[src/trunk]: src/sys/dev/usb Stop urtwn devices from usb suspend, allow remot...

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

details:   https://anonhg.NetBSD.org/src/rev/b3f92e01d7a0
branches:  trunk
changeset: 818391:b3f92e01d7a0
user:      nat <nat%NetBSD.org@localhost>
date:      Wed Oct 12 02:50:44 2016 +0000

description:
Stop urtwn devices from usb suspend, allow remote wifi activity wakeup.

Addresses PR/51111.

OK christos@

diffstat:

 sys/dev/usb/if_urtwn.c |  13 +++++++++++--
 1 files changed, 11 insertions(+), 2 deletions(-)

diffs (41 lines):

diff -r a52a5d959696 -r b3f92e01d7a0 sys/dev/usb/if_urtwn.c
--- a/sys/dev/usb/if_urtwn.c    Tue Oct 11 18:31:11 2016 +0000
+++ b/sys/dev/usb/if_urtwn.c    Wed Oct 12 02:50:44 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_urtwn.c,v 1.46 2016/10/04 21:36:38 christos Exp $   */
+/*     $NetBSD: if_urtwn.c,v 1.47 2016/10/12 02:50:44 nat Exp $        */
 /*     $OpenBSD: if_urtwn.c,v 1.42 2015/02/10 23:25:46 mpi Exp $       */
 
 /*-
@@ -23,7 +23,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_urtwn.c,v 1.46 2016/10/04 21:36:38 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_urtwn.c,v 1.47 2016/10/12 02:50:44 nat Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -318,6 +318,7 @@
        struct usb_attach_arg *uaa = aux;
        char *devinfop;
        const struct urtwn_dev *dev;
+       usb_device_request_t req;
        size_t i;
        int error;
 
@@ -338,6 +339,14 @@
        aprint_normal_dev(self, "%s\n", devinfop);
        usbd_devinfo_free(devinfop);
 
+       req.bmRequestType = UT_WRITE_DEVICE;
+       req.bRequest = UR_SET_FEATURE;
+       USETW(req.wValue, UF_DEVICE_REMOTE_WAKEUP);
+       USETW(req.wIndex, UHF_PORT_SUSPEND);
+       USETW(req.wLength, 0);
+
+       (void) usbd_do_request(sc->sc_udev, &req, 0);
+
        mutex_init(&sc->sc_task_mtx, MUTEX_DEFAULT, IPL_NET);
        mutex_init(&sc->sc_tx_mtx, MUTEX_DEFAULT, IPL_NONE);
        mutex_init(&sc->sc_fwcmd_mtx, MUTEX_DEFAULT, IPL_NONE);