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| author | Jason Wessel <jason.wessel@windriver.com> | 2008-04-17 20:05:37 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-17 20:05:37 +0200 |
| commit | f2d937f3bf00665ccf048b3b6616ef95859b0945 (patch) | |
| tree | 6136ded0706be0d39a09a0a912e8f79a4ab63322 /include/linux/serial_core.h | |
| parent | dc7d552705215ac50a0617fcf51bb9c736255b8e (diff) | |
| download | lwn-f2d937f3bf00665ccf048b3b6616ef95859b0945.tar.gz lwn-f2d937f3bf00665ccf048b3b6616ef95859b0945.zip | |
consoles: polling support, kgdboc
polled console handling support, to access a console in an irq-less
way while in debug or irq context.
absolutely zero impact as long as CONFIG_CONSOLE_POLL is disabled.
(which is the default)
[ jan.kiszka@siemens.com: lots of cleanups ]
[ mingo@elte.hu: redesign, splitups, cleanups. ]
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Jan Kiszka <jan.kiszka@web.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/serial_core.h')
| -rw-r--r-- | include/linux/serial_core.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 289942fc6655..7cb094a82456 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -213,6 +213,10 @@ struct uart_ops { void (*config_port)(struct uart_port *, int); int (*verify_port)(struct uart_port *, struct serial_struct *); int (*ioctl)(struct uart_port *, unsigned int, unsigned long); +#ifdef CONFIG_CONSOLE_POLL + void (*poll_put_char)(struct uart_port *, unsigned char); + int (*poll_get_char)(struct uart_port *); +#endif }; #define UART_CONFIG_TYPE (1 << 0) |