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From: Andrew Thompson <thompsa@FreeBSD.org>
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Subject: svn commit: r206310 - stable/8/sys/dev/usb/serial
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Author: thompsa
Date: Tue Apr  6 23:24:29 2010
New Revision: 206310
URL: http://svn.freebsd.org/changeset/base/206310

Log:
  MFC r205029
  
   Use wMaxPacketSize for the uftdi input buffer size.
  
  Submitted by:	Hans Petter Selasky

Modified:
  stable/8/sys/dev/usb/serial/uftdi.c
Directory Properties:
  stable/8/sys/   (props changed)
  stable/8/sys/amd64/include/xen/   (props changed)
  stable/8/sys/cddl/contrib/opensolaris/   (props changed)
  stable/8/sys/contrib/dev/acpica/   (props changed)
  stable/8/sys/contrib/pf/   (props changed)
  stable/8/sys/dev/xen/xenpci/   (props changed)

Modified: stable/8/sys/dev/usb/serial/uftdi.c
==============================================================================
--- stable/8/sys/dev/usb/serial/uftdi.c	Tue Apr  6 23:24:07 2010	(r206309)
+++ stable/8/sys/dev/usb/serial/uftdi.c	Tue Apr  6 23:24:29 2010	(r206310)
@@ -91,8 +91,6 @@ SYSCTL_INT(_hw_usb_uftdi, OID_AUTO, debu
 #define	UFTDI_CONFIG_INDEX	0
 #define	UFTDI_IFACE_INDEX	0
 
-#define	UFTDI_IBUFSIZE 64		/* bytes, maximum number of bytes per
-					 * frame */
 #define	UFTDI_OBUFSIZE 64		/* bytes, cannot be increased due to
 					 * do size encoding */
 
@@ -173,7 +171,7 @@ static const struct usb_config uftdi_con
 		.type = UE_BULK,
 		.endpoint = UE_ADDR_ANY,
 		.direction = UE_DIR_IN,
-		.bufsize = UFTDI_IBUFSIZE,
+		.bufsize = 0,		/* use wMaxPacketSize */
 		.flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
 		.callback = &uftdi_read_callback,
 	},