
diff --git a/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h
index 76976b1..e4cf35e 100644
--- a/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf548/bfin_serial_5xx.h
@@ -82,6 +82,9 @@
 #  define CONFIG_UART1_RTS_PIN -1
 # endif
 #endif
+
+#define BFIN_UART_TX_FIFO_SIZE	2
+
 /*
  * The pin configuration is different from schematic
  */
diff --git a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h b/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
index 6cddca4..e0ce0c1 100644
--- a/include/asm-blackfin/mach-bf561/bfin_serial_5xx.h
+++ b/include/asm-blackfin/mach-bf561/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;
-- 
1.5.6