[src/nick-nhusb]: src/sys/dev/usb Improve debug a little.

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

details:   https://anonhg.NetBSD.org/src/rev/10760812da93
branches:  nick-nhusb
changeset: 334332:10760812da93
user:      skrll <skrll%NetBSD.org@localhost>
date:      Sat Dec 19 09:18:58 2015 +0000

description:
Improve debug a little.

diffstat:

 sys/dev/usb/usb_subr.c |  11 +++++++----
 1 files changed, 7 insertions(+), 4 deletions(-)

diffs (40 lines):

diff -r cc2b18851cb7 -r 10760812da93 sys/dev/usb/usb_subr.c
--- a/sys/dev/usb/usb_subr.c    Sat Dec 12 15:03:56 2015 +0000
+++ b/sys/dev/usb/usb_subr.c    Sat Dec 19 09:18:58 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: usb_subr.c,v 1.198.2.18 2015/09/29 11:38:29 skrll Exp $        */
+/*     $NetBSD: usb_subr.c,v 1.198.2.19 2015/12/19 09:18:58 skrll Exp $        */
 /*     $FreeBSD: src/sys/dev/usb/usb_subr.c,v 1.18 1999/11/17 22:33:47 n_hibma Exp $   */
 
 /*
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: usb_subr.c,v 1.198.2.18 2015/09/29 11:38:29 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: usb_subr.c,v 1.198.2.19 2015/12/19 09:18:58 skrll Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_compat_netbsd.h"
@@ -747,9 +747,11 @@
        USBHIST_FUNC(); USBHIST_CALLED(usbdebug);
 
        p = kmem_alloc(dev->ud_bus->ub_pipesize, KM_SLEEP);
-       DPRINTFN(1, "dev=%p iface=%p ep=%p pipe=%p", dev, iface, ep, p);
-       if (p == NULL)
+       DPRINTFN(1, "dev=%p addr=%d iface=%p ep=%p pipe=%p", dev, dev->ud_addr, iface, ep);
+       if (p == NULL) {
+               DPRINTFN(1, "(nomem)", 0, 0, 0, 0);
                return USBD_NOMEM;
+       }
        p->up_dev = dev;
        p->up_iface = iface;
        p->up_endpoint = ep;
@@ -771,6 +773,7 @@
        }
        usb_init_task(&p->up_async_task, usbd_clear_endpoint_stall_task, p,
            USB_TASKQ_MPSAFE);
+       DPRINTFN(1, "pipe=%p", p, 0, 0, 0);
        *pipe = p;
        return USBD_NORMAL_COMPLETION;
 }