From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f175.google.com (mail-pf1-f175.google.com [209.85.210.175]) (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 382B61361 for ; Mon, 8 May 2023 14:29:10 +0000 (UTC) Received: by mail-pf1-f175.google.com with SMTP id d2e1a72fcca58-64359d9c531so3371270b3a.3 for ; Mon, 08 May 2023 07:29:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1683556149; x=1686148149; 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=m1nY2tFDgGEcA5BPTW/qPM4ksEcua9dIFA1MwwOUg+w=; b=Y4KeKeEH2HyNjQj1MvzsAagGgVRUdpfCpDFHN+2mKM/yIL5V4lC3/r8BWTBVPv8mr8 crG2m3zs5hnPIFNLt92hug/24EbFLZl8MHqF6s0UAd9n57VO1wIMukU5t9t3dDPg2PRO sO9zoJNKGTBkOC3klDG6HaL02odtnyoCMZY6HzIpeP2+t3qrT/fC9nsHjjuQ7NCuBZj+ aq2dtuWODDaoxaCpgUoNZGGP1z628C7yRSBp+4ZUOT0oExNHPCeb8h1cRwyar7P0p+2V wseYx1vo0wkd9RoXyot8Efac9RcekQ3hmC2u3e4HorVZQmu9AI0obr74p9qEtJZc0r2+ fkMQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683556149; x=1686148149; 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=m1nY2tFDgGEcA5BPTW/qPM4ksEcua9dIFA1MwwOUg+w=; b=SoSXjAw1qjTHNytDBifiK9MnFAesuaRD2K6Z4l9lRXBtey45miyNNw5icCCGPjxHKW RzHyL08SHs6NGCLJifXUrhVHvFRrICLGEhupEAH/5qVbqo9pQvnVi+EfEidTRMaNa1UE xMgfOh8PBR1fI5DgDCfdO2HPhSE4cv9ICXTeitHoR2bsxmN1mHmKJPEZj2YQvCBzTfsI ZVFd9x0oCveHA1seF8NE/cOkVvN63T6nFnxO3SbD4owLlVXMu613pQPmhAMJB1xVPe0f BvTtIz6yy9xb7ufXAyS97iI1G15jaCjEwa0r5ApbGpMP5Iapnr6XsqWcX1K4Z7hz9Wr1 yNTg== X-Gm-Message-State: AC+VfDw4gSecI5ep8HzXAs+rGO99+aw/U2L1BZD/kKGshl7qPJtnmZ3t XAGP7iqFdjF4ft2k0sTFpR7Q8w== X-Google-Smtp-Source: ACHHUZ7gDrZ3JRghPX//cMrvwquC37PoOqjAFZxHaVQQxUAxuCDyhmWrefaoupApJJIMGX/LlXhLUA== X-Received: by 2002:a05:6a00:1503:b0:643:96e:666b with SMTP id q3-20020a056a00150300b00643096e666bmr13783594pfu.34.1683556149506; Mon, 08 May 2023 07:29:09 -0700 (PDT) Received: from anup-ubuntu-vm.localdomain ([171.76.84.206]) by smtp.gmail.com with ESMTPSA id k3-20020aa790c3000000b0063d46ec5777sm6082pfk.158.2023.05.08.07.29.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 May 2023 07:29:09 -0700 (PDT) From: Anup Patel To: Palmer Dabbelt , Paul Walmsley , Thomas Gleixner , Marc Zyngier , Rob Herring , Krzysztof Kozlowski , Robin Murphy , Joerg Roedel , Will Deacon , Frank Rowand Cc: Atish Patra , Andrew Jones , Anup Patel , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, iommu@lists.linux.dev, Anup Patel Subject: [PATCH v3 02/11] of/irq: Set FWNODE_FLAG_BEST_EFFORT for the interrupt controller DT nodes Date: Mon, 8 May 2023 19:58:33 +0530 Message-Id: <20230508142842.854564-3-apatel@ventanamicro.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230508142842.854564-1-apatel@ventanamicro.com> References: <20230508142842.854564-1-apatel@ventanamicro.com> Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The RISC-V APLIC interrupt controller driver is a regular platform driver so we need to ensure that it is probed as soon as possible. To achieve this, we mark the interrupt controller device nodes with FWNODE_FLAG_BEST_EFFORT (just like console DT node). Fixes: 8f486cab263c ("driver core: fw_devlink: Allow firmware to mark devices as best effort") Signed-off-by: Anup Patel --- drivers/of/irq.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/of/irq.c b/drivers/of/irq.c index 174900072c18..94e1d9245cff 100644 --- a/drivers/of/irq.c +++ b/drivers/of/irq.c @@ -535,6 +535,16 @@ void __init of_irq_init(const struct of_device_id *matches) INIT_LIST_HEAD(&intc_desc_list); INIT_LIST_HEAD(&intc_parent_list); + /* + * We need interrupt controller platform drivers to work as soon + * as possible so mark the interrupt controller device nodes with + * FWNODE_FLAG_BEST_EFFORT so that fw_delink knows not to delay + * the probe of the interrupt controller device for suppliers + * without drivers. + */ + for_each_node_with_property(np, "interrupt-controller") + np->fwnode.flags |= FWNODE_FLAG_BEST_EFFORT; + for_each_matching_node_and_match(np, matches, &match) { if (!of_property_read_bool(np, "interrupt-controller") || !of_device_is_available(np)) -- 2.34.1