Date: Wed, 5 Oct 2022 10:13:41 GMT From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 55a3bd000d97 - main - usb(4): Make sure the enumeration thread doesn't loop too fast. Message-ID: <202210051013.295ADf7P080520@gitrepo.freebsd.org>
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The branch main has been updated by hselasky: URL: https://cgit.FreeBSD.org/src/commit/?id=55a3bd000d9799f431c207e359466484ac63c137 commit 55a3bd000d9799f431c207e359466484ac63c137 Author: Hans Petter Selasky <hselasky@FreeBSD.org> AuthorDate: 2022-06-09 13:15:49 +0000 Commit: Hans Petter Selasky <hselasky@FreeBSD.org> CommitDate: 2022-10-05 10:12:33 +0000 usb(4): Make sure the enumeration thread doesn't loop too fast. MFC after: 1 week Sponsored by: NVIDIA Networking --- sys/dev/usb/controller/usb_controller.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sys/dev/usb/controller/usb_controller.c b/sys/dev/usb/controller/usb_controller.c index 0897af0492cb..959f54a4583f 100644 --- a/sys/dev/usb/controller/usb_controller.c +++ b/sys/dev/usb/controller/usb_controller.c @@ -414,6 +414,9 @@ usb_bus_explore(struct usb_proc_msg *pm) #if USB_HAVE_ROOT_MOUNT_HOLD usb_root_mount_rel(bus); #endif + + /* Nice the enumeration a bit, to avoid looping too fast. */ + usb_pause_mtx(&bus->bus_mtx, USB_MS_TO_TICKS(16)); } /*------------------------------------------------------------------------*
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