From patchwork Tue Jan 11 00:23:02 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar Mahadev Lad X-Patchwork-Id: 79870 X-Patchwork-Delegate: hverkuil@xs4all.nl Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1n74wj-004MNI-DO; Tue, 11 Jan 2022 00:23:30 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345801AbiAKAX1 (ORCPT + 1 other); Mon, 10 Jan 2022 19:23:27 -0500 Received: from relmlor2.renesas.com ([210.160.252.172]:4418 "EHLO relmlie6.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S238204AbiAKAX0 (ORCPT ); Mon, 10 Jan 2022 19:23:26 -0500 X-IronPort-AV: E=Sophos;i="5.88,278,1635174000"; d="scan'208";a="106595501" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 11 Jan 2022 09:23:25 +0900 Received: from localhost.localdomain (unknown [10.226.36.204]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 382904157D12; Tue, 11 Jan 2022 09:23:23 +0900 (JST) From: Lad Prabhakar To: linux-media@vger.kernel.org, Mauro Carvalho Chehab , Hans Verkuil , Laurent Pinchart , Kieran Bingham Cc: Rob Herring , Andy Shevchenko , Prabhakar , Lad Prabhakar , linux-renesas-soc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 01/13] media: vsp1: Use platform_get_irq() to get the interrupt Date: Tue, 11 Jan 2022 00:23:02 +0000 Message-Id: <20220111002314.15213-2-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 X-LSpam-Score: -2.4 (--) X-LSpam-Report: No, score=-2.4 required=5.0 tests=BAYES_00=-1.9,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1 autolearn=ham autolearn_force=no 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: Laurent Pinchart --- v1->v2 * Used a local variable irq. * Included Ack from Laurent --- drivers/media/platform/vsp1/vsp1_drv.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/drivers/media/platform/vsp1/vsp1_drv.c b/drivers/media/platform/vsp1/vsp1_drv.c index c9044785b903..e5b865dca111 100644 --- a/drivers/media/platform/vsp1/vsp1_drv.c +++ b/drivers/media/platform/vsp1/vsp1_drv.c @@ -794,9 +794,9 @@ static int vsp1_probe(struct platform_device *pdev) { struct vsp1_device *vsp1; struct device_node *fcp_node; - struct resource *irq; unsigned int i; int ret; + int irq; vsp1 = devm_kzalloc(&pdev->dev, sizeof(*vsp1), GFP_KERNEL); if (vsp1 == NULL) @@ -813,14 +813,12 @@ static int vsp1_probe(struct platform_device *pdev) if (IS_ERR(vsp1->mmio)) return PTR_ERR(vsp1->mmio); - irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!irq) { - dev_err(&pdev->dev, "missing IRQ\n"); - return -EINVAL; - } + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; - ret = devm_request_irq(&pdev->dev, irq->start, vsp1_irq_handler, - IRQF_SHARED, dev_name(&pdev->dev), vsp1); + ret = devm_request_irq(&pdev->dev, irq, vsp1_irq_handler, + IRQF_SHARED, dev_name(&pdev->dev), vsp1); if (ret < 0) { dev_err(&pdev->dev, "failed to request IRQ\n"); return ret;