Allow drivers to use the generic throttle and unthrottle implementation.
This makes sense for drivers using the generic read functionality.
Note that drivers need to set these explicitly in order to enable them
(i.e., we do not set them at port probe if not defined).
Signed-off-by: Johan Hovold <jhovold@xxxxxxxxx>
---
drivers/usb/serial/generic.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index ce0a5fb..d1c8037 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -516,6 +516,7 @@ void usb_serial_generic_throttle(struct tty_struct *tty)
port->throttle_req = 1;
spin_unlock_irqrestore(&port->lock, flags);
}
+EXPORT_SYMBOL_GPL(usb_serial_generic_throttle);
void usb_serial_generic_unthrottle(struct tty_struct *tty)
{
@@ -533,6 +534,7 @@ void usb_serial_generic_unthrottle(struct tty_struct *tty)
if (was_throttled)
usb_serial_generic_submit_read_urb(port, GFP_KERNEL);
}
+EXPORT_SYMBOL_GPL(usb_serial_generic_unthrottle);
int usb_serial_handle_sysrq_char(struct tty_struct *tty,
struct usb_serial_port *port, unsigned int ch)
--
1.7.0.2
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