提交 44da59e4 编写于 作者: A Alan Cox 提交者: Linus Torvalds

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: NAlan Cox <alan@linux.intel.com>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 04896a77
...@@ -229,7 +229,7 @@ static void msm_break_ctl(struct uart_port *port, int break_ctl) ...@@ -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); 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; unsigned int baud_code, rxstale, watermark;
...@@ -281,6 +281,7 @@ static void msm_set_baud_rate(struct uart_port *port, unsigned int baud) ...@@ -281,6 +281,7 @@ static void msm_set_baud_rate(struct uart_port *port, unsigned int baud)
case 115200: case 115200:
default: default:
baud_code = UART_CSR_115200; baud_code = UART_CSR_115200;
baud = 115200;
rxstale = 31; rxstale = 31;
break; break;
} }
...@@ -299,6 +300,8 @@ static void msm_set_baud_rate(struct uart_port *port, unsigned int baud) ...@@ -299,6 +300,8 @@ static void msm_set_baud_rate(struct uart_port *port, unsigned int baud)
/* set TX watermark */ /* set TX watermark */
msm_write(port, 10, UART_TFWR); msm_write(port, 10, UART_TFWR);
return baud;
} }
static void msm_reset(struct uart_port *port) static void msm_reset(struct uart_port *port)
...@@ -395,8 +398,10 @@ static void msm_set_termios(struct uart_port *port, struct ktermios *termios, ...@@ -395,8 +398,10 @@ static void msm_set_termios(struct uart_port *port, struct ktermios *termios,
/* calculate and set baud rate */ /* calculate and set baud rate */
baud = uart_get_baud_rate(port, termios, old, 300, 115200); 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 */ /* calculate parity */
mr = msm_read(port, UART_MR2); mr = msm_read(port, UART_MR2);
mr &= ~UART_MR2_PARITY_MODE; mr &= ~UART_MR2_PARITY_MODE;
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册