[src/trunk]: src/sys/dev/usb if the bus driver supplies a fifo size and dynfi...

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

details:   https://anonhg.NetBSD.org/src/rev/875de6a9481a
branches:  trunk
changeset: 802425:875de6a9481a
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Sat Sep 13 19:02:00 2014 +0000

description:
if the bus driver supplies a fifo size and dynfifo is true, use it

diffstat:

 sys/dev/usb/motg.c |  18 +++++++++++-------
 1 files changed, 11 insertions(+), 7 deletions(-)

diffs (40 lines):

diff -r 28c2842fe27a -r 875de6a9481a sys/dev/usb/motg.c
--- a/sys/dev/usb/motg.c        Sat Sep 13 18:37:16 2014 +0000
+++ b/sys/dev/usb/motg.c        Sat Sep 13 19:02:00 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: motg.c,v 1.11 2014/09/13 18:36:39 jmcneill Exp $       */
+/*     $NetBSD: motg.c,v 1.12 2014/09/13 19:02:00 jmcneill Exp $       */
 
 /*
  * Copyright (c) 1998, 2004, 2011, 2012, 2014 The NetBSD Foundation, Inc.
@@ -42,7 +42,7 @@
 #include "opt_motg.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: motg.c,v 1.11 2014/09/13 18:36:39 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: motg.c,v 1.12 2014/09/13 19:02:00 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -365,12 +365,16 @@
                    i, fifotx_size, fiforx_size, dynfifo));
 
                if (dynfifo) {
-                       if (i < 3) {
-                               fifo_size = 12;       /* 4K */
-                       } else if (i < 10) {
-                               fifo_size = 10;       /* 1K */
+                       if (sc->sc_ep_fifosize) {
+                               fifo_size = ffs(sc->sc_ep_fifosize) - 1;
                        } else {
-                               fifo_size = 7;        /* 128 bytes */
+                               if (i < 3) {
+                                       fifo_size = 12;       /* 4K */
+                               } else if (i < 10) {
+                                       fifo_size = 10;       /* 1K */
+                               } else {
+                                       fifo_size = 7;        /* 128 bytes */
+                               }
                        }
                        if (fiforx_size && (i <= nrx)) {
                                fiforx_size = fifo_size;