From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
To: myuboot@fastmail.fm
Cc: linux-kernel@vger.kernel.org, linux-mips <linux-mips@linux-mips.org>
Subject: Re: PIR OFFSET for AR7
Date: Fri, 4 Dec 2009 17:03:33 +0100 [thread overview]
Message-ID: <20091204160333.GA8842@alpha.franken.de> (raw)
In-Reply-To: <1259891550.19943.1348372917@webmail.messagingengine.com>
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.
--
Crap can work. Given enough thrust pigs will fly, but it's not necessary a
good idea. [ RFC1925, 2.3 ]
next prev parent reply other threads:[~2009-12-04 17:49 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-16 23:23 2.6.31 kernel for mips compile failure - war.h:12:17: error: war.h: No such file or directory myuboot
2009-10-16 23:41 ` myuboot
2009-10-16 23:50 ` David Daney
2009-10-19 23:49 ` myuboot
2009-10-19 23:56 ` serial port 8250 messed up after coverting from little endian to big endian on kernel 2.6.31 myuboot
2009-10-20 6:17 ` Florian Fainelli
2009-10-20 15:52 ` myuboot
2009-10-27 20:40 ` myuboot
2009-10-28 8:35 ` Shmulik Ladkani
2009-10-28 11:04 ` Sergei Shtylyov
2009-10-28 19:36 ` myuboot
2009-10-29 8:26 ` Shmulik Ladkani
2009-11-02 23:54 ` myuboot
2009-12-04 1:52 ` PIR OFFSET for AR7 myuboot
2009-12-04 16:03 ` Thomas Bogendoerfer [this message]
2009-12-04 17:30 ` myuboot
2009-11-11 0:22 ` Kernel panic - not syncing: Attempted to kill init! myuboot
2009-11-11 7:45 ` Gaye Abdoulaye Walsimou
2009-11-11 15:48 ` myuboot
2009-11-17 0:21 ` problem bring up initramfs and busybox myuboot
2009-11-17 9:33 ` Ralf Baechle
2009-11-17 17:39 ` myuboot
2009-11-17 17:48 ` Florian Fainelli
2009-11-17 21:09 ` myuboot
2010-01-19 19:51 ` loadable kernel module link failure - endianness incompatible with that of the selected emulation myuboot
2010-01-19 23:47 ` David Daney
2010-01-20 16:10 ` myuboot
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