From mboxrd@z Thu Jan 1 00:00:00 1970 From: Laurent Pinchart Subject: Re: [PATCH 3/5] iommu/ipmmu-vmsa: Add device tree support Date: Mon, 31 Mar 2014 16:09:41 +0200 Message-ID: <4940423.MM1jLpQkNj@avalon> References: <1396049781-12941-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com> <1396049781-12941-4-git-send-email-laurent.pinchart+renesas@ideasonboard.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: Geert Uytterhoeven Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, Laurent Pinchart , Linux-sh list List-Id: iommu@lists.linux-foundation.org Hi Geert, On Monday 31 March 2014 10:45:00 Geert Uytterhoeven wrote: > On Sat, Mar 29, 2014 at 12:36 AM, Laurent Pinchart wrote: > > @@ -828,16 +829,31 @@ static phys_addr_t ipmmu_iova_to_phys(struct > > iommu_domain *io_domain,> > > static int ipmmu_find_utlb(struct ipmmu_vmsa_device *mmu, struct device > > *dev) { > > > > + ret = of_parse_phandle_with_fixed_args(dev->of_node, "iommus", > > + 1, 0, &args); > > drivers/of/base.c:of_parse_phandle_with_fixed_args(): > > "Caller is responsible to call of_node_put() on the returned out_args->node > pointer." Thank you for the review. I'll fix that in v2. > > + if (ret < 0) > > + return -1; > > + > > + if (args.np != mmu->dev->of_node) > > + return -1; > > + > > + return args.args[0]; > > } - Regards, Laurent Pinchart