From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj1-f41.google.com (mail-pj1-f41.google.com [209.85.216.41]) (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 54E6459175 for ; Sat, 27 Jan 2024 16:19:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.216.41 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706372373; cv=none; b=Ddn2iu9Ik5WVpKxC+wlsMA5KzJSCBXEPo+CTvG+zjTbOufr6Rp+fLvtz9iXl2foXcT/UnNr4IDgKNrc5kb+Ojs2MGHrUnD8v5Kf1jiRz5uM9oUO60C4t/KEmPFzGpkU+rhYrJz8RYGthK+/nrqz4wZtJ5XfWohWM3rLHqa3bx3Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706372373; c=relaxed/simple; bh=+GBBwOVuguSzaQzNF5b8/hRaY+qoPU33UHIOV0yAeGc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=i2q5glGnnTGCIJqBAvZU8zi937GgvCIGq7W8Hy9ImwlWz4FbcfappY35+AdvBMCbFO8hGnGS8WVooZgQfsIcXfKu6Xk3yxgKiVbPM5fTeFCcUQS8lNLS64htal1/z4QCwOLV9AG3zQ9kkc92lpDIs+AoEncixNarkgqQf314Ghk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ventanamicro.com; spf=pass smtp.mailfrom=ventanamicro.com; dkim=pass (2048-bit key) header.d=ventanamicro.com header.i=@ventanamicro.com header.b=DZWl9CeV; arc=none smtp.client-ip=209.85.216.41 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="DZWl9CeV" Received: by mail-pj1-f41.google.com with SMTP id 98e67ed59e1d1-2906dffd8ddso1097187a91.3 for ; Sat, 27 Jan 2024 08:19:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1706372371; x=1706977171; 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=pa75apFvoQqeTQYHEjcSyJSyGrlM+GD5Ss5R8F0skYA=; b=DZWl9CeVODnlE4L1lyYT8iLI3m4e24NR5K6Wr1CJZD7IrEP8WUPnH+xjHyVoXSnFoU dQMG+O4mXJUNSr2w0QJaFIv0q6pZh1dIKcSkYKdQfoC/YGFJfF7UNOFaqiKN1LvaIb14 1grvkvCBZpHGnutHACap5FgDz/XP+SLaQlG5AZXaalDFPOyrZgj0Bxme72S6ANjaNgxs 8eMdqYCIy7/lSGCdCjP/289Bp/kvma/T60hpHZARHwVZ3EcJhh552KiN13cVJXpXT5TL Edr1wXQKV5/S+j2fo5Tl4qQuYpvyPtmlGqBBNdxfIv+zMmt2J6mI7db7lShlmLqmzDWZ qbWA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706372372; x=1706977172; 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=pa75apFvoQqeTQYHEjcSyJSyGrlM+GD5Ss5R8F0skYA=; b=lDMRUeDQqcyJiaGG437qfzNUT+xka2Osh18Y3wXSdPp8fNRJ/VQoi8EaZ2sHQk5XYk wfbS/KZ0sef/llqgEgCn5d61Zruw+ERwZOr829/ysgrqBqmIEofnK0l8KknoyNd3HCQV Z4bUHDunwKqVR0pE7l1Bjgkdl8qY6QGRrZJWw07P9HvQBCErPkRb/815uCdhHDfHP927 jz9nrN4CtEOGr+y+VvZu7E/v1W+2jK9jmvC1EiLRfgZeN6VMAvA22bdFsmX3l7IWMW6H j26QpCeepJKAsr2AbeKhixgEk+lFGao9g3MKojknNgJ/cnIcQ26060adhh0B3jiL3+T1 0hpw== X-Gm-Message-State: AOJu0Yykljhlb0CY1ojWr43iABvQkHWHagpk7rtXESxQTGa/vnLjnUeY QU3G9nBm/Uv116SSk5+zLmc7SKxbMEZR7wvYU1oLU+azU253FP2rmp8U6F8Sj8c= X-Google-Smtp-Source: AGHT+IE/rJ2r2skLkyRBRQ7dQ1nBUrmMrx5hJrAYD8oWBMwqSdt16t4NKyP2y8H/3zZRRkEi017a7A== X-Received: by 2002:a17:90a:72c6:b0:28e:8b5f:6406 with SMTP id l6-20020a17090a72c600b0028e8b5f6406mr1198317pjk.87.1706372371612; Sat, 27 Jan 2024 08:19:31 -0800 (PST) Received: from anup-ubuntu-vm.localdomain ([171.76.86.17]) by smtp.gmail.com with ESMTPSA id d11-20020a17090ac24b00b00290f8c708d0sm5091620pjx.57.2024.01.27.08.19.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 27 Jan 2024 08:19:31 -0800 (PST) From: Anup Patel To: Palmer Dabbelt , Paul Walmsley , Thomas Gleixner , Rob Herring , Krzysztof Kozlowski , Frank Rowand , Conor Dooley Cc: Marc Zyngier , =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= , Atish Patra , Andrew Jones , Sunil V L , Saravana Kannan , Anup Patel , linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Anup Patel Subject: [PATCH v12 13/25] genirq/msi: Provide MSI_FLAG_PARENT_PM_DEV Date: Sat, 27 Jan 2024 21:47:41 +0530 Message-Id: <20240127161753.114685-14-apatel@ventanamicro.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240127161753.114685-1-apatel@ventanamicro.com> References: <20240127161753.114685-1-apatel@ventanamicro.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Thomas Gleixner Some platform-MSI implementations require that power management is redirected to the underlying interrupt chip device. To make this work with per device MSI domains provide a new feature flag and let the core code handle the setup of dev->pm_dev when set during device MSI domain creation. Signed-off-by: Thomas Gleixner Signed-off-by: Anup Patel --- include/linux/msi.h | 2 ++ kernel/irq/msi.c | 5 ++++- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/include/linux/msi.h b/include/linux/msi.h index ac73f678da7d..b21581ca8e9a 100644 --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -554,6 +554,8 @@ enum { MSI_FLAG_FREE_MSI_DESCS = (1 << 6), /* Use dev->fwnode for MSI device domain creation */ MSI_FLAG_USE_DEV_FWNODE = (1 << 7), + /* Set parent->dev into domain->pm_dev on device domain creation */ + MSI_FLAG_PARENT_PM_DEV = (1 << 8), /* Mask for the generic functionality */ MSI_GENERIC_FLAGS_MASK = GENMASK(15, 0), diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c index 07e9daaf0657..f90952ebc494 100644 --- a/kernel/irq/msi.c +++ b/kernel/irq/msi.c @@ -845,8 +845,11 @@ static struct irq_domain *__msi_create_irq_domain(struct fwnode_handle *fwnode, domain = irq_domain_create_hierarchy(parent, flags | IRQ_DOMAIN_FLAG_MSI, 0, fwnode, &msi_domain_ops, info); - if (domain) + if (domain) { irq_domain_update_bus_token(domain, info->bus_token); + if (info->flags & MSI_FLAG_PARENT_PM_DEV) + domain->pm_dev = parent->pm_dev; + } return domain; } -- 2.34.1 From mboxrd@z Thu Jan 1 00:00:00 1970 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 530F7C46CD2 for ; Sat, 27 Jan 2024 16:21:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=uxhu02jcHsszVqtwWabTCT/nHQN83IaBdD9C6N+Aj4o=; 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Sat, 27 Jan 2024 08:19:31 -0800 (PST) Received: from anup-ubuntu-vm.localdomain ([171.76.86.17]) by smtp.gmail.com with ESMTPSA id d11-20020a17090ac24b00b00290f8c708d0sm5091620pjx.57.2024.01.27.08.19.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 27 Jan 2024 08:19:31 -0800 (PST) From: Anup Patel To: Palmer Dabbelt , Paul Walmsley , Thomas Gleixner , Rob Herring , Krzysztof Kozlowski , Frank Rowand , Conor Dooley Subject: [PATCH v12 13/25] genirq/msi: Provide MSI_FLAG_PARENT_PM_DEV Date: Sat, 27 Jan 2024 21:47:41 +0530 Message-Id: <20240127161753.114685-14-apatel@ventanamicro.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240127161753.114685-1-apatel@ventanamicro.com> References: <20240127161753.114685-1-apatel@ventanamicro.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240127_081932_688990_645C2A04 X-CRM114-Status: GOOD ( 14.09 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Anup Patel , devicetree@vger.kernel.org, Saravana Kannan , Marc Zyngier , Anup Patel , linux-kernel@vger.kernel.org, =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= , Atish Patra , linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Andrew Jones Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Thomas Gleixner Some platform-MSI implementations require that power management is redirected to the underlying interrupt chip device. To make this work with per device MSI domains provide a new feature flag and let the core code handle the setup of dev->pm_dev when set during device MSI domain creation. Signed-off-by: Thomas Gleixner Signed-off-by: Anup Patel --- include/linux/msi.h | 2 ++ kernel/irq/msi.c | 5 ++++- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/include/linux/msi.h b/include/linux/msi.h index ac73f678da7d..b21581ca8e9a 100644 --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -554,6 +554,8 @@ enum { MSI_FLAG_FREE_MSI_DESCS = (1 << 6), /* Use dev->fwnode for MSI device domain creation */ MSI_FLAG_USE_DEV_FWNODE = (1 << 7), + /* Set parent->dev into domain->pm_dev on device domain creation */ + MSI_FLAG_PARENT_PM_DEV = (1 << 8), /* Mask for the generic functionality */ MSI_GENERIC_FLAGS_MASK = GENMASK(15, 0), diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c index 07e9daaf0657..f90952ebc494 100644 --- a/kernel/irq/msi.c +++ b/kernel/irq/msi.c @@ -845,8 +845,11 @@ static struct irq_domain *__msi_create_irq_domain(struct fwnode_handle *fwnode, domain = irq_domain_create_hierarchy(parent, flags | IRQ_DOMAIN_FLAG_MSI, 0, fwnode, &msi_domain_ops, info); - if (domain) + if (domain) { irq_domain_update_bus_token(domain, info->bus_token); + if (info->flags & MSI_FLAG_PARENT_PM_DEV) + domain->pm_dev = parent->pm_dev; + } return domain; } -- 2.34.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv From mboxrd@z Thu Jan 1 00:00:00 1970 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 4126FC47DDF for ; Sat, 27 Jan 2024 16:22:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; 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Sat, 27 Jan 2024 08:19:31 -0800 (PST) Received: from anup-ubuntu-vm.localdomain ([171.76.86.17]) by smtp.gmail.com with ESMTPSA id d11-20020a17090ac24b00b00290f8c708d0sm5091620pjx.57.2024.01.27.08.19.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 27 Jan 2024 08:19:31 -0800 (PST) From: Anup Patel To: Palmer Dabbelt , Paul Walmsley , Thomas Gleixner , Rob Herring , Krzysztof Kozlowski , Frank Rowand , Conor Dooley Cc: Marc Zyngier , =?UTF-8?q?Bj=C3=B6rn=20T=C3=B6pel?= , Atish Patra , Andrew Jones , Sunil V L , Saravana Kannan , Anup Patel , linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Anup Patel Subject: [PATCH v12 13/25] genirq/msi: Provide MSI_FLAG_PARENT_PM_DEV Date: Sat, 27 Jan 2024 21:47:41 +0530 Message-Id: <20240127161753.114685-14-apatel@ventanamicro.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240127161753.114685-1-apatel@ventanamicro.com> References: <20240127161753.114685-1-apatel@ventanamicro.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240127_081932_753463_BF2379F4 X-CRM114-Status: GOOD ( 15.53 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Thomas Gleixner Some platform-MSI implementations require that power management is redirected to the underlying interrupt chip device. To make this work with per device MSI domains provide a new feature flag and let the core code handle the setup of dev->pm_dev when set during device MSI domain creation. Signed-off-by: Thomas Gleixner Signed-off-by: Anup Patel --- include/linux/msi.h | 2 ++ kernel/irq/msi.c | 5 ++++- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/include/linux/msi.h b/include/linux/msi.h index ac73f678da7d..b21581ca8e9a 100644 --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -554,6 +554,8 @@ enum { MSI_FLAG_FREE_MSI_DESCS = (1 << 6), /* Use dev->fwnode for MSI device domain creation */ MSI_FLAG_USE_DEV_FWNODE = (1 << 7), + /* Set parent->dev into domain->pm_dev on device domain creation */ + MSI_FLAG_PARENT_PM_DEV = (1 << 8), /* Mask for the generic functionality */ MSI_GENERIC_FLAGS_MASK = GENMASK(15, 0), diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c index 07e9daaf0657..f90952ebc494 100644 --- a/kernel/irq/msi.c +++ b/kernel/irq/msi.c @@ -845,8 +845,11 @@ static struct irq_domain *__msi_create_irq_domain(struct fwnode_handle *fwnode, domain = irq_domain_create_hierarchy(parent, flags | IRQ_DOMAIN_FLAG_MSI, 0, fwnode, &msi_domain_ops, info); - if (domain) + if (domain) { irq_domain_update_bus_token(domain, info->bus_token); + if (info->flags & MSI_FLAG_PARENT_PM_DEV) + domain->pm_dev = parent->pm_dev; + } return domain; } -- 2.34.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel