From patchwork Mon Nov 27 20:58:04 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alan Tull X-Patchwork-Id: 10078107 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 411DA60353 for ; Mon, 27 Nov 2017 21:02:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3413F28D5D for ; Mon, 27 Nov 2017 21:02:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 28F6E29062; Mon, 27 Nov 2017 21:02:39 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BF84028D5D for ; Mon, 27 Nov 2017 21:02:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932166AbdK0VCW (ORCPT ); Mon, 27 Nov 2017 16:02:22 -0500 Received: from mail.kernel.org ([198.145.29.99]:40254 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753102AbdK0U6M (ORCPT ); Mon, 27 Nov 2017 15:58:12 -0500 Received: from localhost.localdomain (user-0ccsrjt.cable.mindspring.com [24.206.110.125]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id B120421997; Mon, 27 Nov 2017 20:58:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B120421997 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=atull@kernel.org From: Alan Tull To: Rob Herring , Frank Rowand , Pantelis Antoniou Cc: Moritz Fischer , Alan Tull , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fpga@vger.kernel.org Subject: [RFC 2/2] fpga: of region: add of-fpga-region to whitelist Date: Mon, 27 Nov 2017 14:58:04 -0600 Message-Id: <1511816284-12145-3-git-send-email-atull@kernel.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1511816284-12145-1-git-send-email-atull@kernel.org> References: <1511816284-12145-1-git-send-email-atull@kernel.org> Sender: linux-fpga-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fpga@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP During each FPGA region's probe, add to whitelist. Remove during driver remove. Signed-off-by: Alan Tull --- drivers/fpga/of-fpga-region.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/fpga/of-fpga-region.c b/drivers/fpga/of-fpga-region.c index 7dfaa95..abb57a9 100644 --- a/drivers/fpga/of-fpga-region.c +++ b/drivers/fpga/of-fpga-region.c @@ -435,6 +435,10 @@ static int of_fpga_region_probe(struct platform_device *pdev) /* Specify how to get bridges for this type of region. */ region->get_bridges = of_fpga_region_get_bridges; + ret = of_add_whitelist_node(np); + if (ret) + goto eprobe_wl_err; + ret = fpga_region_register(region); if (ret) goto eprobe_mgr_put; @@ -447,6 +451,8 @@ static int of_fpga_region_probe(struct platform_device *pdev) return 0; eprobe_mgr_put: + of_remove_whitelist_node(np); +eprobe_wl_err: fpga_mgr_put(mgr); return ret; } @@ -454,7 +460,10 @@ static int of_fpga_region_probe(struct platform_device *pdev) static int of_fpga_region_remove(struct platform_device *pdev) { struct fpga_region *region = platform_get_drvdata(pdev); + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; + of_remove_whitelist_node(np); fpga_region_unregister(region); fpga_mgr_put(region->mgr);