From nobody Sun Feb 8 08:22:23 2026 Received: from pdx-out-007.esa.us-west-2.outbound.mail-perimeter.amazon.com (pdx-out-007.esa.us-west-2.outbound.mail-perimeter.amazon.com [52.34.181.151]) (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 B387B4BCAB0; Wed, 21 Jan 2026 14:34:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=52.34.181.151 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769006091; cv=none; b=onRmjxkNadBXk5sFENedmRqjNIdXDL+X/Z5ZIQ1kwFHwfRsBIH0QIWz4SlrWqNCx+sHsU1NeoH4RsVhCdN/ngAuIHBljXS5+6kS2SVCemfRBBPXszNgsVlJVaDNtUw1uuShVWVx/chzKHUsZqQJoTWs12CLpISgETdkGh8fNEeY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769006091; c=relaxed/simple; bh=BNVNoS/X+EeH0JkRQ6ZfkVSqrk6Vq3EjvhE/WAVPm3Q=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=HSgVbDAXWMpSdhHr4Ahf5E7uoNQZZ20qZq8LM3WniDiFKNcpbyzUxjAavSWeIB+HOhmti79J56xnplsWoQfs8NTbp8p2QrTMjJlFpw010xRtLxHvH6hBkHlfbJ9dFx1jAVOpYqjLj7WX5o+g9SgjCJSROhzcfIjF0AWMODSEtfo= 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=nFjT/Kd6; arc=none smtp.client-ip=52.34.181.151 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="nFjT/Kd6" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazoncorp2; t=1769006089; x=1800542089; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=5FqRCHwtM2CGLbcYhd42nWIqDE7JkoWPCz6/NSC/xrQ=; b=nFjT/Kd6daq3Gnj6pJakKOf8abc3l2+mru0yR5+u2PuCivLeJOpTNcd+ ppSlpj4I8yIg4EzJuHJawZxf8kn8mIbIbf9uESkfJ+J9VFn/2WFp6p3ps VdoGgh8MzM/4Mr/SeHPmvWOT1DqM92vnvor24y1uyzOjp9na7iJCAKOTk hpL7UPxAZX85VN5L+B8w9TEkBfh+aPItkGeCYlFeTOoom4y4D2wNMO16T hzEaVL8njq1qqdJ0qH3mmuOS8wu7w7oOZPkQ/JKRTnXYc9M1879aeCYui t1GG8q61RsrxD+8JeME6SKbvlndSRXs0YCCDW0mtI6Tzh4wBdyr+cIXaG A==; X-CSE-ConnectionGUID: h5qSvot8QHawOXrIP3ZXsQ== X-CSE-MsgGUID: nrodrx8aSgqHwFXB7K87jA== X-IronPort-AV: E=Sophos;i="6.21,242,1763424000"; d="scan'208";a="11313589" Received: from ip-10-5-9-48.us-west-2.compute.internal (HELO smtpout.naws.us-west-2.prod.farcaster.email.amazon.dev) ([10.5.9.48]) by internal-pdx-out-007.esa.us-west-2.outbound.mail-perimeter.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jan 2026 14:34:46 +0000 Received: from EX19MTAUWA002.ant.amazon.com [205.251.233.234:18929] by smtpin.naws.us-west-2.prod.farcaster.email.amazon.dev [10.0.41.221:2525] with esmtp (Farcaster) id 4bc89515-80eb-4bcf-8d15-5dc3e811d086; Wed, 21 Jan 2026 14:34:45 +0000 (UTC) X-Farcaster-Flow-ID: 4bc89515-80eb-4bcf-8d15-5dc3e811d086 Received: from EX19D001UWA001.ant.amazon.com (10.13.138.214) by EX19MTAUWA002.ant.amazon.com (10.250.64.202) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.2562.35; Wed, 21 Jan 2026 14:34:45 +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; Wed, 21 Jan 2026 14:34:42 +0000 From: Takahiro Itazuri To: , , , , , , , , , CC: , , , Babis Chalios , "Alexander Graf" , , Marco Cali , David Woodhouse , "Takahiro Itazuri" Subject: [PATCH v6 5/7] ptp: ptp_vmclock: add 'VMCLOCK' to ACPI device match Date: Wed, 21 Jan 2026 14:33:42 +0000 Message-ID: <20260121143402.3092-6-itazur@amazon.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260121143402.3092-1-itazur@amazon.com> References: <20260121143402.3092-1-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: EX19D035UWA004.ant.amazon.com (10.13.139.109) 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 --- 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 8605e441fad7..b5e264264051 100644 --- a/drivers/ptp/ptp_vmclock.c +++ b/drivers/ptp/ptp_vmclock.c @@ -749,6 +749,7 @@ 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 2.47.3