From nobody Sat Feb 7 17:54:46 2026 Received: from pdx-out-006.esa.us-west-2.outbound.mail-perimeter.amazon.com (pdx-out-006.esa.us-west-2.outbound.mail-perimeter.amazon.com [52.26.1.71]) (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 CE59137D11D; Fri, 30 Jan 2026 17:37:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=52.26.1.71 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769794674; cv=none; b=NhOQSHb9Ie4DcPOoZ5IbdSNCz4xEH6tS8KnzWSm8/sJJQIqasK39d6+rk7oltZZ1UdOi+zp4iryAA9OldxQEJpOvw8yFss2Kfh0wmG3aPgy7myyQKMwFOK1vEZioEEXfUhPFNbnKlLMe2OxSMy0hrN1U0VDjAE1LtA56rDq4vqk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769794674; c=relaxed/simple; bh=eKrGQqZndJmbrN53FpEmbmtFGaPkTxWIUsyQnfI9a2Y=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=ue2sYrLxn9me9qHf2a1Miq54ylQ1hlYG7X1umlSAZvOrhResXLLpgupwEUfG7EjRfNO8Jk+HKAxk49+U48/iy35kf10ERubt0RbmA5sfpglNzGk2J/DEFlmM9ILjX4yWwJxkw6jiMXTY3VH6GNV5vcXuuO7wfDtImvUMJPjGcP8= 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=jjrA99IT; arc=none smtp.client-ip=52.26.1.71 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="jjrA99IT" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazoncorp2; t=1769794672; x=1801330672; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ldAsiYfE+Zft1YuwKt94MhHJ/sfiO6sqo+h4iUvVj1s=; b=jjrA99ITKGYj/5tf89tp+oXOKK8Mc1hcnFcHKMZhC9Ybpws7QgoFELmx Q+Pj3lpSVv6qKumFiUIPbAQl8IZEEUzTa62Gu/zVIy28GZ+gL1tzVt84i NMRK1/f8HEnyQwGniKKSa25gb3TU/6bGOYtQE2XVuHj8pXAsuTupjhJeG AATBehxseSXOqlk8BbMdZQO8ebh5ALzjJYGwVqjEambBgkh06a6+JkUA7 bx1FHJne2UBQlQc9U3MYDcNaA0WjdT6g1i/iVG13Y1fe4F6KjylnLJN/F O1ibLamJxmkUOPUyYK3CO2qRaU0X/68QULv08nng4eSm/KRlrX5bG3CCe w==; X-CSE-ConnectionGUID: 7vK6jhG3QAydF2XPuesCIA== X-CSE-MsgGUID: 98aam8x6R3Sk+Yxy6ds3sQ== X-IronPort-AV: E=Sophos;i="6.21,263,1763424000"; d="scan'208";a="11938904" Received: from ip-10-5-12-219.us-west-2.compute.internal (HELO smtpout.naws.us-west-2.prod.farcaster.email.amazon.dev) ([10.5.12.219]) by internal-pdx-out-006.esa.us-west-2.outbound.mail-perimeter.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jan 2026 17:37:52 +0000 Received: from EX19MTAUWA001.ant.amazon.com [205.251.233.236:9356] by smtpin.naws.us-west-2.prod.farcaster.email.amazon.dev [10.0.0.174:2525] with esmtp (Farcaster) id 8a299df5-e528-45d4-9fe7-56531cccbba8; Fri, 30 Jan 2026 17:37:52 +0000 (UTC) X-Farcaster-Flow-ID: 8a299df5-e528-45d4-9fe7-56531cccbba8 Received: from EX19D001UWA001.ant.amazon.com (10.13.138.214) by EX19MTAUWA001.ant.amazon.com (10.250.64.204) 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 17:37:50 +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 17:37:47 +0000 From: Takahiro Itazuri To: , , , , , , , CC: , , , Babis Chalios , "Alexander Graf" , , Marco Cali , David Woodhouse , "Takahiro Itazuri" Subject: [PATCH v7 6/7] ptp: ptp_vmclock: remove dependency on CONFIG_ACPI Date: Fri, 30 Jan 2026 17:36:05 +0000 Message-ID: <20260130173704.12575-7-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: EX19D041UWA001.ant.amazon.com (10.13.139.124) To EX19D001UWA001.ant.amazon.com (10.13.138.214) Content-Type: text/plain; charset="utf-8" From: David Woodhouse Now that we added device tree support we can remove dependency on CONFIG_ACPI. Signed-off-by: David Woodhouse Signed-off-by: Babis Chalios Tested-by: Takahiro Itazuri --- drivers/ptp/Kconfig | 2 +- drivers/ptp/ptp_vmclock.c | 14 ++++++++++---- 2 files changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/ptp/Kconfig b/drivers/ptp/Kconfig index 5f8ea34d1..b93640ca0 100644 --- a/drivers/ptp/Kconfig +++ b/drivers/ptp/Kconfig @@ -134,7 +134,7 @@ config PTP_1588_CLOCK_KVM config PTP_1588_CLOCK_VMCLOCK tristate "Virtual machine PTP clock" depends on X86_TSC || ARM_ARCH_TIMER - depends on PTP_1588_CLOCK && ACPI && ARCH_SUPPORTS_INT128 + depends on PTP_1588_CLOCK && ARCH_SUPPORTS_INT128 default PTP_1588_CLOCK_KVM help This driver adds support for using a virtual precision clock diff --git a/drivers/ptp/ptp_vmclock.c b/drivers/ptp/ptp_vmclock.c index 2a173bd28..b6e9d4c96 100644 --- a/drivers/ptp/ptp_vmclock.c +++ b/drivers/ptp/ptp_vmclock.c @@ -490,6 +490,7 @@ static const struct file_operations vmclock_miscdev_fop= s =3D { =20 /* module operations */ =20 +#if IS_ENABLED(CONFIG_ACPI) static acpi_status vmclock_acpi_resources(struct acpi_resource *ares, void= *data) { struct vmclock_state *st =3D data; @@ -573,6 +574,7 @@ static int vmclock_probe_acpi(struct device *dev, struc= t vmclock_state *st) =20 return 0; } +#endif /* CONFIG_ACPI */ =20 static irqreturn_t vmclock_of_irq_handler(int __always_unused irq, void *_= st) { @@ -616,11 +618,11 @@ static int vmclock_setup_notification(struct device *= dev, if (!(le64_to_cpu(st->clk->flags) & VMCLOCK_FLAG_NOTIFICATION_PRESENT)) return 0; =20 - if (has_acpi_companion(dev)) { +#if IS_ENABLED(CONFIG_ACPI) + if (has_acpi_companion(dev)) return vmclock_setup_acpi_notification(dev); - } else { - return vmclock_setup_of_notification(dev); - } +#endif + return vmclock_setup_of_notification(dev); } =20 static void vmclock_remove(void *data) @@ -633,10 +635,12 @@ static void vmclock_remove(void *data) return; } =20 +#if IS_ENABLED(CONFIG_ACPI) if (has_acpi_companion(dev)) acpi_remove_notify_handler(ACPI_COMPANION(dev)->handle, ACPI_DEVICE_NOTIFY, vmclock_acpi_notification_handler); +#endif =20 if (st->ptp_clock) ptp_clock_unregister(st->ptp_clock); @@ -664,9 +668,11 @@ static int vmclock_probe(struct platform_device *pdev) if (!st) return -ENOMEM; =20 +#if IS_ENABLED(CONFIG_ACPI) if (has_acpi_companion(dev)) ret =3D vmclock_probe_acpi(dev, st); else +#endif ret =3D vmclock_probe_dt(dev, st); =20 if (ret) { --=20 2.50.1