diff options
Diffstat (limited to 'packages/linux/linux-2.6.27+2.6.28-rc6/afeb9260/0003-RS-485-mode-of-USART1.patch')
| -rw-r--r-- | packages/linux/linux-2.6.27+2.6.28-rc6/afeb9260/0003-RS-485-mode-of-USART1.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/packages/linux/linux-2.6.27+2.6.28-rc6/afeb9260/0003-RS-485-mode-of-USART1.patch b/packages/linux/linux-2.6.27+2.6.28-rc6/afeb9260/0003-RS-485-mode-of-USART1.patch new file mode 100644 index 0000000000..e60088794f --- /dev/null +++ b/packages/linux/linux-2.6.27+2.6.28-rc6/afeb9260/0003-RS-485-mode-of-USART1.patch @@ -0,0 +1,41 @@ +From 5374be6a8f2644e33e436b1864188442e1b2c156 Mon Sep 17 00:00:00 2001 +From: Sergey Lapin <slapin@ossfans.org> +Date: Fri, 4 Jul 2008 01:53:23 +0400 +Subject: [PATCH] RS-485 mode of USART1 + +Signed-off-by: Sergey Lapin <slapin@ossfans.org> +--- + drivers/serial/atmel_serial.c | 9 ++++++++- + 1 files changed, 8 insertions(+), 1 deletions(-) + +diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c +index 1fee12c..20ced47 100644 +--- a/drivers/serial/atmel_serial.c ++++ b/drivers/serial/atmel_serial.c +@@ -233,8 +233,12 @@ static void atmel_set_mctrl(struct uart_port *port, u_int mctrl) + mode = UART_GET_MR(port) & ~ATMEL_US_CHMODE; + if (mctrl & TIOCM_LOOP) + mode |= ATMEL_US_CHMODE_LOC_LOOP; +- else ++ else { ++ if (port->mapbase == AT91SAM9260_BASE_US1) ++ mode |= ATMEL_US_USMODE_RS485; ++ + mode |= ATMEL_US_CHMODE_NORMAL; ++ } + UART_PUT_MR(port, mode); + } + +@@ -1094,6 +1098,9 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios *termios, + /* disable receiver and transmitter */ + UART_PUT_CR(port, ATMEL_US_TXDIS | ATMEL_US_RXDIS); + ++ if (port->mapbase == AT91SAM9260_BASE_US1) ++ mode |= ATMEL_US_USMODE_RS485; ++ + /* set the parity, stop bits and data size */ + UART_PUT_MR(port, mode); + +-- +1.5.4.1 + |