Re: [PATCH urgent] MIPS: Fixup of the r4k timer

To:	Wu Zhangjin <wuzhangjin@gmail.com>
Subject:	Re: [PATCH urgent] MIPS: Fixup of the r4k timer
From:	Shane McDonald <mcdonald.shane@gmail.com>
Date:	Mon, 1 Feb 2010 21:03:10 -0600
Cc:	ralf@linux-mips.org, David VomLehn <dvomlehn@cisco.com>, mbizon@freebox.fr, linux-mips@linux-mips.org
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On Mon, Feb 1, 2010 at 3:10 AM, Wu Zhangjin <wuzhangjin@gmail.com> wrote:
>
> From: Wu Zhangjin <wuzhangjin@gmail.com>
>
> As reported by Maxime Bizon, the commit "MIPS: PowerTV: Fix support for
> timer interrupts with > 64 external IRQs" have broken the r4k timer
> since it didn't initialize the cp0_compare_irq_shift variable used in
> c0_compare_int_pending() on the architectures whose cpu_has_mips_r2 is
> false.
>
> This patch fixes it via initializing the cp0_compare_irq_shift as the
> cp0_compare_irq used in the old c0_compare_int_pending().
>
> Reported-by: Maxime Bizon <mbizon@freebox.fr>
> Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>

When applied to 2.6.33-rc6, this patch fixes the problem on my
RM7035C-based system.

Tested-by: Shane McDonald <mcdonald.shane@gmail.com>

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