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Re: [Qemu-trivial] [Qemu-devel] [PATCH 1/1] arm: virt: change GPIO trigg

From: Peter Maydell
Subject: Re: [Qemu-trivial] [Qemu-devel] [PATCH 1/1] arm: virt: change GPIO trigger interrupt to pulse
Date: Fri, 26 Feb 2016 15:06:06 +0000

On 26 February 2016 at 14:54, Shannon Zhao <address@hidden> wrote:
> On 2016/2/26 20:53, Peter Maydell wrote:
>> I don't understand why a 500ms pulse is better than a short one.
> Oh, I just pick a value which seems like a real latency for pressing a
> button. What's your suggestion?

I would prefer to avoid the pain of having a timer whose state
needs to be migrated. It's unclear to me why a 500ms pulse
will solve anything that an instantaneous pulse does not,
so I'd like to better understand the problem first.

-- PMM

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