From patchwork Fri Mar 7 22:02:59 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roman Kisel X-Patchwork-Id: 14007247 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0FEC3C28B28 for ; Fri, 7 Mar 2025 22:16:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=iGuHmE2gbtDvOko+hzXt49EHmrzYrq8xqM8VYRFGXqM=; b=2Q7qCYl4+8CjZXUqSpBGfORyzI Y4j6yH4HYHB72p/GJwFxWQy2CQOikRNRLMlJN3K0oUKfT38YIyoeUq0mMQDdvrtVhVKRI4TcVAIAi MncEkahtmSZcpvaLBTZhAzX5L4HiZKuiB31EAlTWBZSrbpd8Yj0VKVSUQ1tgt7QEFCnvRcll6BbdQ 58E+S8hHMuemVc8UQLl4Kl/pH+DTvJHsFXgLifZjwydlm81gidQqynuCODKpsfwwtjEhJJbJd9wDu X4cuEIrMwH7Ukb9+7S8qyJw/Jo9nHYT15Bu2SHdfuFMFAHDSWnbUA0Q1VnNTY5/3xjtfHdnmlDuqf y3CmTRng==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tqfzR-0000000FgfT-2bd8; Fri, 07 Mar 2025 22:16:21 +0000 Received: from linux.microsoft.com ([13.77.154.182]) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tqfme-0000000Fdyl-3Kto for linux-arm-kernel@lists.infradead.org; Fri, 07 Mar 2025 22:03:10 +0000 Received: from romank-3650.corp.microsoft.com (unknown [131.107.160.188]) by linux.microsoft.com (Postfix) with ESMTPSA id 2CDDA2038F47; Fri, 7 Mar 2025 14:03:08 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 2CDDA2038F47 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1741384988; bh=iGuHmE2gbtDvOko+hzXt49EHmrzYrq8xqM8VYRFGXqM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dP08kpaQ0+FluYjvhFx+l39uxftz+ykdKaCySFFfbst7F4t8LYKRKXhmhyDLM9c4U vV69jsYfc36IetKlG21KRoK0S4xRD3I8jHvNPPosiJqdz4TfyBbfcfZ+4dreINnf5C SS1ztKs4C+kM3RlAitAn+HrbVOiWFbr3tPjumNf4= From: Roman Kisel To: arnd@arndb.de, bhelgaas@google.com, bp@alien8.de, catalin.marinas@arm.com, conor+dt@kernel.org, dave.hansen@linux.intel.com, decui@microsoft.com, haiyangz@microsoft.com, hpa@zytor.com, joey.gouly@arm.com, krzk+dt@kernel.org, kw@linux.com, kys@microsoft.com, lenb@kernel.org, lpieralisi@kernel.org, manivannan.sadhasivam@linaro.org, mark.rutland@arm.com, maz@kernel.org, mingo@redhat.com, oliver.upton@linux.dev, rafael@kernel.org, robh@kernel.org, ssengar@linux.microsoft.com, sudeep.holla@arm.com, suzuki.poulose@arm.com, tglx@linutronix.de, wei.liu@kernel.org, will@kernel.org, yuzenghui@huawei.com, devicetree@vger.kernel.org, kvmarm@lists.linux.dev, linux-acpi@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, x86@kernel.org Cc: apais@microsoft.com, benhill@microsoft.com, bperkins@microsoft.com, sunilmut@microsoft.com Subject: [PATCH hyperv-next v5 07/11] dt-bindings: microsoft,vmbus: Add interrupts and DMA coherence Date: Fri, 7 Mar 2025 14:02:59 -0800 Message-ID: <20250307220304.247725-8-romank@linux.microsoft.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250307220304.247725-1-romank@linux.microsoft.com> References: <20250307220304.247725-1-romank@linux.microsoft.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250307_140308_853845_F0818E13 X-CRM114-Status: UNSURE ( 8.92 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org To boot on ARM64, VMBus requires configuring interrupts. Missing DMA coherence property is sub-optimal as the VMBus transations are cache-coherent. Add interrupts to be able to boot on ARM64. Add DMA coherence to avoid doing extra work on maintaining caches on ARM64. Signed-off-by: Roman Kisel --- .../devicetree/bindings/bus/microsoft,vmbus.yaml | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/bus/microsoft,vmbus.yaml b/Documentation/devicetree/bindings/bus/microsoft,vmbus.yaml index a8d40c766dcd..3ab7d0116626 100644 --- a/Documentation/devicetree/bindings/bus/microsoft,vmbus.yaml +++ b/Documentation/devicetree/bindings/bus/microsoft,vmbus.yaml @@ -28,13 +28,16 @@ properties: required: - compatible - ranges + - interrupts - '#address-cells' - '#size-cells' -additionalProperties: false +additionalProperties: true examples: - | + #include + #include soc { #address-cells = <2>; #size-cells = <1>; @@ -49,6 +52,9 @@ examples: #address-cells = <2>; #size-cells = <1>; ranges = <0x0f 0xf0000000 0x0f 0xf0000000 0x10000000>; + dma-coherent; + interrupt-parent = <&gic>; + interrupts = ; }; }; };