No need to enable bus mastering, it's already done for us.

from Brad

diff --git a/sys/dev/pci/if_aq_pci.c b/sys/dev/pci/if_aq_pci.c
index 930bdd4..efca084 100644 (file)
--- a/sys/dev/pci/if_aq_pci.c
+++ b/sys/dev/pci/if_aq_pci.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: if_aq_pci.c,v 1.3 2021/09/20 01:27:23 jmatthew Exp $ */
+/* $OpenBSD: if_aq_pci.c,v 1.4 2021/10/09 08:38:13 jmatthew Exp $ */
 /*     $NetBSD: if_aq.c,v 1.27 2021/06/16 00:21:18 riastradh Exp $     */
 
 /*
@@ -941,7 +941,7 @@ aq_attach(struct device *parent, struct device *self, void *aux)
        struct aq_softc *sc = (struct aq_softc *)self;
        struct pci_attach_args *pa = aux;
        const struct aq_product *aqp;
-       pcireg_t command, bar, memtype;
+       pcireg_t bar, memtype;
        pci_chipset_tag_t pc;
        pci_intr_handle_t ih;
        int (*isr)(void *);
@@ -957,10 +957,6 @@ aq_attach(struct device *parent, struct device *self, void *aux)
        sc->sc_pc = pc = pa->pa_pc;
        sc->sc_pcitag = tag = pa->pa_tag;
 
-       command = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
-       command |= PCI_COMMAND_MASTER_ENABLE;
-       pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, command);
-
        sc->sc_product = PCI_PRODUCT(pa->pa_id);
        sc->sc_revision = PCI_REVISION(pa->pa_class);