Add suspend/resume support. Unlike many other NIC drivers,
bfe_init_locked() wasn't sufficient to bring the chip back to life, it also required a call to bfe_chip_reset() during resume. Tested by: Stepan Zastupov +redchrom at gmail+ MFC after: 1 week
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=164456
@ -87,6 +87,8 @@ static struct bfe_type bfe_devs[] = {
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static int bfe_probe (device_t);
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static int bfe_attach (device_t);
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static int bfe_detach (device_t);
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static int bfe_suspend (device_t);
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static int bfe_resume (device_t);
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static void bfe_release_resources (struct bfe_softc *);
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static void bfe_intr (void *);
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static void bfe_start (struct ifnet *);
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@ -136,6 +138,8 @@ static device_method_t bfe_methods[] = {
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DEVMETHOD(device_attach, bfe_attach),
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DEVMETHOD(device_detach, bfe_detach),
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DEVMETHOD(device_shutdown, bfe_shutdown),
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DEVMETHOD(device_suspend, bfe_suspend),
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DEVMETHOD(device_resume, bfe_resume),
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/* bus interface */
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DEVMETHOD(bus_print_child, bus_generic_print_child),
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@ -479,6 +483,40 @@ bfe_shutdown(device_t dev)
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return;
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}
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static int
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bfe_suspend(device_t dev)
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{
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struct bfe_softc *sc;
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sc = device_get_softc(dev);
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BFE_LOCK(sc);
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bfe_stop(sc);
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BFE_UNLOCK(sc);
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return (0);
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}
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static int
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bfe_resume(device_t dev)
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{
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struct bfe_softc *sc;
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struct ifnet *ifp;
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sc = device_get_softc(dev);
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ifp = sc->bfe_ifp;
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BFE_LOCK(sc);
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bfe_chip_reset(sc);
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if (ifp->if_flags & IFF_UP) {
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bfe_init_locked(sc);
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if (ifp->if_drv_flags & IFF_DRV_RUNNING &&
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!IFQ_DRV_IS_EMPTY(&ifp->if_snd))
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bfe_start_locked(ifp);
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}
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BFE_UNLOCK(sc);
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return (0);
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}
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static int
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bfe_miibus_readreg(device_t dev, int phy, int reg)
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{
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