commit db288381e26e592b11572ce8199bedeadf0c0830
author Sonic Zhang <sonic.zhang@analog.com> Sat Feb 02 17:05:02 2008 +0800
committer Bryan Wu <cooloney@kernel.org> Sat Feb 02 17:05:02 2008 +0800
tree e10eaa7b1a5b0bfefecd9417be43d12f5e82e006
parent 4cb4f22b19237e63c460c53fbd1c417cdaf63014

[Blackfin] serial driver: Add flow control support to bf54x

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

drivers/serial/bfin_5xx.c

diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index af866ab..69ac700 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -579,7 +579,11 @@
 	if (uart->cts_pin < 0)
 		return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;
 
+# ifdef BF54x
+	if (UART_GET_MSR(uart) & CTS)
+# else
 	if (gpio_get_value(uart->cts_pin))
+# endif
 		return TIOCM_DSR | TIOCM_CAR;
 	else
 #endif
@@ -594,9 +598,17 @@
 		return;
 
 	if (mctrl & TIOCM_RTS)
+# ifdef BF54x
+		UART_PUT_MCR(uart, UART_GET_MCR(uart) & ~MRTS);
+# else
 		gpio_set_value(uart->rts_pin, 0);
+# endif
 	else
+# ifdef BF54x
+		UART_PUT_MCR(uart, UART_GET_MCR(uart) | MRTS);
+# else
 		gpio_set_value(uart->rts_pin, 1);
+# endif
 #endif
 }