diff options
Diffstat (limited to 'recipes/linux/linux-2.6.18/rename-ttyUS-to-ttyS-or-ttyAT.patch')
| -rw-r--r-- | recipes/linux/linux-2.6.18/rename-ttyUS-to-ttyS-or-ttyAT.patch | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/recipes/linux/linux-2.6.18/rename-ttyUS-to-ttyS-or-ttyAT.patch b/recipes/linux/linux-2.6.18/rename-ttyUS-to-ttyS-or-ttyAT.patch new file mode 100644 index 0000000000..b2a020f809 --- /dev/null +++ b/recipes/linux/linux-2.6.18/rename-ttyUS-to-ttyS-or-ttyAT.patch @@ -0,0 +1,74 @@ +--- + drivers/serial/Kconfig | 18 ++++++++++++++++++ + drivers/serial/atmel_usart.c | 13 +++++++++++-- + 2 files changed, 29 insertions(+), 2 deletions(-) + +Index: linux-2.6.18-avr32/drivers/serial/Kconfig +=================================================================== +--- linux-2.6.18-avr32.orig/drivers/serial/Kconfig 2006-09-14 12:51:15.000000000 +0200 ++++ linux-2.6.18-avr32/drivers/serial/Kconfig 2006-09-14 13:07:37.000000000 +0200 +@@ -267,6 +267,24 @@ config SERIAL_ATMEL_CONSOLE + receives all kernel messages and warnings and which allows + logins in single user mode). + ++config SERIAL_ATMEL_TTYAT ++ bool "Install as device ttyAT0-N instead of ttyS0-N" ++ depends on SERIAL_ATMEL=y ++ help ++ Say Y here if you wish to have the internal UARTs appear as ++ /dev/ttyAT0-N (major 204, minor 154-169) instead of the ++ normal /dev/ttyS0-4 (major 4, minor 64-255). This is ++ necessary if you also want other UARTs, such as external ++ 8250/16C550 compatible UARTs. ++ ++ The ttySn nodes are legally reserved for the 8250 serial driver ++ but are often misused by other serial drivers. ++ ++ To use this, you should create suitable ttyATn device nodes in ++ /dev/, and pass "console=ttyATn" to the kernel. ++ ++ Say Y if you have an external 8250/16C550 UART. If unsure, say N. ++ + config SERIAL_AMBA_PL010 + tristate "ARM AMBA PL010 serial port support" + depends on ARM_AMBA && (BROKEN || !ARCH_VERSATILE) +Index: linux-2.6.18-avr32/drivers/serial/atmel_usart.c +=================================================================== +--- linux-2.6.18-avr32.orig/drivers/serial/atmel_usart.c 2006-09-14 12:51:15.000000000 +0200 ++++ linux-2.6.18-avr32/drivers/serial/atmel_usart.c 2006-09-14 12:51:16.000000000 +0200 +@@ -46,8 +46,17 @@ + * Use the same major/minor numbers as the AT91 USART, which is + * actually the same chip + */ ++ ++#ifdef CONFIG_SERIAL_ATMEL_TTYAT ++#define SERIAL_USART3_MAJOR 204 ++#define MINOR_START 154 ++#define DEVICE_NAME "ttyAT" ++#else + #define SERIAL_USART3_MAJOR TTY_MAJOR + #define MINOR_START 64 ++#define DEVICE_NAME "ttyS" ++#endif ++ + #define NR_PORTS 4 + + #define ERROR_FLAGS (USART3_BIT(CSR_PARE) \ +@@ -923,7 +932,7 @@ out_disable_clk: + + static struct uart_driver usart3_reg; + static struct console usart3_console = { +- .name = "ttyUS", ++ .name = DEVICE_NAME, + .write = usart3_console_write, + .device = uart_console_device, + .setup = usart3_console_setup, +@@ -948,7 +957,7 @@ console_initcall(usart3_console_init); + static struct uart_driver usart3_reg = { + .owner = THIS_MODULE, + .driver_name = "serial", +- .dev_name = "ttyUS", ++ .dev_name = DEVICE_NAME, + .major = SERIAL_USART3_MAJOR, + .minor = MINOR_START, + .nr = NR_PORTS, |