On 11 November 2015 at 01:29, Shannon Zhao <shannon.z...@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