From nobody Tue Feb 10 03:37:05 2026 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 AB5DDC7EE2C for ; Mon, 29 May 2023 17:14:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229624AbjE2ROa (ORCPT ); Mon, 29 May 2023 13:14:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51492 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229579AbjE2ROW (ORCPT ); Mon, 29 May 2023 13:14:22 -0400 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 6FECEAB for ; Mon, 29 May 2023 10:14:19 -0700 (PDT) Received: from loongson.cn (unknown [10.20.42.43]) by gateway (Coremail) with SMTP id _____8AxxfBq3XRkkkkCAA--.915S3; Tue, 30 May 2023 01:14:18 +0800 (CST) Received: from openarena.loongson.cn (unknown [10.20.42.43]) by localhost.localdomain (Coremail) with SMTP id AQAAf8DxD79p3XRkLUJ_AA--.10654S3; Tue, 30 May 2023 01:14:17 +0800 (CST) From: Sui Jingfeng To: Lucas Stach , Russell King , Christian Gmeiner , David Airlie , Daniel Vetter Cc: linux-kernel@vger.kernel.org, etnaviv@lists.freedesktop.org, dri-devel@lists.freedesktop.org, loongson-kernel@lists.loongnix.cn, Li Yi Subject: [PATCH v4 1/6] drm/etnaviv: add a dedicated function to register an irq handler Date: Tue, 30 May 2023 01:14:12 +0800 Message-Id: <20230529171417.2146323-2-suijingfeng@loongson.cn> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230529171417.2146323-1-suijingfeng@loongson.cn> References: <20230529171417.2146323-1-suijingfeng@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: AQAAf8DxD79p3XRkLUJ_AA--.10654S3 X-CM-SenderInfo: xvxlyxpqjiv03j6o00pqjv00gofq/ X-Coremail-Antispam: 1Uk129KBjvJXoW7AFWDWF4UKFyfArW3ZF47Jwb_yoW8Zr15pa 17Ja4Ykr18ua42g34fZF98ZF1akw1IqayIkwnrt3sak398Jrs8JryFkF1UJa4fAryrGay3 tF1jgFWUuF45u3DanT9S1TB71UUUUj7qnTZGkaVYY2UrUUUUj1kv1TuYvTs0mT0YCTnIWj qI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUIcSsGvfJTRUUU bf8YFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20xvaj40_Wr0E3s 1l1IIY67AEw4v_JF0_JFyl8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28EF7xv wVC0I7IYx2IY67AKxVWUCVW8JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVWUJVW8JwA2z4 x0Y4vEx4A2jsIE14v26r1j6r4UM28EF7xvwVC2z280aVCY1x0267AKxVWUJVW8JwAaw2AF wI0_JF0_Jw1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqjxCEc2xF0cIa020Ex4CE44I27w Aqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jw0_WrylYx0Ex4A2jsIE 14v26r4j6F4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwCY1x0262kKe7 AKxVWUAVWUtwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwCFI7km07C2 67AKxVWUAVWUtwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI 8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUCVW8 JwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Jr0_Gr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r 1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Jr0_GrUvcSsG vfC2KfnxnUUI43ZEXa7IU8Gii3UUUUU== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Because getting IRQ from a device is platform-dependent, PCI devices have different methods for getting an IRQ. This patch is a preparation patch to extend support for the PCI device. Signed-off-by: Sui Jingfeng --- drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 34 ++++++++++++++++++++------- 1 file changed, 25 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnavi= v/etnaviv_gpu.c index de8c9894967c..636d3f39ddcb 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -1817,6 +1817,29 @@ static const struct of_device_id etnaviv_gpu_match[]= =3D { }; MODULE_DEVICE_TABLE(of, etnaviv_gpu_match); =20 +static int etnaviv_gpu_register_irq(struct etnaviv_gpu *gpu, int irq) +{ + struct device *dev =3D gpu->dev; + int err; + + if (irq < 0) { + dev_err(dev, "failed to get irq: %d\n", irq); + return irq; + } + + err =3D devm_request_irq(dev, irq, irq_handler, 0, dev_name(dev), gpu); + if (err) { + dev_err(dev, "failed to request IRQ %u: %d\n", irq, err); + return err; + } + + gpu->irq =3D irq; + + dev_info(dev, "IRQ handler registered, irq =3D %d\n", irq); + + return 0; +} + static int etnaviv_gpu_platform_probe(struct platform_device *pdev) { struct device *dev =3D &pdev->dev; @@ -1837,16 +1860,9 @@ static int etnaviv_gpu_platform_probe(struct platfor= m_device *pdev) return PTR_ERR(gpu->mmio); =20 /* Get Interrupt: */ - gpu->irq =3D platform_get_irq(pdev, 0); - if (gpu->irq < 0) - return gpu->irq; - - err =3D devm_request_irq(&pdev->dev, gpu->irq, irq_handler, 0, - dev_name(gpu->dev), gpu); - if (err) { - dev_err(dev, "failed to request IRQ%u: %d\n", gpu->irq, err); + err =3D etnaviv_gpu_register_irq(gpu, platform_get_irq(pdev, 0)); + if (err) return err; - } =20 /* Get Clocks: */ gpu->clk_reg =3D devm_clk_get_optional(&pdev->dev, "reg"); --=20 2.25.1