svn commit: r205029 - head/sys/dev/usb/serial

[Andrew Thompson]

Author: thompsa
Date: Thu Mar 11 21:42:09 2010
New Revision: 205029
URL: http://svn.freebsd.org/changeset/base/205029

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

Modified:
  head/sys/dev/usb/serial/uftdi.c

Modified: head/sys/dev/usb/serial/uftdi.c
==============================================================================
--- head/sys/dev/usb/serial/uftdi.c	Thu Mar 11 21:16:54 2010	(r205028)
+++ head/sys/dev/usb/serial/uftdi.c	Thu Mar 11 21:42:09 2010	(r205029)
@@ -84,8 +84,6 @@ 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 */
 
@@ -166,7 +164,7 @@ 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,
 	},