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authorMark Kettenis <kettenis@cvs.openbsd.org>2007-11-30 16:21:39 +0000
committerMark Kettenis <kettenis@cvs.openbsd.org>2007-11-30 16:21:39 +0000
commit39fde46772e4d19b6bd8884cfb4472426d6b1ec0 (patch)
tree6ad57f1f3d3b3cfc8dd277614f8c86d612825f5b /sys/dev/pci/ppb.c
parent2548b78451266f4839217a577fd16eb161bb308c (diff)
Disestablish interrupts upon detach,
Diffstat (limited to 'sys/dev/pci/ppb.c')
-rw-r--r--sys/dev/pci/ppb.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/sys/dev/pci/ppb.c b/sys/dev/pci/ppb.c
index 209e431aa19..ea17ab8299f 100644
--- a/sys/dev/pci/ppb.c
+++ b/sys/dev/pci/ppb.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ppb.c,v 1.23 2007/11/30 15:54:12 kettenis Exp $ */
+/* $OpenBSD: ppb.c,v 1.24 2007/11/30 16:21:38 kettenis Exp $ */
/* $NetBSD: ppb.c,v 1.16 1997/06/06 23:48:05 thorpej Exp $ */
/*
@@ -48,6 +48,7 @@ struct ppb_softc {
pci_chipset_tag_t sc_pc; /* our PCI chipset... */
pcitag_t sc_tag; /* ...and tag. */
pci_intr_handle_t sc_ih[4];
+ void *sc_intrhand;
struct device *sc_psc;
int sc_cap_off;
struct timeout sc_to;
@@ -99,7 +100,7 @@ ppbmatch(struct device *parent, void *match, void *aux)
void
ppbattach(struct device *parent, struct device *self, void *aux)
{
- struct ppb_softc *sc = (void *) self;
+ struct ppb_softc *sc = (struct ppb_softc *)self;
struct pci_attach_args *pa = aux;
pci_chipset_tag_t pc = pa->pa_pc;
struct pcibus_attach_args pba;
@@ -132,9 +133,11 @@ ppbattach(struct device *parent, struct device *self, void *aux)
/* Check for PCI Express capabilities and setup hotplug support. */
if (pci_get_capability(pc, pa->pa_tag, PCI_CAP_PCIEXPRESS,
&sc->sc_cap_off, &reg) && (reg & PCI_PCIE_XCAP_SI)) {
- if (pci_intr_map(pa, &ih) == 0 &&
- pci_intr_establish(pc, ih, IPL_TTY, ppb_intr, sc,
- self->dv_xname)) {
+ if (pci_intr_map(pa, &ih) == 0)
+ sc->sc_intrhand = pci_intr_establish(pc, ih, IPL_TTY,
+ ppb_intr, sc, self->dv_xname);
+
+ if (sc->sc_intrhand) {
printf(": %s", pci_intr_string(pc, ih));
/* Enable hotplug interrupt. */
@@ -183,6 +186,11 @@ ppbattach(struct device *parent, struct device *self, void *aux)
int
ppbdetach(struct device *self, int flags)
{
+ struct ppb_softc *sc = (struct ppb_softc *)self;
+
+ if (sc->sc_intrhand)
+ pci_intr_disestablish(sc->sc_pc, sc->sc_intrhand);
+
return config_detach_children(self, flags);
}