From: Johan Hovold <jhovold@gmail.com>
Date: Mon, 29 Oct 2012 09:56:25 +0000 (+0100)
Subject: USB: serial: export usb_serial_generic_chars_in_buffer
X-Git-Tag: upstream/snapshot3+hdmi~6133^2~83
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=428d9988557f0f26047af304cf1f3d130b06ed4d;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

USB: serial: export usb_serial_generic_chars_in_buffer

Export generic chars_in_buffer implementation so it can be used in
subdrivers in combination with checks of any hardware buffers.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index 2966121..2ea70a6 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -262,6 +262,7 @@ int usb_serial_generic_chars_in_buffer(struct tty_struct *tty)
 	dev_dbg(&port->dev, "%s - returns %d\n", __func__, chars);
 	return chars;
 }
+EXPORT_SYMBOL_GPL(usb_serial_generic_chars_in_buffer);
 
 static int usb_serial_generic_submit_read_urb(struct usb_serial_port *port,
 						int index, gfp_t mem_flags)