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authorAlan Cox <alan@linux.intel.com>2009-06-22 18:43:18 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-22 11:32:25 -0700
commit44da59e4006fbf7c4cc9b54485a37a40726091ee (patch)
tree3e41c60317295bbe7bf29f8c2a65a93aeb76808f /drivers/serial
parent04896a77a97b87e1611dedd61be88264ef4ac96c (diff)
downloadblackbird-op-linux-44da59e4006fbf7c4cc9b54485a37a40726091ee.tar.gz
blackbird-op-linux-44da59e4006fbf7c4cc9b54485a37a40726091ee.zip
msm: fixups to match current code
The tty layer is now a bit more fussy about reporting the right baud rate back. Make the msm driver match the current state of affairs. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/msm_serial.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/serial/msm_serial.c b/drivers/serial/msm_serial.c
index 1a7c856f76f8..698048f64f5e 100644
--- a/drivers/serial/msm_serial.c
+++ b/drivers/serial/msm_serial.c
@@ -229,7 +229,7 @@ static void msm_break_ctl(struct uart_port *port, int break_ctl)
msm_write(port, UART_CR_CMD_STOP_BREAK, UART_CR);
}
-static void msm_set_baud_rate(struct uart_port *port, unsigned int baud)
+static int msm_set_baud_rate(struct uart_port *port, unsigned int baud)
{
unsigned int baud_code, rxstale, watermark;
@@ -281,6 +281,7 @@ static void msm_set_baud_rate(struct uart_port *port, unsigned int baud)
case 115200:
default:
baud_code = UART_CSR_115200;
+ baud = 115200;
rxstale = 31;
break;
}
@@ -299,6 +300,8 @@ static void msm_set_baud_rate(struct uart_port *port, unsigned int baud)
/* set TX watermark */
msm_write(port, 10, UART_TFWR);
+
+ return baud;
}
static void msm_reset(struct uart_port *port)
@@ -395,8 +398,10 @@ static void msm_set_termios(struct uart_port *port, struct ktermios *termios,
/* calculate and set baud rate */
baud = uart_get_baud_rate(port, termios, old, 300, 115200);
- msm_set_baud_rate(port, baud);
-
+ baud = msm_set_baud_rate(port, baud);
+ if (tty_termios_baud_rate(termios))
+ tty_termios_encode_baud_rate(termios, baud, baud);
+
/* calculate parity */
mr = msm_read(port, UART_MR2);
mr &= ~UART_MR2_PARITY_MODE;
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