From patchwork Wed Jun 8 11:48:26 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robin Murphy X-Patchwork-Id: 12873346 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DA6C6C433EF for ; Wed, 8 Jun 2022 11:48:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238381AbiFHLse (ORCPT ); Wed, 8 Jun 2022 07:48:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40982 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238098AbiFHLse (ORCPT ); Wed, 8 Jun 2022 07:48:34 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 6D01EDF9F; Wed, 8 Jun 2022 04:48:32 -0700 (PDT) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 4C0F6143D; Wed, 8 Jun 2022 04:48:32 -0700 (PDT) Received: from e121345-lin.cambridge.arm.com (e121345-lin.cambridge.arm.com [10.1.196.40]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id DB5053F73B; Wed, 8 Jun 2022 04:48:30 -0700 (PDT) From: Robin Murphy To: mst@redhat.com, jasowang@redhat.com Cc: kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] vdpa: Use device_iommu_capable() Date: Wed, 8 Jun 2022 12:48:26 +0100 Message-Id: <548e316fa282ce513fabb991a4c4d92258062eb5.1654688822.git.robin.murphy@arm.com> X-Mailer: git-send-email 2.36.1.dirty MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Use the new interface to check the capability for our device specifically. Signed-off-by: Robin Murphy Acked-by: Jason Wang --- drivers/vhost/vdpa.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index 935a1d0ddb97..4cfebcc24a03 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -1074,7 +1074,7 @@ static int vhost_vdpa_alloc_domain(struct vhost_vdpa *v) if (!bus) return -EFAULT; - if (!iommu_capable(bus, IOMMU_CAP_CACHE_COHERENCY)) + if (!device_iommu_capable(dma_dev, IOMMU_CAP_CACHE_COHERENCY)) return -ENOTSUPP; v->domain = iommu_domain_alloc(bus);