diff options
| author | David Gwynne <dlg@cvs.openbsd.org> | 2011-06-22 10:34:16 +0000 |
|---|---|---|
| committer | David Gwynne <dlg@cvs.openbsd.org> | 2011-06-22 10:34:16 +0000 |
| commit | 9d5bb522cac4d1588623738d21ca9608b0680a76 (patch) | |
| tree | 7bb408740cddd269e7fbb1c34b01a14af13ba985 /sys/dev/pci/if_myx.c | |
| parent | 78dc4e2c794a8e20e035ba3fda31b9bc36d750d9 (diff) | |
msi support. this is a complicated one...
ok kettenis@
Diffstat (limited to 'sys/dev/pci/if_myx.c')
| -rw-r--r-- | sys/dev/pci/if_myx.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/sys/dev/pci/if_myx.c b/sys/dev/pci/if_myx.c index d5dda5b62ac..05a4de86c42 100644 --- a/sys/dev/pci/if_myx.c +++ b/sys/dev/pci/if_myx.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_myx.c,v 1.24 2011/06/22 08:38:45 jsg Exp $ */ +/* $OpenBSD: if_myx.c,v 1.25 2011/06/22 10:34:15 dlg Exp $ */ /* * Copyright (c) 2007 Reyk Floeter <reyk@openbsd.org> @@ -111,6 +111,7 @@ struct myx_softc { struct myx_dmamem sc_sts_dma; volatile struct myx_status *sc_sts; + int sc_intx; void *sc_irqh; u_int32_t sc_irqcoaloff; u_int32_t sc_irqclaimoff; @@ -247,9 +248,12 @@ myx_attach(struct device *parent, struct device *self, void *aux) goto unmap; /* Map the interrupt */ - if (pci_intr_map(pa, &sc->sc_ih) != 0) { - printf(": unable to map interrupt\n"); - goto unmap; + if (pci_intr_map_msi(pa, &sc->sc_ih) != 0) { + if (pci_intr_map(pa, &sc->sc_ih) != 0) { + printf(": unable to map interrupt\n"); + goto unmap; + } + sc->sc_intx = 1; } printf(": %s, model %s, address %s\n", @@ -1528,8 +1532,10 @@ myx_intr(void *arg) } sts->ms_isvalid = 0; - data = htobe32(0); - myx_write(sc, sc->sc_irqdeassertoff, &data, sizeof(data)); + if (sc->sc_intx) { + data = htobe32(0); + myx_write(sc, sc->sc_irqdeassertoff, &data, sizeof(data)); + } if (!ISSET(ifp->if_flags, IFF_UP) && sc->sc_linkdown != sts->ms_linkdown) { |