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Re: [PATCH] vr41xx: fix problem with vr41xx_cpu_wait

To: Ricardo Mendoza <>
Subject: Re: [PATCH] vr41xx: fix problem with vr41xx_cpu_wait
From: Yoichi Yuasa <>
Date: Wed, 6 Aug 2008 10:49:01 +0900
In-reply-to: <>
Organization: TriPeaks Corporation
Original-recipient: rfc822;
References: <>
Hi Ricardo,

On Tue, 5 Aug 2008 10:43:14 +0000
Ricardo Mendoza <> wrote:

> Hello,
> Yoichi, please correct me if I am wrong but I think that the "standby"
> instruction does not set IE bit on its own, so calling it with
> interrupts disabled will loop the cpu away forever on standby state
> being unable to come back due to no interrupts getting through.

In VR4100 series User's Manual, it's being written
"IE bit of the Status register in the CP0 is also set to 1".

Do you have any problem on your board?


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