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From: Peter Maydell <peter.maydell@linaro.org>
Date: Fri, 29 Jan 2016 15:29:35 +0000
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Subject: Re: [Qemu-devel] [PATCH 1/1] arm: virt: change GPIO trigger
	interrupt to pulse
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To: Wei Huang <wei@redhat.com>
Cc: "qemu-trivial@nongnu.org" <qemu-trivial@nongnu.org>, "zhaoshenglong@huawei.com" <zhaoshenglong@huawei.com>, Shannon Zhao <shannon.zhao@linaro.org>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>

On 29 January 2016 at 15:13, Wei Huang <wei@redhat.com> wrote:
>
>
> On 01/29/2016 08:50 AM, Peter Maydell wrote:
>> I wonder if we should be asserting the GPIO pin in the powerdown-request
>> hook and then deasserting it on system reset somewhere...
>
> This is another possibility. We can try to reset the pl061 state by
> hooking up with dc->reset and see what happens.

Ah, yes, PL061 hasn't been updated to implement reset. That is almost
certainly your problem.

thanks
-- PMM