From patchwork Tue Jan 11 00:23:04 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lad Prabhakar X-Patchwork-Id: 12709333 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 55EF4C433F5 for ; Tue, 11 Jan 2022 00:23:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345895AbiAKAXe (ORCPT ); Mon, 10 Jan 2022 19:23:34 -0500 Received: from relmlor1.renesas.com ([210.160.252.171]:55393 "EHLO relmlie5.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1345892AbiAKAXd (ORCPT ); Mon, 10 Jan 2022 19:23:33 -0500 X-IronPort-AV: E=Sophos;i="5.88,278,1635174000"; d="scan'208";a="106050139" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 11 Jan 2022 09:23:31 +0900 Received: from localhost.localdomain (unknown [10.226.36.204]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 2E2044157D34; Tue, 11 Jan 2022 09:23:30 +0900 (JST) From: Lad Prabhakar To: linux-media@vger.kernel.org, Mauro Carvalho Chehab , Hans Verkuil , Fabien Dessenne Cc: Rob Herring , Andy Shevchenko , Prabhakar , Lad Prabhakar , linux-kernel@vger.kernel.org Subject: [PATCH v2 03/13] media: bdisp: Use platform_get_irq() to get the interrupt Date: Tue, 11 Jan 2022 00:23:04 +0000 Message-Id: <20220111002314.15213-4-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220111002314.15213-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20220111002314.15213-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk List-ID: X-Mailing-List: linux-media@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 --- v1->v2 * No change. --- drivers/media/platform/sti/bdisp/bdisp-v4l2.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c index 01ce7b711774..5aa79d9277c8 100644 --- a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c +++ b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c @@ -1284,7 +1284,6 @@ static int bdisp_remove(struct platform_device *pdev) static int bdisp_probe(struct platform_device *pdev) { struct bdisp_dev *bdisp; - struct resource *res; struct device *dev = &pdev->dev; int ret; @@ -1335,14 +1334,11 @@ static int bdisp_probe(struct platform_device *pdev) goto err_wq; } - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!res) { - dev_err(dev, "failed to get IRQ resource\n"); - ret = -EINVAL; + ret = platform_get_irq(pdev, 0); + if (ret < 0) goto err_clk; - } - ret = devm_request_threaded_irq(dev, res->start, bdisp_irq_handler, + ret = devm_request_threaded_irq(dev, ret, bdisp_irq_handler, bdisp_irq_thread, IRQF_ONESHOT, pdev->name, bdisp); if (ret) {