linux-kernel - [PATCH 3/9] USB: cp210x: increase bulk-in buffer size to 256 byte

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Message-Id: <1268863245-17230-4-git-send-email-jhovold@gmail.com>
Date:	Wed, 17 Mar 2010 23:00:39 +0100
From:	Johan Hovold <jhovold@...il.com>
To:	Greg Kroah-Hartman <gregkh@...e.de>
Cc:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Johan Hovold <jhovold@...il.com>
Subject: [PATCH 3/9] USB: cp210x: increase bulk-in buffer size to 256 byte

The cp210x requires a bulk-in buffer larger than endpoint size to keep
up at high baudrates without loosing data.

Signed-off-by: Johan Hovold <jhovold@...il.com>
---
 drivers/usb/serial/cp210x.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index e344000..705a7e7 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -138,6 +138,7 @@ static struct usb_serial_driver cp210x_device = {
 	.usb_driver		= &cp210x_driver,
 	.id_table		= id_table,
 	.num_ports		= 1,
+	.bulk_in_size		= 256,
 	.bulk_out_size		= 256,
 	.open			= cp210x_open,
 	.close			= cp210x_close,
-- 
1.7.0.2

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