From: Johan Hovold <jhovold@gmail.com>
Date: Sun, 18 Nov 2012 12:23:33 +0000 (+0100)
Subject: USB: opticon: increase bulk-in size
X-Git-Tag: upstream/snapshot3+hdmi~6133^2~16
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=333396fc703860e19eadcdc67def9caa4f3154f4;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

USB: opticon: increase bulk-in size

Use 256 byte bulk-in buffers rather than double end-point sized ones.

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

diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c
index 2c9137c..543d8c7 100644
--- a/drivers/usb/serial/opticon.c
+++ b/drivers/usb/serial/opticon.c
@@ -492,7 +492,7 @@ static int opticon_port_probe(struct usb_serial_port *port)
 	if (!priv->bulk_read_urb)
 		goto error;
 
-	priv->buffer_size = 2 * port->bulk_in_size;
+	priv->buffer_size = port->bulk_in_size;
 	priv->bulk_in_buffer = kmalloc(priv->buffer_size, GFP_KERNEL);
 	if (!priv->bulk_in_buffer)
 		goto error;
@@ -559,6 +559,7 @@ static struct usb_serial_driver opticon_device = {
 	},
 	.id_table =		id_table,
 	.num_ports =		1,
+	.bulk_in_size =		256,
 	.attach =		opticon_startup,
 	.port_probe =		opticon_port_probe,
 	.port_remove =		opticon_port_remove,