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tty_port: Add a port level carrier detect operation

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This is the first step to generalising the various pieces of waiting logic
duplicated in all sorts of serial drivers.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alan Cox 2009-01-02 13:45:05 +00:00 • committed by Linus Torvalds
parent c9b3976e3f
commit 31f35939d1
19 changed files with 428 additions and 240 deletions
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1
include/linux/generic_serial.h
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@ -21,7 +21,6 @@ struct real_driver {
void (*enable_tx_interrupts) (void *);
void (*disable_rx_interrupts) (void *);
void (*enable_rx_interrupts) (void *);
int (*get_CD) (void *);
void (*shutdown_port) (void*);
int (*set_real_termios) (void*);
int (*chars_in_buffer) (void*);