diff options
| -rw-r--r-- | sys/pccard/pcic.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/sys/pccard/pcic.c b/sys/pccard/pcic.c index 943bbc0..651c1d5 100644 --- a/sys/pccard/pcic.c +++ b/sys/pccard/pcic.c @@ -526,7 +526,7 @@ int pcic_probe(void) { int slotnum, validslots = 0; - u_int free_irqs; + u_int free_irqs, desired_irq; struct slot *slt; struct pcic_slot *sp; unsigned char c; @@ -716,7 +716,19 @@ pcic_probe(void) * then attempt to get one. */ if (pcic_irq == 0) { + pcic_imask = soft_imask; + + /* See if the user has requested a specific IRQ */ + if (getenv_int("machdep.pccard.pcic_irq", &desired_irq)) + /* legal IRQ? */ + if ((desired_irq >= 1) && (desired_irq <= ICU_LEN) && + ((1ul << desired_irq) & soft_imask)) + pcic_imask = 1ul << desired_irq; + else + /* illeagal, disable use of IRQ */ + pcic_imask = 0; + pcic_irq = pccard_alloc_intr(free_irqs, pcicintr, 0, &pcic_imask, NULL); if (pcic_irq < 0) |
