[src/trunk]: src/sys As a workaround for the Raspberry PI, only allow 1 TX tr...

[skrll <skrll%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a301824dc24c
branches:  trunk
changeset: 785490:a301824dc24c
user:      skrll <skrll%NetBSD.org@localhost>
date:      Sat Mar 16 15:48:21 2013 +0000

description:
As a workaround for the Raspberry PI, only allow 1 TX transfer to be
active at once.

XXX This might affect all host controllers

diffstat:

 sys/arch/evbarm/conf/std.rpi |  3 ++-
 sys/dev/usb/if_urtwnvar.h    |  7 ++++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diffs (39 lines):

diff -r d95a8ac50ff8 -r a301824dc24c sys/arch/evbarm/conf/std.rpi
--- a/sys/arch/evbarm/conf/std.rpi      Sat Mar 16 12:05:02 2013 +0000
+++ b/sys/arch/evbarm/conf/std.rpi      Sat Mar 16 15:48:21 2013 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: std.rpi,v 1.6 2013/02/19 10:58:35 skrll Exp $
+#      $NetBSD: std.rpi,v 1.7 2013/03/16 15:48:21 skrll Exp $
 #
 # standard NetBSD/evbarm for Raspberry Pi options
 
@@ -13,6 +13,7 @@
 options        __HAVE_CPU_UAREA_ALLOC_IDLELWP
 options        TPIDRPRW_IS_CURCPU
 options        KERNEL_BASE_EXT=0xc0000000
+options        URTWN_DOTG_WORKAROUND
 
 options        EVBARM_BOARDTYPE="rpi"
 makeoptions    BOARDMKFRAG="${THISARM}/conf/mk.rpi"
diff -r d95a8ac50ff8 -r a301824dc24c sys/dev/usb/if_urtwnvar.h
--- a/sys/dev/usb/if_urtwnvar.h Sat Mar 16 12:05:02 2013 +0000
+++ b/sys/dev/usb/if_urtwnvar.h Sat Mar 16 15:48:21 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_urtwnvar.h,v 1.5 2013/03/12 14:19:34 christos Exp $ */
+/*     $NetBSD: if_urtwnvar.h,v 1.6 2013/03/16 15:48:21 skrll Exp $    */
 /*     $OpenBSD: if_urtwnreg.h,v 1.3 2010/11/16 18:02:59 damien Exp $  */
 
 /*-
@@ -23,7 +23,12 @@
  * Driver definitions.
  */
 #define URTWN_RX_LIST_COUNT            1
+#ifndef URTWN_DOTG_WORKAROUND
 #define URTWN_TX_LIST_COUNT            8
+#else
+#define URTWN_TX_LIST_COUNT            1
+#endif
+
 #define URTWN_HOST_CMD_RING_COUNT      32
 
 #define URTWN_RXBUFSZ  (16 * 1024)