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 180C3C4167B for ; Wed, 29 Nov 2023 03:09:55 +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-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:To:Subject:Cc: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=EUOgKupojxn+At2O9q5UKkc93Dm1Mtdrs4Z/hxKpsBY=; b=P2CBi6jDgd/xl7 lVheTriO4S8D2mb0EUg0LKVb+s/tXmiuFsgDDOVEZ76rC0k/7YabVM8FafRxyIhq8bS+EXr774vXQ ORp6KXr51QDjCaALgvlOFXqeLkGK77Me7O0Hh1GT8zxvT+Xmo7nfBZekA3cXemtQnFEX1AXBLJuld 9WaFLnJJiADHTHGIJWzR12HgVNonVhz3FhxXlHETy42hNaCPQs9zl9wgo6/iZK9X+wpFHbcvdeDVp WUaDJB7meP03QDjyrnlY9ga++cwKcTFNjNv+P3iZZ2IxvepKU05tfUqiaU/NpzcsjkxvTgE0VaFW2 0/vQHa62bvwTS2SR/+2Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1r8AxF-006uAi-11; Wed, 29 Nov 2023 03:09:37 +0000 Received: from mgamail.intel.com ([134.134.136.20]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1r8AxB-006u8i-1n; Wed, 29 Nov 2023 03:09:34 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1701227373; x=1732763373; h=message-id:date:mime-version:cc:subject:to:references: from:in-reply-to:content-transfer-encoding; bh=0uRT7eby29KrVItGuX/TtqLsIa8b48zVBs2iq6+uLQA=; b=ZjAHotP3G52jV+v2yzHm55zH3SgnxEPMab6l8Gw7HpLVU4jtHz65tinE 8iZPkmZIo0X1kesp9NaR5tQIGGKBrG3F9ZKhsNZK5x2NUiVxNtuq8TfOV Wjmx4asQsZr4APBS2G6s0BklOVMMlDFOUn+2oyctnXTMj3NcqgjY1xzUl pJvVoEmTJpe6/RmWDyOs+R6+4i230uZi5n3yPGXhaEnfig+BuiUqi42kW k6+HtsqqWDvsQs1WuH1cWaK5yPwcaU8GQ08Ow1UypMRM7tZNgc68gm3Qr 5CMDnUKzU6odciaowsW2xiHXOn7ct+hyy/8dVFp7gOKIUj1mUDA09DNN5 A==; X-IronPort-AV: E=McAfee;i="6600,9927,10908"; a="383475872" X-IronPort-AV: E=Sophos;i="6.04,234,1695711600"; d="scan'208";a="383475872" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Nov 2023 19:09:30 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10908"; a="834859498" X-IronPort-AV: E=Sophos;i="6.04,234,1695711600"; d="scan'208";a="834859498" Received: from blu2-mobl.ccr.corp.intel.com (HELO [10.254.211.119]) ([10.254.211.119]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 Nov 2023 19:09:17 -0800 Message-ID: Date: Wed, 29 Nov 2023 11:09:14 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Cc: baolu.lu@linux.intel.com, Christoph Hellwig , Jerry Snitselaar , Hector Martin , Moritz Fischer , patches@lists.linux.dev, "Rafael J. Wysocki" , Rob Herring , Thierry Reding Subject: Re: [PATCH 02/10] iommmu/of: Do not return struct iommu_ops from of_iommu_configure() To: Jason Gunthorpe , David Airlie , Alyssa Rosenzweig , Albert Ou , asahi@lists.linux.dev, Catalin Marinas , Danilo Krummrich , Daniel Vetter , Dexuan Cui , devicetree@vger.kernel.org, dmaengine@vger.kernel.org, dri-devel@lists.freedesktop.org, David Woodhouse , Frank Rowand , Hanjun Guo , Haiyang Zhang , iommu@lists.linux.dev, Jon Hunter , Joerg Roedel , Karol Herbst , Krzysztof Kozlowski , "K. Y. Srinivasan" , Laxman Dewangan , 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 , Lyude Paul , Marek Szyprowski , nouveau@lists.freedesktop.org, Palmer Dabbelt , Paul Walmsley , "Rafael J. Wysocki" , Rob Herring , Robin Murphy , Sudeep Holla , Suravee Suthikulpanit , Sven Peter , Thomas Bogendoerfer , Vineet Gupta , Vinod Koul , Wei Liu , Will Deacon References: <2-v1-720585788a7d+811b-iommu_fwspec_p1_jgg@nvidia.com> Content-Language: en-US From: Baolu Lu In-Reply-To: <2-v1-720585788a7d+811b-iommu_fwspec_p1_jgg@nvidia.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231128_190933_655231_8F867261 X-CRM114-Status: GOOD ( 10.43 ) 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: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On 2023/11/29 8:47, Jason Gunthorpe wrote: > Nothing needs this pointer. Return a normal error code with the usual > IOMMU semantic that ENODEV means 'there is no IOMMU driver'. > > Reviewed-by: Jerry Snitselaar > Acked-by: Rob Herring > Tested-by: Hector Martin > Signed-off-by: Jason Gunthorpe > --- > drivers/iommu/of_iommu.c | 31 +++++++++++++++++++------------ > drivers/of/device.c | 22 +++++++++++++++------- > include/linux/of_iommu.h | 13 ++++++------- > 3 files changed, 40 insertions(+), 26 deletions(-) Reviewed-by: Lu Baolu Best regards, baolu _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv