From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 76EE930D15; Wed, 8 Nov 2023 16:18:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=none Received: from mail-ot1-f44.google.com (mail-ot1-f44.google.com [209.85.210.44]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0D491C6; Wed, 8 Nov 2023 08:18:26 -0800 (PST) Received: by mail-ot1-f44.google.com with SMTP id 46e09a7af769-6ce2988d62eso4356094a34.1; Wed, 08 Nov 2023 08:18:26 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1699460305; x=1700065105; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=EYkPle1MdHD/QkRy5uvWyvoGAuw8CDQwR9sXIE03ZSs=; b=RXSHLh4HOWMqLZ30N3K2lKpvfRr+r9Dc9nEX5qYWKkTPP1ZhcHSnJ4v7Tk0jURZw/K etiiJS4W7OnOlQVTIBigw6cBqCUfxowcZA37FoKiE7WOYT7o8agexWy7o4G7K/42+ymz H7h3fVPmiOjkbcC1IhxzvS+VxT1YNHq2gUf+J/VtF5WBIgKQxQ9XP0T5/VYLrUgndIYd D3HAPGewyU6bik4QBPm+DnUei/z14QxZjCS6n6si1IYhdpujeedUIWSIm3GF53CgT+Ik 1DJFYP934ZcwXbI63+j+VSbpiMfLvUH/xzfuHuvlVoxYQsTX6UoFkaQXAo53PF8A9kPf NUnA== X-Gm-Message-State: AOJu0Yx/nvYbhj/aivR+H9DT5qIRQBh9Hd995oS/5wJwbeW8+sd3fGcm y6ipqceb08xhCMxtKmMWlA== X-Google-Smtp-Source: AGHT+IHdx3/gHf0uiMEsZF6g8NbonKAcCJCMoAU+4cEwM7tQNoaEke7MS1G/3+EpNqOeJUuZFsInWw== X-Received: by 2002:a05:6830:4394:b0:6d5:4daf:9894 with SMTP id s20-20020a056830439400b006d54daf9894mr2008363otv.7.1699460305289; Wed, 08 Nov 2023 08:18:25 -0800 (PST) Received: from herring.priv (66-90-144-107.dyn.grandenetworks.net. [66.90.144.107]) by smtp.gmail.com with ESMTPSA id ew20-20020a0568303d9400b006b89dafb721sm1939661otb.78.2023.11.08.08.18.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Nov 2023 08:18:24 -0800 (PST) Received: (nullmailer pid 2333673 invoked by uid 1000); Wed, 08 Nov 2023 16:18:22 -0000 Date: Wed, 8 Nov 2023 10:18:22 -0600 From: Rob Herring To: Jason Gunthorpe Cc: acpica-devel@lists.linuxfoundation.org, Alyssa Rosenzweig , Albert Ou , asahi@lists.linux.dev, Lu Baolu , Catalin Marinas , Dexuan Cui , devicetree@vger.kernel.org, David Woodhouse , Frank Rowand , Hanjun Guo , Haiyang Zhang , Christoph Hellwig , iommu@lists.linux.dev, Jean-Philippe Brucker , Jonathan Hunter , Joerg Roedel , "K. Y. Srinivasan" , Len Brown , linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-hyperv@vger.kernel.org, linux-mips@vger.kernel.org, linux-riscv@lists.infradead.org, linux-snps-arc@lists.infradead.org, linux-tegra@vger.kernel.org, Russell King , Lorenzo Pieralisi , Marek Szyprowski , Hector Martin , Palmer Dabbelt , Paul Walmsley , "Rafael J. Wysocki" , Robert Moore , Robin Murphy , Sudeep Holla , Suravee Suthikulpanit , Sven Peter , Thierry Reding , Thomas Bogendoerfer , Krishna Reddy , Vineet Gupta , virtualization@lists.linux-foundation.org, Wei Liu , Will Deacon , Zhenhua Huang Subject: Re: [PATCH RFC 01/17] iommu: Remove struct iommu_ops *iommu from arch_setup_dma_ops() Message-ID: <20231108161822.GC2254211-robh@kernel.org> References: <0-v1-5f734af130a3+34f-iommu_fwspec_jgg@nvidia.com> <1-v1-5f734af130a3+34f-iommu_fwspec_jgg@nvidia.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1-v1-5f734af130a3+34f-iommu_fwspec_jgg@nvidia.com> On Fri, Nov 03, 2023 at 01:44:46PM -0300, Jason Gunthorpe wrote: > This is not being used to pass ops, it is just a way to tell if an > iommu driver was probed. These days this can be detected directly via > device_iommu_mapped(). Call device_iommu_mapped() in the two places that > need to check it and remove the iommu parameter everywhere. > > Signed-off-by: Jason Gunthorpe > --- > arch/arc/mm/dma.c | 2 +- > arch/arm/mm/dma-mapping-nommu.c | 2 +- > arch/arm/mm/dma-mapping.c | 10 +++++----- > arch/arm64/mm/dma-mapping.c | 4 ++-- > arch/mips/mm/dma-noncoherent.c | 2 +- > arch/riscv/mm/dma-noncoherent.c | 2 +- > drivers/acpi/scan.c | 3 +-- > drivers/hv/hv_common.c | 2 +- > drivers/of/device.c | 2 +- Acked-by: Rob Herring > include/linux/dma-map-ops.h | 4 ++-- > 10 files changed, 16 insertions(+), 17 deletions(-)