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convert to pci_intr_alloc() to possibly allow MSI/MSI-X; has no effect 

on my system, where the device only supports INTx
This commit is contained in:
jdolecek 2018-12-09 19:16:10 +00:00
parent 7521fc28e7
commit d5bb209457
1 changed files with 18 additions and 9 deletions
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27
sys/dev/pci/ichsmb.c
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@ -1,4 +1,4 @@
/* $NetBSD: ichsmb.c,v 1.57 2018/04/09 15:36:00 msaitoh Exp $ */
/* $NetBSD: ichsmb.c,v 1.58 2018/12/09 19:16:10 jdolecek Exp $ */
/* $OpenBSD: ichiic.c,v 1.18 2007/05/03 09:36:26 dlg Exp $ */
/*
@ -22,7 +22,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ichsmb.c,v 1.57 2018/04/09 15:36:00 msaitoh Exp $");
__KERNEL_RCSID(0, "$NetBSD: ichsmb.c,v 1.58 2018/12/09 19:16:10 jdolecek Exp $");
#include <sys/param.h>
#include <sys/device.h>
@ -60,6 +60,7 @@ struct ichsmb_softc {
pci_chipset_tag_t sc_pc;
void * sc_ih;
int sc_poll;
pci_intr_handle_t *sc_pihp;
struct i2c_controller sc_i2c_tag;
kmutex_t sc_i2c_mutex;
@ -154,7 +155,6 @@ ichsmb_attach(device_t parent, device_t self, void *aux)
struct ichsmb_softc *sc = device_private(self);
struct pci_attach_args *pa = aux;
pcireg_t conf;
pci_intr_handle_t ih;
const char *intrstr = NULL;
char intrbuf[PCI_INTRSTR_LEN];
int flags;
@ -187,12 +187,14 @@ ichsmb_attach(device_t parent, device_t self, void *aux)
aprint_normal_dev(self, "interrupting at SMI\n");
} else {
/* Install interrupt handler */
if (pci_intr_map(pa, &ih) == 0) {
intrstr = pci_intr_string(pa->pa_pc, ih, intrbuf,
sizeof(intrbuf));
sc->sc_ih = pci_intr_establish_xname(pa->pa_pc, ih,
IPL_BIO, ichsmb_intr, sc, device_xname(sc->sc_dev));
if (pci_intr_alloc(pa, &sc->sc_pihp, NULL, 0) == 0) {
intrstr = pci_intr_string(pa->pa_pc, sc->sc_pihp[0],
intrbuf, sizeof(intrbuf));
sc->sc_ih = pci_intr_establish_xname(pa->pa_pc,
sc->sc_pihp[0], IPL_BIO, ichsmb_intr, sc,
device_xname(sc->sc_dev));
if (sc->sc_ih != NULL) {
pci_intr_release(pa->pa_pc, sc->sc_pihp, 1);
aprint_normal_dev(self, "interrupting at %s\n",
intrstr);
sc->sc_poll = 0;
@ -251,8 +253,15 @@ ichsmb_detach(device_t self, int flags)
mutex_destroy(&sc->sc_i2c_mutex);
if (sc->sc_ih)
if (sc->sc_ih) {
pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
sc->sc_ih = NULL;
}
if (sc->sc_pihp) {
pci_intr_release(sc->sc_pc, sc->sc_pihp, 1);
sc->sc_pihp = NULL;
}
bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_size);