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Bring back the PUC_FASTINTR option, and implement it correctly so that

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child devices also know if they are fast or normal.

Requested by:	bde
This commit is contained in:
Poul-Henning Kamp 2002-09-04 15:29:04 +00:00
parent e7fa55af89
commit d3c10e33e6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=102929
2 changed files with 13 additions and 2 deletions
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14
sys/dev/puc/puc.c
View File

@ -159,8 +159,18 @@ puc_attach(device_t dev, const struct puc_device_description *desc)
sc->irqres = res;
sc->irqrid = rid;
#ifdef PUC_FASTINTR
irq_setup = BUS_SETUP_INTR(device_get_parent(dev), dev, res,
INTR_TYPE_TTY | INTR_FAST, puc_intr, sc, &sc->intr_cookie);
if (irq_setup == 0)
sc->fastintr = 1;
else
irq_setup = BUS_SETUP_INTR(device_get_parent(dev), dev, res,
INTR_TYPE_TTY, puc_intr, sc, &sc->intr_cookie);
#else
irq_setup = BUS_SETUP_INTR(device_get_parent(dev), dev, res,
INTR_TYPE_TTY, puc_intr, sc, &sc->intr_cookie);
#endif
if (irq_setup != 0)
return (ENXIO);
@ -450,9 +460,9 @@ puc_setup_intr(device_t dev, device_t child, struct resource *r, int flags,
int i;
struct puc_softc *sc;
if (flags & INTR_FAST)
return (ENXIO);
sc = (struct puc_softc *)device_get_softc(dev);
if ((flags & INTR_FAST) && !sc->fastintr)
return (ENXIO);
for (i = 0; PUC_PORT_VALID(sc->sc_desc, i); i++) {
if (sc->sc_ports[i].dev == child) {
if (sc->sc_ports[i].ihand != 0)

1
sys/dev/puc/pucvar.h
View File

@ -118,6 +118,7 @@ struct puc_softc {
const struct puc_device_description *sc_desc;
/* card-global dynamic data */
int fastintr;
int barmuxed;
int irqrid;
struct resource *irqres;