From: yangkai <yk@rock-chips.com>
Date: Mon, 23 Jul 2012 10:07:50 +0000 (+0800)
Subject: usb transfer speed up
X-Git-Tag: firefly_0821_release~8985
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=df6862b91e9313765e14e04b2ec77955bdd3b31c;p=firefly-linux-kernel-4.4.55.git

usb transfer speed up
---

diff --git a/drivers/usb/gadget/storage_common.c b/drivers/usb/gadget/storage_common.c
index 68d6fddeb6eb..e881ba4450c7 100755
--- a/drivers/usb/gadget/storage_common.c
+++ b/drivers/usb/gadget/storage_common.c
@@ -270,7 +270,7 @@ static struct fsg_lun *fsg_lun_from_dev(struct device *dev)
 #define FSG_NUM_BUFFERS	2
 
 /* Default size of buffer length. */
-#define FSG_BUFLEN	((u32)65536)
+#define FSG_BUFLEN	((u32)16384)
 
 /* Maximal number of LUNs supported in mass storage function */
 #define FSG_MAX_LUNS	8