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USB: serial: add tiocmiwait subdriver operation

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Add tiocmiwait operation to struct usb_serial_driver.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold
2013-03-21 12:36:51 +01:00
committed by Greg Kroah-Hartman
parent 5cb27dde2e
commit 143d9d9616
2 changed files with 12 additions and 4 deletions
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include/linux/usb/serial.h
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@@ -272,6 +272,7 @@ struct usb_serial_driver {
int (*tiocmget)(struct tty_struct *tty);
int (*tiocmset)(struct tty_struct *tty,
unsigned int set, unsigned int clear);
int (*tiocmiwait)(struct tty_struct *tty, unsigned long arg);
int (*get_icount)(struct tty_struct *tty,
struct serial_icounter_struct *icount);
/* Called by the tty layer for port level work. There may or may not