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Code Issues Releases Activity

Do not set level-triggered interrupt mode if we are not going to use it.

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This fixes QEMU crash due to unsupported level-triggered HPET interrupts.

Reported by:	kib@
This commit is contained in:
Alexander Motin 2010-06-22 16:10:48 +00:00
parent 7812ede3ff
commit e723056a58
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=209431
1 changed files with 1 additions and 0 deletions
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sys/dev/acpica/acpi_hpet.c
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@ -526,6 +526,7 @@ hpet_attach(device_t dev)
t->irq = -2;
} else
#endif
if (sc->irq >= 0 && (t->vectors & (1 << sc->irq)))
t->caps |= (sc->irq << 9) | HPET_TCNF_INT_TYPE;
bus_write_4(sc->mem_res, HPET_TIMER_CAP_CNF(i), t->caps);
/* Skip event timers without set up IRQ. */