From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39893) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aK5kq-00077T-09 for qemu-devel@nongnu.org; Fri, 15 Jan 2016 09:53:32 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aK5kp-00008e-5y for qemu-devel@nongnu.org; Fri, 15 Jan 2016 09:53:31 -0500 Received: from mail-vk0-x230.google.com ([2607:f8b0:400c:c05::230]:36482) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aK5kp-00008V-1T for qemu-devel@nongnu.org; Fri, 15 Jan 2016 09:53:31 -0500 Received: by mail-vk0-x230.google.com with SMTP id n1so145047244vkb.3 for ; Fri, 15 Jan 2016 06:53:30 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <1452867091-4023-1-git-send-email-shannon.zhao@linaro.org> References: <1452867091-4023-1-git-send-email-shannon.zhao@linaro.org> From: Peter Maydell Date: Fri, 15 Jan 2016 14:53:11 +0000 Message-ID: Content-Type: text/plain; charset=UTF-8 Subject: Re: [Qemu-devel] [PATCH v3] ARM: Virt: Don't generate RTC ACPI device when using UEFI List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Shannon Zhao Cc: Ard Biesheuvel , "edk2-devel@lists.01.org" , QEMU Developers , qemu-arm , Shannon Zhao , Laszlo Ersek On 15 January 2016 at 14:11, Shannon Zhao 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 > Acked-by: Ard Biesheuvel > Reviewed-by: Laszlo Ersek > --- > V3: add comments to explain why it doesn't generate RTC ACPI device Applied to target-arm.next, thanks. -- PMM