From patchwork Thu Aug 3 04:03:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 13339222 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 5B211EB64DD for ; Thu, 3 Aug 2023 04:04:44 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D847A10E592; Thu, 3 Aug 2023 04:04:41 +0000 (UTC) Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by gabe.freedesktop.org (Postfix) with ESMTPS id CF39210E592 for ; Thu, 3 Aug 2023 04:04:39 +0000 (UTC) Received: from kwepemi500008.china.huawei.com (unknown [172.30.72.57]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4RGZtz2BSNzVjj9; Thu, 3 Aug 2023 12:02:51 +0800 (CST) Received: from huawei.com (10.90.53.73) by kwepemi500008.china.huawei.com (7.221.188.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Thu, 3 Aug 2023 12:04:36 +0800 From: Ruan Jinjie To: , , , , , , , , , , , , Subject: [PATCH -next v2 1/2] drm/panfrost: Do not check for 0 return after calling platform_get_irq_byname() Date: Thu, 3 Aug 2023 12:03:59 +0800 Message-ID: <20230803040401.3067484-2-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230803040401.3067484-1-ruanjinjie@huawei.com> References: <20230803040401.3067484-1-ruanjinjie@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.90.53.73] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To kwepemi500008.china.huawei.com (7.221.188.139) X-CFilter-Loop: Reflected X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ruanjinjie@huawei.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" It is not possible for platform_get_irq_byname() to return 0. Use the return value from platform_get_irq_byname(). Signed-off-by: Ruan Jinjie Reviewed-by: Steven Price --- drivers/gpu/drm/panfrost/panfrost_gpu.c | 4 ++-- drivers/gpu/drm/panfrost/panfrost_job.c | 4 ++-- drivers/gpu/drm/panfrost/panfrost_mmu.c | 4 ++-- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/panfrost/panfrost_gpu.c b/drivers/gpu/drm/panfrost/panfrost_gpu.c index d28b99732dde..2faa344d89ee 100644 --- a/drivers/gpu/drm/panfrost/panfrost_gpu.c +++ b/drivers/gpu/drm/panfrost/panfrost_gpu.c @@ -390,8 +390,8 @@ int panfrost_gpu_init(struct panfrost_device *pfdev) dma_set_max_seg_size(pfdev->dev, UINT_MAX); irq = platform_get_irq_byname(to_platform_device(pfdev->dev), "gpu"); - if (irq <= 0) - return -ENODEV; + if (irq < 0) + return irq; err = devm_request_irq(pfdev->dev, irq, panfrost_gpu_irq_handler, IRQF_SHARED, KBUILD_MODNAME "-gpu", pfdev); diff --git a/drivers/gpu/drm/panfrost/panfrost_job.c b/drivers/gpu/drm/panfrost/panfrost_job.c index dbc597ab46fb..3322b3024937 100644 --- a/drivers/gpu/drm/panfrost/panfrost_job.c +++ b/drivers/gpu/drm/panfrost/panfrost_job.c @@ -794,8 +794,8 @@ int panfrost_job_init(struct panfrost_device *pfdev) spin_lock_init(&js->job_lock); js->irq = platform_get_irq_byname(to_platform_device(pfdev->dev), "job"); - if (js->irq <= 0) - return -ENODEV; + if (js->irq < 0) + return js->irq; ret = devm_request_threaded_irq(pfdev->dev, js->irq, panfrost_job_irq_handler, diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c b/drivers/gpu/drm/panfrost/panfrost_mmu.c index c0123d09f699..d54d4e7b2195 100644 --- a/drivers/gpu/drm/panfrost/panfrost_mmu.c +++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c @@ -755,8 +755,8 @@ int panfrost_mmu_init(struct panfrost_device *pfdev) int err, irq; irq = platform_get_irq_byname(to_platform_device(pfdev->dev), "mmu"); - if (irq <= 0) - return -ENODEV; + if (irq < 0) + return irq; err = devm_request_threaded_irq(pfdev->dev, irq, panfrost_mmu_irq_handler, From patchwork Thu Aug 3 04:04:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 13339224 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 2CBF6C001DF for ; Thu, 3 Aug 2023 04:04:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7692310E594; Thu, 3 Aug 2023 04:04:43 +0000 (UTC) Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by gabe.freedesktop.org (Postfix) with ESMTPS id EF95610E592 for ; Thu, 3 Aug 2023 04:04:40 +0000 (UTC) Received: from kwepemi500008.china.huawei.com (unknown [172.30.72.57]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4RGZvq0m7nz1GDS1; Thu, 3 Aug 2023 12:03:35 +0800 (CST) Received: from huawei.com (10.90.53.73) by kwepemi500008.china.huawei.com (7.221.188.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Thu, 3 Aug 2023 12:04:37 +0800 From: Ruan Jinjie To: , , , , , , , , , , , , Subject: [PATCH -next v2 2/2] drm/mediatek: Do not check for 0 return after calling platform_get_irq() Date: Thu, 3 Aug 2023 12:04:00 +0800 Message-ID: <20230803040401.3067484-3-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230803040401.3067484-1-ruanjinjie@huawei.com> References: <20230803040401.3067484-1-ruanjinjie@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.90.53.73] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To kwepemi500008.china.huawei.com (7.221.188.139) X-CFilter-Loop: Reflected X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ruanjinjie@huawei.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" It is not possible for platform_get_irq() to return 0. Use the return value from platform_get_irq(). Signed-off-by: Ruan Jinjie --- drivers/gpu/drm/mediatek/mtk_dpi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 28bdb1f427ff..641a43ae4e6f 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -1073,8 +1073,8 @@ static int mtk_dpi_probe(struct platform_device *pdev) } dpi->irq = platform_get_irq(pdev, 0); - if (dpi->irq <= 0) - return -EINVAL; + if (dpi->irq < 0) + return dpi->irq; ret = drm_of_find_panel_or_bridge(dev->of_node, 0, 0, NULL, &dpi->next_bridge);