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>
diff --git a/drivers/serial/msm_serial.c b/drivers/serial/msm_serial.c
index 1a7c856..698048f 100644
--- a/drivers/serial/msm_serial.c
+++ b/drivers/serial/msm_serial.c
@@ -229,7 +229,7 @@
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 @@
case 115200:
default:
baud_code = UART_CSR_115200;
+ baud = 115200;
rxstale = 31;
break;
}
@@ -299,6 +300,8 @@
/* set TX watermark */
msm_write(port, 10, UART_TFWR);
+
+ return baud;
}
static void msm_reset(struct uart_port *port)
@@ -395,8 +398,10 @@
/* 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;