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From: Peter Maydell <peter.maydell@linaro.org>
To: Shannon Zhao <shannon.zhao@linaro.org>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	"edk2-devel@lists.01.org" <edk2-devel@ml01.01.org>,
	QEMU Developers <qemu-devel@nongnu.org>,
	qemu-arm <qemu-arm@nongnu.org>,
	Shannon Zhao <zhaoshenglong@huawei.com>,
	Laszlo Ersek <lersek@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v3] ARM: Virt: Don't generate RTC ACPI device when using UEFI
Date: Fri, 15 Jan 2016 14:53:11 +0000	[thread overview]
Message-ID: <CAFEAcA8GsEC6ARHThLX5pZY2oGQiDKVaYOGVD7OkABAYaHdxeA@mail.gmail.com> (raw)
In-Reply-To: <1452867091-4023-1-git-send-email-shannon.zhao@linaro.org>

On 15 January 2016 at 14:11, Shannon Zhao <shannon.zhao@linaro.org> wrote:
> When booting the VM with UEFI, UEFI takes ownership of the RTC hardware.
> While UEFI can use libfdt to disable the RTC device node in the DTB that
> it passes to the OS, it cannot modify AML. Therefore, we won't generate
> the RTC ACPI device at all when using UEFI.
>
> Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
> Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
> Reviewed-by: Laszlo Ersek <lersek@redhat.com>
> ---
> V3: add comments to explain why it doesn't generate RTC ACPI device



Applied to target-arm.next, thanks.

-- PMM

      parent reply	other threads:[~2016-01-15 14:53 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-15 14:11 [Qemu-devel] [PATCH v3] ARM: Virt: Don't generate RTC ACPI device when using UEFI Shannon Zhao
2016-01-15 14:18 ` Andrew Jones
2016-01-15 14:53 ` Peter Maydell [this message]

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