From patchwork Tue Jan 11 00:23:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar X-Patchwork-Id: 12709324 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 8AA31C433F5 for ; Tue, 11 Jan 2022 00:25:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Q7nWE4WwhZHGb3WCz0kfnkAtTDXSkUzlG6TMu6jFszg=; b=wy5RRl9n04FACG hTTbOmXhPk0y/lsOzlvGAJm9aWN3YIN6g+YN542z0gQtpo2nfE+/zuwdWHL/Oe/0d4z+W0GaFRhw3 t/laci3lkajJqaROhEPh13WqoLB2Fm09c3pyBfO/KKLWns6izIEbov4kp7nQu0eAF6zKxVt2oTK3j WpWFO1fKs6cGslarTnea5bsmZusoynXuCLyYKukJwPX8Letfukkow5IItfUhvqS7lnpmQezJUhxFb k4kd4KcsNiuDaCj6OQkVDsCE5M1uPY4wdByCKJdyDDso0fFwQCS9uY+0qtEgKo/D0QIFal8SZ9AyG jo337gOqUoleljfyhAQQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n74xG-00E4OQ-5i; Tue, 11 Jan 2022 00:24:02 +0000 Received: from relmlor1.renesas.com ([210.160.252.171] helo=relmlie5.idc.renesas.com) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n74wy-00E4EU-E1 for linux-arm-kernel@lists.infradead.org; Tue, 11 Jan 2022 00:23:45 +0000 X-IronPort-AV: E=Sophos;i="5.88,278,1635174000"; d="scan'208";a="106050162" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 11 Jan 2022 09:23:44 +0900 Received: from localhost.localdomain (unknown [10.226.36.204]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id DD2B54157D34; Tue, 11 Jan 2022 09:23:41 +0900 (JST) From: Lad Prabhakar To: linux-media@vger.kernel.org, Mauro Carvalho Chehab , Hans Verkuil , Krzysztof Kozlowski Cc: Rob Herring , Andy Shevchenko , Prabhakar , Lad Prabhakar , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 07/13] media: exynos-gsc: Use platform_get_irq() to get the interrupt Date: Tue, 11 Jan 2022 00:23:08 +0000 Message-Id: <20220111002314.15213-8-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> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220110_162344_609700_F3E7631B X-CRM114-Status: GOOD ( 15.21 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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/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;