Messages in this thread | | | Date | Thu, 29 Oct 2015 22:47:22 +0800 | From | Shannon Zhao <> | Subject | Re: [PATCH 0/3] Add AMBA bus probing support to ACPI |
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On 2015/9/30 18:38, Graeme Gregory wrote: > As discussed when Shannon Zhao sent a patch to add platform_device support > to pl061 driver. Russel and other maintainers prefered that ACPI learned > how to create AMBA devices rather than converting/adding platform_device > support to AMBA drivers. > > http://comments.gmane.org/gmane.linux.ports.arm.kernel/431364 > > 1) Adds basic AMBA device probing support to ACPI, it uses a whitelist of > device IDs as the number of AMBA devices is limited. Currently the two ids > present are those used in QEMU for arm64. > > 2) Adds the plumbing into ACPI probe sequence. > > 3) From ACPI pl011 is only defined (SBSA document) to be in SBSA mode which has > reduced functionality. There may be a better method to do this that I have > overlooked. > Thanks. I test this patchset with PL061 on QEMU for arm64 through below patchset[1]. It works well.
Tested-by: Shannon Zhao <shannon.zhao@linaro.org>
[1] https://git.linaro.org/people/shannon.zhao/qemu.git/shortlog/refs/heads/PowerButton_v2
-- Shannon
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