Re: PIR OFFSET for AR7

[Thomas Bogendoerfer <tsbogend@alpha.franken.de>]

On Thu, Dec 03, 2009 at 07:52:30PM -0600, myuboot@fastmail.fm wrote:
> Hi, What is the use of PIR register for AR7 board in file
> arch/mips/ar7/irq.c?

it gives back the channel and line of the pending interrupt with the
highest priority.

> If I understand it right, PIR is used to define the
> polarity of the interrupts. It seems to me that it needs to initialized?

no, it's a read only register. Why do you think it has something to do
with interrupt polarity ?

Thomas.

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