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authorJason Wessel <jason.wessel@windriver.com>2008-04-17 20:05:37 +0200
committerIngo Molnar <mingo@elte.hu>2008-04-17 20:05:37 +0200
commitf2d937f3bf00665ccf048b3b6616ef95859b0945 (patch)
tree6136ded0706be0d39a09a0a912e8f79a4ab63322 /include/linux/serial_core.h
parentdc7d552705215ac50a0617fcf51bb9c736255b8e (diff)
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.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 289942fc665..7cb094a8245 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)