From patchwork Tue Jan 11 00:23:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lad Prabhakar X-Patchwork-Id: 12709338 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 ED2F3C4332F for ; Tue, 11 Jan 2022 00:23:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345960AbiAKAXt (ORCPT ); Mon, 10 Jan 2022 19:23:49 -0500 Received: from relmlor1.renesas.com ([210.160.252.171]:24144 "EHLO relmlie5.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1345923AbiAKAXr (ORCPT ); Mon, 10 Jan 2022 19:23:47 -0500 X-IronPort-AV: E=Sophos;i="5.88,278,1635174000"; d="scan'208";a="106050168" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 11 Jan 2022 09:23:46 +0900 Received: from localhost.localdomain (unknown [10.226.36.204]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 005794157D12; Tue, 11 Jan 2022 09:23:44 +0900 (JST) From: Lad Prabhakar To: linux-media@vger.kernel.org, Mauro Carvalho Chehab , Hans Verkuil Cc: Rob Herring , Andy Shevchenko , Prabhakar , Lad Prabhakar , linux-kernel@vger.kernel.org Subject: [PATCH v2 08/13] media: marvell-ccic: Use platform_get_irq() to get the interrupt Date: Tue, 11 Jan 2022 00:23:09 +0000 Message-Id: <20220111002314.15213-9-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/marvell-ccic/mmp-driver.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/drivers/media/platform/marvell-ccic/mmp-driver.c b/drivers/media/platform/marvell-ccic/mmp-driver.c index 343ab4f7d807..df16899ab1cb 100644 --- a/drivers/media/platform/marvell-ccic/mmp-driver.c +++ b/drivers/media/platform/marvell-ccic/mmp-driver.c @@ -270,12 +270,10 @@ static int mmpcam_probe(struct platform_device *pdev) * Finally, set up our IRQ now that the core is ready to * deal with it. */ - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (res == NULL) { - ret = -ENODEV; + ret = platform_get_irq(pdev, 0); + if (ret < 0) goto out; - } - cam->irq = res->start; + cam->irq = ret; ret = devm_request_irq(&pdev->dev, cam->irq, mmpcam_irq, IRQF_SHARED, "mmp-camera", mcam); if (ret)