Date: Tue, 23 Apr 2013 06:26:54 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r249786 - head/sys/dev/usb/controller Message-ID: <201304230626.r3N6QsWp084263@svn.freebsd.org>
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Author: hselasky Date: Tue Apr 23 06:26:54 2013 New Revision: 249786 URL: http://svnweb.freebsd.org/changeset/base/249786 Log: Add descriptive comment. Modified: head/sys/dev/usb/controller/xhci.c Modified: head/sys/dev/usb/controller/xhci.c ============================================================================== --- head/sys/dev/usb/controller/xhci.c Tue Apr 23 01:09:22 2013 (r249785) +++ head/sys/dev/usb/controller/xhci.c Tue Apr 23 06:26:54 2013 (r249786) @@ -554,6 +554,12 @@ xhci_init(struct xhci_softc *sc, device_ void xhci_uninit(struct xhci_softc *sc) { + /* + * NOTE: At this point the control transfer process is gone + * and "xhci_configure_msg" is no longer called. Consequently + * waiting for the configuration messages to complete is not + * needed. + */ usb_bus_mem_free_all(&sc->sc_bus, &xhci_iterate_hw_softc); cv_destroy(&sc->sc_cmd_cv);
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