IRQ mask

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* IRQ mask
@ 2004-01-20 12:36 hagit guy
  2004-01-20 14:18 ` Jon Masters
  0 siblings, 1 reply; 2+ messages in thread
From: hagit guy @ 2004-01-20 12:36 UTC (permalink / raw)
  To: linuxppc-embedded

Hi
I need to mask IRQ4 and interrupt on PC0. Does Linux do it at startup? does
the kernel is up with all interrupts masked?

** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/

^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: IRQ mask
  2004-01-20 12:36 IRQ mask hagit guy
@ 2004-01-20 14:18 ` Jon Masters
  0 siblings, 0 replies; 2+ messages in thread
From: Jon Masters @ 2004-01-20 14:18 UTC (permalink / raw)
  To: hagit guy; +Cc: linuxppc-embedded

hagit guy wrote:

> I need to mask IRQ4 and interrupt on PC0. Does Linux do it at startup?

Unless you register a device on that IRQ it will be thrown away as a bad
interrupt when your device starts generating random interrupts.

See register_irq and similar.

Cheers,

Jon.

** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2004-01-20 12:36 IRQ mask hagit guy
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