Received: by 2002:a25:86ce:0:0:0:0:0 with SMTP id y14csp438722ybm; Wed, 22 May 2019 05:57:37 -0700 (PDT) X-Google-Smtp-Source: APXvYqyRkZxUctlMI82MDJXRkKEXls2M/T0pIBcJ7kATa8GWGVWFAUlBxMXaaVKi/wI+C0ASkZ2g X-Received: by 2002:a17:902:f085:: with SMTP id go5mr80993359plb.53.1558529857277; Wed, 22 May 2019 05:57:37 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1558529857; cv=none; d=google.com; s=arc-20160816; b=p8QSoe93QMfUIDxwG8j8tet84TJAc9jATEWyUO1q29VtV88PokMqU2bjjzZRfLnIXy cfnhi05uLM7/p0wT0RTpGFHrke0CUXU5kTkZsR9TzB+uHl9JhzNJI3zHdWpUHbjc6oOF CBWsyH1HOV9/MOQcp21N0KCaFZnjnGje9ARBJNfEhz0tO52PUVMT1K+yp1sq/32FGZw8 HG3UlKVIjw8z4cAFAT3pRHixsg9/oO85kvEq7eo9Mg9KngUspY9N/oovQEmkBAiVhf9K ybRyePlXxypIR2JMZwPnHds599nu3pNETAbECXWS4sSzqpR/vUYYLA+hHr49jX73k1+h /h7Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=V65vGxOAXB9+q6NXqSweaROCz6CdrIn2TzLdH3W+c6w=; b=IUCy6604ZP00q1frn2fLzo/07SIo7NlPEcUVbVHETOVKByDGUb4adSJyIdH158ufOv MB3y3mdJ84ohy14Vwe4wUuD+EIYBNtxE28kZEZyNVuZtM7KodE0sa4rcYoddeQv+boPl 9n28zvA0zX1ue/GScq0eOhndiUzDVDCf+QhTSpqI4ot2+Zhpmfq7pUM6YOXbTHzRlCQP 8bUuo/iYfII+4vUmVZhhahPdelWiOvURY8hHqCGwh7rgbxS6I4TOYuNTMGvEeejoMqLF ZuiRAe5hRFkggJMT7+OUvsFoCf/pqGd8b9W+I2SQq/GyfCMLG9gT/AF6whTmxsvYoXR2 rILw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id o8si25250005pgc.137.2019.05.22.05.57.22; Wed, 22 May 2019 05:57:37 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729402AbfEVMyg (ORCPT + 99 others); Wed, 22 May 2019 08:54:36 -0400 Received: from foss.arm.com ([217.140.101.70]:49970 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728761AbfEVMyg (ORCPT ); Wed, 22 May 2019 08:54:36 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 0364880D; Wed, 22 May 2019 05:54:36 -0700 (PDT) Received: from fuggles.cambridge.arm.com (usa-sjc-imap-foss1.foss.arm.com [10.72.51.249]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id C32D23F575; Wed, 22 May 2019 05:54:34 -0700 (PDT) Date: Wed, 22 May 2019 13:54:29 +0100 From: Will Deacon To: Christoph Hellwig Cc: jean-philippe.brucker@arm.com, lorenzo.pieralisi@arm.com, linux-acpi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] ACPI/IORT: Fix build without CONFIG_IOMMU_API Message-ID: <20190522125429.GA7876@fuggles.cambridge.arm.com> References: <20190520065746.17068-1-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190520065746.17068-1-hch@lst.de> User-Agent: Mutt/1.11.1+86 (6f28e57d73f2) () Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Christoph, On Mon, May 20, 2019 at 08:57:46AM +0200, Christoph Hellwig wrote: > IOMMU_FWSPEC_PCI_RC_ATS is only defined if CONFIG_IOMMU_API is > enabled. > > Fixes: 5702ee24182f ("ACPI/IORT: Check ATS capability in root complex nodes") > Signed-off-by: Christoph Hellwig > --- > drivers/acpi/arm64/iort.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c > index 9058cb084b91..3e542b5d2a2d 100644 > --- a/drivers/acpi/arm64/iort.c > +++ b/drivers/acpi/arm64/iort.c > @@ -1074,9 +1074,10 @@ const struct iommu_ops *iort_iommu_configure(struct device *dev) > info.node = node; > err = pci_for_each_dma_alias(to_pci_dev(dev), > iort_pci_iommu_init, &info); > - > +#ifdef CONFIG_IOMMU_API > if (!err && iort_pci_rc_supports_ats(node)) > dev->iommu_fwspec->flags |= IOMMU_FWSPEC_PCI_RC_ATS; > +#endif Cheers, although there's an alternative fix from Lorenzo that I'll send up for -rc2. Sorry for the delay; been having email issues this week. Will