From patchwork Thu Dec 23 17:30:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar X-Patchwork-Id: 12698524 X-Patchwork-Delegate: kieran@bingham.xyz 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 E601BC433FE for ; Thu, 23 Dec 2021 17:30:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349532AbhLWRas (ORCPT ); Thu, 23 Dec 2021 12:30:48 -0500 Received: from relmlor2.renesas.com ([210.160.252.172]:57707 "EHLO relmlie6.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1349551AbhLWRap (ORCPT ); Thu, 23 Dec 2021 12:30:45 -0500 X-IronPort-AV: E=Sophos;i="5.88,230,1635174000"; d="scan'208";a="104983867" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 24 Dec 2021 02:30:44 +0900 Received: from localhost.localdomain (unknown [10.226.36.204]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 801B940C4A56; Fri, 24 Dec 2021 02:30:42 +0900 (JST) From: Lad Prabhakar To: linux-media@vger.kernel.org, Marek Szyprowski , Andrzej Hajda , Mauro Carvalho Chehab Cc: Hans Verkuil , Rob Herring , linux-kernel@vger.kernel.org, Prabhakar , linux-renesas-soc@vger.kernel.org, Lad Prabhakar , linux-arm-kernel@lists.infradead.org Subject: [PATCH 04/13] media: s5p-mfc: Use platform_get_irq() to get the interrupt Date: Thu, 23 Dec 2021 17:30:05 +0000 Message-Id: <20211223173015.22251-5-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211223173015.22251-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20211223173015.22251-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org platform_get_resource(pdev, IORESOURCE_IRQ, ..) relies on static allocation of IRQ resources in DT core code, this causes an issue when using hierarchical interrupt domains using "interrupts" property in the node as this bypasses the hierarchical setup and messes up the irq chaining. In preparation for removal of static setup of IRQ resource from DT core code use platform_get_irq(). Signed-off-by: Lad Prabhakar Reviewed-by: Andrzej Hajda --- drivers/media/platform/s5p-mfc/s5p_mfc.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c index f6732f031e96..761341934925 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c @@ -1268,7 +1268,6 @@ static int s5p_mfc_probe(struct platform_device *pdev) { struct s5p_mfc_dev *dev; struct video_device *vfd; - struct resource *res; int ret; pr_debug("%s++\n", __func__); @@ -1294,12 +1293,10 @@ static int s5p_mfc_probe(struct platform_device *pdev) if (IS_ERR(dev->regs_base)) return PTR_ERR(dev->regs_base); - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!res) { - dev_err(&pdev->dev, "failed to get irq resource\n"); - return -ENOENT; - } - dev->irq = res->start; + ret = platform_get_irq(pdev, 0); + if (ret < 0) + return ret; + dev->irq = ret; ret = devm_request_irq(&pdev->dev, dev->irq, s5p_mfc_irq, 0, pdev->name, dev); if (ret) {