Re: [Qemu-devel] [PATCH v2 0/8] Add system_powerdown support on ARM for ACPI and DT

[Peter Maydell <peter.maydell@linaro.org>]

On 11 November 2015 at 01:29, Shannon Zhao <shannon.zhao@linaro.org> wrote:
> On 2015/11/11 4:56, Wei Huang wrote:
>> I found this was caused by the change of "_HID" name for GPIO device. It
>> was changed from "LNRO0009" (v1) to "ARMH0061" (v2), which doesn't match
>> with my stock guest kernel PL061 driver. After changing the guest
>> kernel, it is working again. So:

> Thanks very much for your help. The reason why I change the _HID is
> based on the _HID 0f PL011 which is ARMH0011. About the _HID of ARM
> company's devices, I have to say that I didn't see which _HID they
> should be at any public place. I heard(maybe it's not correct) there is
> a _HID list of ARM devices. If so, I think ARM should publish them in
> public, otherwise the only thing we can do is to guess or refer to
> existing _HID.

Please confirm for definite the right _HID values; don't guess
them. If you say you don't know the right HID values and mark
a patchset as RFC we can go and try to find out the right
answers. If you just put guesses into a patchset we could
easily end up committing the patch with the wrong info...

thanks
-- PMM