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Don't let children attach fast interrupts if the parent interrupt is normal.

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Submitted by:	bde
This commit is contained in:
Poul-Henning Kamp 2002-09-04 18:50:40 +00:00
parent 3ecba1c115
commit 1f02c343e8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=102931
1 changed files with 2 additions and 2 deletions
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4
sys/dev/puc/puc.c
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@ -163,7 +163,7 @@ puc_attach(device_t dev, const struct puc_device_description *desc)
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;
sc->fastintr = INTR_FAST;
else
irq_setup = BUS_SETUP_INTR(device_get_parent(dev), dev, res,
INTR_TYPE_TTY, puc_intr, sc, &sc->intr_cookie);
@ -461,7 +461,7 @@ puc_setup_intr(device_t dev, device_t child, struct resource *r, int flags,
struct puc_softc *sc;
sc = (struct puc_softc *)device_get_softc(dev);
if ((flags & INTR_FAST) && !sc->fastintr)
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) {