From patchwork Thu Dec 23 17:30:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar Mahadev Lad X-Patchwork-Id: 527912 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 1BC47C433EF for ; Thu, 23 Dec 2021 17:31:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349595AbhLWRa6 (ORCPT ); Thu, 23 Dec 2021 12:30:58 -0500 Received: from relmlor2.renesas.com ([210.160.252.172]:39673 "EHLO relmlie6.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1349606AbhLWRaz (ORCPT ); Thu, 23 Dec 2021 12:30:55 -0500 X-IronPort-AV: E=Sophos;i="5.88,230,1635174000"; d="scan'208";a="104983888" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 24 Dec 2021 02:30:54 +0900 Received: from localhost.localdomain (unknown [10.226.36.204]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id C64CE40C4DA9; Fri, 24 Dec 2021 02:30:51 +0900 (JST) From: Lad Prabhakar To: linux-media@vger.kernel.org, Mauro Carvalho Chehab , Krzysztof Kozlowski 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, linux-samsung-soc@vger.kernel.org Subject: [PATCH 07/13] media: exynos-gsc: Use platform_get_irq() to get the interrupt Date: Thu, 23 Dec 2021 17:30:08 +0000 Message-Id: <20211223173015.22251-8-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-samsung-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 --- drivers/media/platform/exynos-gsc/gsc-core.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/drivers/media/platform/exynos-gsc/gsc-core.c b/drivers/media/platform/exynos-gsc/gsc-core.c index cfd6ae70b8d8..e3559b047092 100644 --- a/drivers/media/platform/exynos-gsc/gsc-core.c +++ b/drivers/media/platform/exynos-gsc/gsc-core.c @@ -1106,9 +1106,9 @@ MODULE_DEVICE_TABLE(of, exynos_gsc_match); static int gsc_probe(struct platform_device *pdev) { struct gsc_dev *gsc; - struct resource *res; struct device *dev = &pdev->dev; const struct gsc_driverdata *drv_data = of_device_get_match_data(dev); + int irq; int ret; int i; @@ -1141,11 +1141,9 @@ static int gsc_probe(struct platform_device *pdev) if (IS_ERR(gsc->regs)) return PTR_ERR(gsc->regs); - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!res) { - dev_err(dev, "failed to get IRQ resource\n"); - return -ENXIO; - } + irq = platform_get_irq(pdev, 0); + if (irq < 0) + return irq; for (i = 0; i < gsc->num_clocks; i++) { gsc->clock[i] = devm_clk_get(dev, drv_data->clk_names[i]); @@ -1167,8 +1165,8 @@ static int gsc_probe(struct platform_device *pdev) } } - ret = devm_request_irq(dev, res->start, gsc_irq_handler, - 0, pdev->name, gsc); + ret = devm_request_irq(dev, irq, gsc_irq_handler, + 0, pdev->name, gsc); if (ret) { dev_err(dev, "failed to install irq (%d)\n", ret); goto err_clk;