[src/trunk]: src/sys/dev/usb Improve DPRINTFs - partially from Takahiro HAYASHI

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

details:   https://anonhg.NetBSD.org/src/rev/4ce2ab384e1a
branches:  trunk
changeset: 807093:4ce2ab384e1a
user:      skrll <skrll%NetBSD.org@localhost>
date:      Sat Mar 28 07:58:00 2015 +0000

description:
Improve DPRINTFs - partially from Takahiro HAYASHI

diffstat:

 sys/dev/usb/uhub.c |  44 +++++++++++++++++++++++++++-----------------
 1 files changed, 27 insertions(+), 17 deletions(-)

diffs (127 lines):

diff -r 0f222eea1042 -r 4ce2ab384e1a sys/dev/usb/uhub.c
--- a/sys/dev/usb/uhub.c        Sat Mar 28 07:51:20 2015 +0000
+++ b/sys/dev/usb/uhub.c        Sat Mar 28 07:58:00 2015 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: uhub.c,v 1.128 2015/03/26 16:19:26 skrll Exp $ */
+/*     $NetBSD: uhub.c,v 1.129 2015/03/28 07:58:00 skrll Exp $ */
 /*     $FreeBSD: src/sys/dev/usb/uhub.c,v 1.18 1999/11/17 22:33:43 n_hibma Exp $       */
 
 /*
@@ -36,7 +36,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uhub.c,v 1.128 2015/03/26 16:19:26 skrll Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uhub.c,v 1.129 2015/03/28 07:58:00 skrll Exp $");
 
 #include <sys/param.h>
 
@@ -416,8 +416,8 @@
 
        UHUBHIST_FUNC(); UHUBHIST_CALLED();
 
-       DPRINTFN(10, "uhub %d dev=%p addr=%d", device_unit(sc->sc_dev), dev,
-           dev->address, 0);
+       DPRINTFN(10, "uhub %d dev=%p addr=%d speed=%u",
+           device_unit(sc->sc_dev), dev, dev->address, dev->speed);
 
        if (!sc->sc_running)
                return (USBD_NOT_STARTED);
@@ -431,12 +431,15 @@
 
                err = usbd_get_hub_status(dev, &hs);
                if (err) {
-                       DPRINTF("get hub status failed, uhub %d err %d",
+                       DPRINTF("uhub %d get hub status failed, err %d",
                            device_unit(sc->sc_dev), err, 0, 0);
                } else {
                        /* just acknowledge */
                        status = UGETW(hs.wHubStatus);
                        change = UGETW(hs.wHubChange);
+                       DPRINTF("uhub %d s/c=%x/%x", device_unit(sc->sc_dev),
+                           status, change, 0);
+
                        if (change & UHS_LOCAL_POWER)
                                usbd_clear_hub_feature(dev,
                                                       UHF_C_HUB_LOCAL_POWER);
@@ -459,16 +462,15 @@
                if (PORTSTAT_ISSET(sc, port) || reconnect) {
                        err = usbd_get_port_status(dev, port, &up->status);
                        if (err) {
-                               DPRINTF("get port stat failed, uhub %d err %d",
+                               DPRINTF("uhub %d get port stat failed, err %d",
                                    device_unit(sc->sc_dev), err, 0, 0);
                                continue;
                        }
                        status = UGETW(up->status.wPortStatus);
                        change = UGETW(up->status.wPortChange);
-#if 0
-                       printf("%s port %d: s/c=%x/%x\n",
-                              device_xname(sc->sc_dev), port, status, change);
-#endif
+
+                       DPRINTF("uhub %d port %d: s/c=%x/%x",
+                           device_unit(sc->sc_dev), port, status, change);
                }
                if (!change && !reconnect) {
                        /* No status change, just do recursive explore. */
@@ -478,7 +480,8 @@
                }
 
                if (change & UPS_C_PORT_ENABLED) {
-                       DPRINTF("C_PORT_ENABLED", 0, 0, 0, 0);
+                       DPRINTF("uhub %d port %d C_PORT_ENABLED",
+                           device_unit(sc->sc_dev), port, 0, 0);
                        usbd_clear_port_feature(dev, port, UHF_C_PORT_ENABLE);
                        if (change & UPS_C_CONNECT_STATUS) {
                                /* Ignore the port error if the device
@@ -526,20 +529,23 @@
        disco:
                if (up->device != NULL) {
                        /* Disconnected */
-                       DPRINTF("device addr=%d disappeared on port %d",
-                           up->device->address, port, 0, 0);
+                       DPRINTF("uhub %d device addr=%d disappeared on port %d",
+                           device_unit(sc->sc_dev), up->device->address, port,
+                           0);
                        usb_disconnect_port(up, sc->sc_dev, DETACH_FORCE);
                        usbd_clear_port_feature(dev, port,
                                                UHF_C_PORT_CONNECTION);
                }
                if (!(status & UPS_CURRENT_CONNECT_STATUS)) {
                        /* Nothing connected, just ignore it. */
-                       DPRINTFN(3, "port=%d !CURRENT_CONNECT_STATUS", port, 0,
-                           0, 0);
+                       DPRINTFN(3, "uhub %d port=%d !CURRENT_CONNECT_STATUS",
+                           device_unit(sc->sc_dev), port, 0, 0);
                        continue;
                }
 
                /* Connected */
+               DPRINTF("unit %d dev->speed=%u dev->depth=%u",
+                   device_unit(sc->sc_dev), dev->speed, dev->depth, 0);
 
                if (!(status & UPS_PORT_POWER))
                        aprint_normal_dev(sc->sc_dev,
@@ -557,8 +563,8 @@
                /* Get port status again, it might have changed during reset */
                err = usbd_get_port_status(dev, port, &up->status);
                if (err) {
-                       DPRINTF("get port status failed, error %d", err, 0, 0,
-                          0);
+                       DPRINTF("uhub %d port=%d get port status failed, "
+                           "err %d", device_unit(sc->sc_dev), port, err, 0);
                        continue;
                }
                status = UGETW(up->status.wPortStatus);
@@ -592,6 +598,10 @@
                        speed = USB_SPEED_LOW;
                else
                        speed = USB_SPEED_FULL;
+
+               DPRINTF("uhub %d speed %u", device_unit(sc->sc_dev), speed, 0,
+                   0);
+
                /* Get device info and set its address. */
                err = usbd_new_device(sc->sc_dev, dev->bus,
                          dev->depth + 1, speed, port, up);