From patchwork Tue Dec 19 17:45:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sunil V L X-Patchwork-Id: 13498675 Received: from mail-pl1-f169.google.com (mail-pl1-f169.google.com [209.85.214.169]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E4102381D4 for ; Tue, 19 Dec 2023 17:45:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ventanamicro.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ventanamicro.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ventanamicro.com header.i=@ventanamicro.com header.b="VYk5jQLL" Received: by mail-pl1-f169.google.com with SMTP id d9443c01a7336-1d3e6c86868so4409965ad.1 for ; Tue, 19 Dec 2023 09:45:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1703007952; x=1703612752; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=BmjC4RdyrxsTphcSUlyn0FA/9YESGtMGM8wLh/XfFs8=; b=VYk5jQLLM4AbCuQyveyo78khOaNC9MRdSg+6Dx5b9GxOcudFQ7e7UJJJaklvbLhJnY bY3e0algfYGfVnuOZzN6+rEPV3BJ2dMv4ITFO/bMo259fRd4gvzv2evbiomE3p+VL0mi qkS5wrT0bn44s7/FLO5cQ3NkS43mVdlsW5aO62DAyjN/tI/bnl0uBiSiGjC19PR4cHyS QPQYwzYHxESdkXgQb4APPQ1zW/RFmjylwuF4IAwghlOoYX9MSFCxnjhNAp0UMo6ICWe/ vqzJZBAh6R5RGgQA7HW5CG9B5IS8SM6UjtYz6NyMcIzTUpxdcgmPKkr06SiKeM/OKO9m wG+w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1703007952; x=1703612752; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=BmjC4RdyrxsTphcSUlyn0FA/9YESGtMGM8wLh/XfFs8=; b=Z8hKJJJTL274ri1oUFl1SoW5B6DSRhVxAo6hiy18VjxrpanWxIlXOmQU74xWUcraRb hiOTU8oNFOdPIzZfUUyUVPMycwl7Hv91RLVh9m5KyT8Hors/PjBNtptdjfjRKywMndkA Uq/juMzoFa9U2wcLjQYap1RE9zeqtIkRiPLA0nBojnLiVng+rRrzQOhoBYRaqPvGGhX8 EJnLnIRa6NGMWrZcobzfzBFEULVK3lP4uDWNumZ1ep6hQv8iw3W04kbe9FnNjJLuC3Sz mFyJFNh3RjZTlxc5qxCWDd9H1FLpsCAUGptG1YUA21tmzZ4bivsDUFusOrA6ELOZXYZz M9rg== X-Gm-Message-State: AOJu0Yz5tzq5JZrpLfVMToely8EXZZe+vDziW6jc/Cxkkd/u9ujkdEb9 CMe7PKMoBhaSpCWWxofKzmed7Q== X-Google-Smtp-Source: AGHT+IGWi2Va1Qi6uqFOhvnkUNZMLVftSlFBeT8Hj5dDFOU/lfjLFJQW6CDFmhglgioUotv/TL88Sg== X-Received: by 2002:a17:903:32c9:b0:1d3:c201:3bbb with SMTP id i9-20020a17090332c900b001d3c2013bbbmr3333704plr.18.1703007952281; Tue, 19 Dec 2023 09:45:52 -0800 (PST) Received: from sunil-pc.Dlink ([106.51.188.200]) by smtp.gmail.com with ESMTPSA id n16-20020a170903111000b001d3320f6143sm14453015plh.269.2023.12.19.09.45.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Dec 2023 09:45:51 -0800 (PST) From: Sunil V L To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org Cc: Catalin Marinas , Will Deacon , Paul Walmsley , Palmer Dabbelt , Albert Ou , "Rafael J . Wysocki" , Len Brown , Anup Patel , Thomas Gleixner , Bjorn Helgaas , Haibo Xu , Conor Dooley , Andrew Jones , =?utf-8?b?QmrDtnJuIFTDtnBlbA==?= , Marc Zyngier , Sunil V L Subject: [RFC PATCH v3 03/17] PCI: Make pci_create_root_bus() declare its reliance on MSI domains Date: Tue, 19 Dec 2023 23:15:12 +0530 Message-Id: <20231219174526.2235150-4-sunilvl@ventanamicro.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231219174526.2235150-1-sunilvl@ventanamicro.com> References: <20231219174526.2235150-1-sunilvl@ventanamicro.com> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Similar to [1], declare this dependency for PCI probe in ACPI based flow. This is required especially for RISC-V platforms where MSI controller can be absent. [1] - https://lore.kernel.org/all/20210330151145.997953-12-maz@kernel.org/ Signed-off-by: Sunil V L --- drivers/pci/probe.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 795534589b98..9e941cf55d87 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -3054,6 +3054,7 @@ struct pci_bus *pci_create_root_bus(struct device *parent, int bus, bridge->sysdata = sysdata; bridge->busnr = bus; bridge->ops = ops; + bridge->msi_domain = true; error = pci_register_host_bridge(bridge); if (error < 0)