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Fix the interrupt handler to actually acknowledge the interupt to the

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dispatch code (!!!).  How did this work even on the i386 before?
This commit is contained in:
thorpej 1999-02-05 21:20:31 +00:00
parent 571b899770
commit b52d1e44d0
1 changed files with 11 additions and 6 deletions
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17
sys/dev/pci/if_vr.c
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@ -1,4 +1,4 @@
/* $NetBSD: if_vr.c,v 1.15 1999/02/05 08:42:03 thorpej Exp $ */
/* $NetBSD: if_vr.c,v 1.16 1999/02/05 21:20:31 thorpej Exp $ */
/*
* Copyright (c) 1997, 1998
@ -198,7 +198,7 @@ static void vr_rxeof __P((struct vr_softc *));
static void vr_rxeoc __P((struct vr_softc *));
static void vr_txeof __P((struct vr_softc *));
static void vr_txeoc __P((struct vr_softc *));
static void vr_intr __P((void *));
static int vr_intr __P((void *));
static void vr_start __P((struct ifnet *));
static int vr_ioctl __P((struct ifnet *, u_long, caddr_t));
static void vr_init __P((void *));
@ -872,21 +872,22 @@ vr_txeoc(sc)
}
}
static void
static int
vr_intr(arg)
void *arg;
{
struct vr_softc *sc;
struct ifnet *ifp;
u_int16_t status;
int handled = 0;
sc = arg;
ifp = &sc->vr_ec.ec_if;
/* Supress unwanted interrupts. */
if (!(ifp->if_flags & IFF_UP)) {
if ((ifp->if_flags & IFF_UP) == 0) {
vr_stop(sc);
return;
return (0);
}
/* Disable interrupts. */
@ -900,6 +901,8 @@ vr_intr(arg)
if ((status & VR_INTRS) == 0)
break;
handled = 1;
if (status & VR_ISR_RX_OK)
vr_rxeof(sc);
@ -936,6 +939,8 @@ vr_intr(arg)
if (ifp->if_snd.ifq_head != NULL) {
vr_start(ifp);
}
return (handled);
}
/*
@ -1521,7 +1526,7 @@ vr_attach(parent, self, aux)
}
intrstr = pci_intr_string(pa->pa_pc, intrhandle);
sc->vr_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_NET,
(void *)vr_intr, sc);
vr_intr, sc);
if (sc->vr_ih == NULL) {
printf("%s: couldn't establish interrupt",
sc->vr_dev.dv_xname);