From nobody Sat Feb 7 15:02:37 2026 Received: from pdx-out-010.esa.us-west-2.outbound.mail-perimeter.amazon.com (pdx-out-010.esa.us-west-2.outbound.mail-perimeter.amazon.com [52.12.53.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B22F437D11D; Fri, 30 Jan 2026 17:37:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=52.12.53.23 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769794669; cv=none; b=F3VGZ6RlKegbUqHSyC4efTZVpfHWwkiSKxjcawZwGa3ngZcj56h/1AWOla9LlctGFAH12buCX3kqH0X0Mpg4GNZR90s180IhCmf2QzNpSmeXY3NnZR8ma1+7HmCQc1Jqxj6nPETmuaYlOQG4ANPjSL9JpDWdT3DE928CijrYlcU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769794669; c=relaxed/simple; bh=APd8pzB5cGdSC+pgQ/q+8mHi7+R97VBwnJXA2a1YMJ4=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=h3qp/JqxKM3NIP0uSosinw45jo8tavf5r615fSPnezB/u4A6v1o5aycS5IKlEkcqOp8nAwntzGReeb1ahuJfjRHLWJ1toBAiV8379QG/E7uCAnZ7nuFD+eSvbfyV0WpRQ88sM+DWZTUHbx8bbCS/PtNJO9G/kbF+r0bsP93zS70= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com; spf=pass smtp.mailfrom=amazon.co.uk; dkim=pass (2048-bit key) header.d=amazon.com header.i=@amazon.com header.b=iDZV2BOm; arc=none smtp.client-ip=52.12.53.23 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amazon.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=amazon.co.uk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=amazon.com header.i=@amazon.com header.b="iDZV2BOm" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazoncorp2; t=1769794667; x=1801330667; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=j7/ky8lgzP8J1iGcrsTGKcQFpgFnFWEGcw/I+sapgZc=; b=iDZV2BOmj5+Gtq4ES7BdG8HzVfEur0zxnrSGmAadj8DYwTogV0I5U8mR pn4zKidWnTD2k9L4brhgCkoTYXX2s9/CR0ET61z9wDEZwTkeVLEABRVgC aGCxcJlnx/yZVHj2iMbYm07b6gjc4iFpdOB30Sw+bPezD9uyJ319xOoAa l59rNIVfEpY/y0vpHo12QMVadjstPLLFLQsVVPbVObzj+a7tFJiblGDBc 3nj0a4bqcFEYWdZ1Wb5sdY3xEWvQD6AbPX2seJIO3d84QOJ1+pM4tg4mN Id1tBjad9bOF6btZCQ5jFn7GSwfZ8Mi03masMBSZPCZZ81EquVdmRA7TS A==; X-CSE-ConnectionGUID: Qu+AwT3DR+CxUosSuivkHw== X-CSE-MsgGUID: oORUnnsFQPqWXyuVEIP2MA== X-IronPort-AV: E=Sophos;i="6.21,263,1763424000"; d="scan'208";a="11815388" Received: from ip-10-5-0-115.us-west-2.compute.internal (HELO smtpout.naws.us-west-2.prod.farcaster.email.amazon.dev) ([10.5.0.115]) by internal-pdx-out-010.esa.us-west-2.outbound.mail-perimeter.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jan 2026 17:37:44 +0000 Received: from EX19MTAUWC002.ant.amazon.com [205.251.233.51:19909] by smtpin.naws.us-west-2.prod.farcaster.email.amazon.dev [10.0.0.174:2525] with esmtp (Farcaster) id a0a18a15-5f0a-4181-95d8-6977bcce1a0f; Fri, 30 Jan 2026 17:37:44 +0000 (UTC) X-Farcaster-Flow-ID: a0a18a15-5f0a-4181-95d8-6977bcce1a0f Received: from EX19D001UWA001.ant.amazon.com (10.13.138.214) by EX19MTAUWC002.ant.amazon.com (10.250.64.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.35; Fri, 30 Jan 2026 17:37:43 +0000 Received: from dev-dsk-itazur-1b-11e7fc0f.eu-west-1.amazon.com (172.19.66.53) by EX19D001UWA001.ant.amazon.com (10.13.138.214) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.35; Fri, 30 Jan 2026 17:37:40 +0000 From: Takahiro Itazuri To: , , , , , , , CC: , , , Babis Chalios , "Alexander Graf" , , Marco Cali , David Woodhouse , "Takahiro Itazuri" Subject: [PATCH v7 5/7] ptp: ptp_vmclock: add 'VMCLOCK' to ACPI device match Date: Fri, 30 Jan 2026 17:36:04 +0000 Message-ID: <20260130173704.12575-6-itazur@amazon.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260130173704.12575-1-itazur@amazon.com> References: <20260130173704.12575-1-itazur@amazon.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: EX19D031UWA004.ant.amazon.com (10.13.139.19) To EX19D001UWA001.ant.amazon.com (10.13.138.214) Content-Type: text/plain; charset="utf-8" From: David Woodhouse As we finalised the spec, we spotted that vmgenid actually says that the _HID is supposed to be hypervisor-specific. Although in the 13 years since the original vmgenid doc was published, nobody seems to have cared about using _HID to distinguish between implementations on different hypervisors, and we only ever use the _CID. For consistency, match the _CID of "VMCLOCK" too. Signed-off-by: David Woodhouse Signed-off-by: Babis Chalios Tested-by: Takahiro Itazuri --- drivers/ptp/ptp_vmclock.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/ptp/ptp_vmclock.c b/drivers/ptp/ptp_vmclock.c index 619c8e5a9..2a173bd28 100644 --- a/drivers/ptp/ptp_vmclock.c +++ b/drivers/ptp/ptp_vmclock.c @@ -763,6 +763,7 @@ static int vmclock_probe(struct platform_device *pdev) =20 static const struct acpi_device_id vmclock_acpi_ids[] =3D { { "AMZNC10C", 0 }, + { "VMCLOCK", 0 }, {} }; MODULE_DEVICE_TABLE(acpi, vmclock_acpi_ids); --=20 2.50.1