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authorPekka Enberg <penberg@kernel.org>2010-10-24 20:57:05 +0400
committerPekka Enberg <penberg@kernel.org>2010-10-24 20:57:05 +0400
commit6d4121f6c20a0e86231d52f535f1c82423b3326f (patch)
tree5c235cac699ca86b504850aa663ddadde0455a61 /drivers/usb/serial/usb-serial.c
parent92a5bbc11ff2442a54b2f1d313088c245828ef4e (diff)
parent35da7a307c535f9c2929cae277f3df425c9f9b1e (diff)
downloadlinux-6d4121f6c20a0e86231d52f535f1c82423b3326f.tar.xz
Merge branch 'master' into for-linus
Conflicts: include/linux/percpu.h mm/percpu.c
Diffstat (limited to 'drivers/usb/serial/usb-serial.c')
-rw-r--r--drivers/usb/serial/usb-serial.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 7a2177c79bde..e64da74bdcc5 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -519,6 +519,18 @@ static int serial_tiocmset(struct tty_struct *tty, struct file *file,
return -EINVAL;
}
+static int serial_get_icount(struct tty_struct *tty,
+ struct serial_icounter_struct *icount)
+{
+ struct usb_serial_port *port = tty->driver_data;
+
+ dbg("%s - port %d", __func__, port->number);
+
+ if (port->serial->type->get_icount)
+ return port->serial->type->get_icount(tty, icount);
+ return -EINVAL;
+}
+
/*
* We would be calling tty_wakeup here, but unfortunately some line
* disciplines have an annoying habit of calling tty->write from
@@ -1195,6 +1207,7 @@ static const struct tty_operations serial_ops = {
.chars_in_buffer = serial_chars_in_buffer,
.tiocmget = serial_tiocmget,
.tiocmset = serial_tiocmset,
+ .get_icount = serial_get_icount,
.cleanup = serial_cleanup,
.install = serial_install,
.proc_fops = &serial_proc_fops,