Date: Wed, 26 Dec 2007 11:17:18 GMT From: Hans Petter Selasky <hselasky@FreeBSD.org> To: Perforce Change Reviews <perforce@FreeBSD.org> Subject: PERFORCE change 131685 for review Message-ID: <200712261117.lBQBHIJv087633@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=131685 Change 131685 by hselasky@hselasky_laptop001 on 2007/12/26 11:17:04 Add proper shutdown method to the AT91 UDP. Affected files ... .. //depot/projects/usb/src/sys/arm/at91/at91_udp.c#3 edit .. //depot/projects/usb/src/sys/dev/usb/at9100_dci.c#6 edit Differences ... ==== //depot/projects/usb/src/sys/arm/at91/at91_udp.c#3 (text+ko) ==== @@ -60,6 +60,7 @@ static device_probe_t at91_udp_probe; static device_attach_t at91_udp_attach; static device_detach_t at91_udp_detach; +static device_shutdown_t at91_udp_shutdown; struct at91_udp_softc { struct at9100_dci_softc sc_dci; /* must be first */ @@ -236,7 +237,6 @@ sc->sc_vbus_intr_hdl = NULL; goto error; } - err = at9100_dci_init(&(sc->sc_dci)); if (!err) { err = device_probe_and_attach(sc->sc_dci.sc_bus.bdev); @@ -321,12 +321,27 @@ return (0); } +static int +at91_udp_shutdown(device_t dev) +{ + struct at91_udp_softc *sc = device_get_softc(dev); + int err; + + err = bus_generic_shutdown(dev); + if (err) + return (err); + + at9100_dci_uninit(&(sc->sc_dci)); + + return (0); +} + static device_method_t at91_udp_methods[] = { /* Device interface */ DEVMETHOD(device_probe, at91_udp_probe), DEVMETHOD(device_attach, at91_udp_attach), DEVMETHOD(device_detach, at91_udp_detach), - DEVMETHOD(device_shutdown, bus_generic_shutdown), + DEVMETHOD(device_shutdown, at91_udp_shutdown), /* Bus interface */ DEVMETHOD(bus_print_child, bus_generic_print_child), ==== //depot/projects/usb/src/sys/dev/usb/at9100_dci.c#6 (text+ko) ==== @@ -1418,9 +1418,6 @@ /* wait a little for things to stabilise */ DELAY(1000); - /* enable Transceiver */ - AT91_UDP_WRITE_4(sc, AT91_UDP_TXVC, 0); - /* disable and clear all interrupts */ AT91_UDP_WRITE_4(sc, AT91_UDP_IDR, 0xFFFFFFFF); AT91_UDP_WRITE_4(sc, AT91_UDP_ICR, 0xFFFFFFFF); @@ -1460,6 +1457,23 @@ void at9100_dci_uninit(struct at9100_dci_softc *sc) { + mtx_lock(&(sc->sc_bus.mtx)); + + /* disable and clear all interrupts */ + AT91_UDP_WRITE_4(sc, AT91_UDP_IDR, 0xFFFFFFFF); + AT91_UDP_WRITE_4(sc, AT91_UDP_ICR, 0xFFFFFFFF); + + sc->sc_flags.port_powered = 0; + sc->sc_flags.status_vbus = 0; + sc->sc_flags.status_bus_reset = 0; + sc->sc_flags.status_suspend = 0; + sc->sc_flags.change_suspend = 0; + sc->sc_flags.change_connect = 1; + + at9100_dci_pull_down(sc); + at9100_dci_clocks_off(sc); + mtx_unlock(&(sc->sc_bus.mtx)); + return; }
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