From patchwork Thu Aug 3 03:16:21 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 13339199 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 67883C04E69 for ; Thu, 3 Aug 2023 03:17:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version: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=yTrI5GxD97wIRgrvA4sbjXDqlqKTvsltROnuatvm3F0=; b=kua8MewhxAbr50ucCAum8Ip8gN uQKZq2nSDpWFoGlw9dqPP0KLP3F0gJVqWF8BrMP7CDTaqvAOFH1mXzRkadbbdNEt6nWfBcxW+a0An 0hVr1N8U3NXM5CFhTc8Wy87YmUl+NoY5FGH1acNn9OX9CdXPJ54IB2v3zFuxQDLaDEAYkr7bOid6y WGu7MnlDLJEs069hsQZFrnO/Es6YvjnDIzaeCfJSXMUNcStKTEUdzFMBeilbSlYEZVRAjKvlSovgY zgOIYGD3Tilhlu7QXGBMI5H6okbhitUjqbOvwEkd1AkwlpcCr/gY2/zRO1Ael31DkmLwBnLURyOb/ 3oxEkmdg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qROpq-006XA7-28; Thu, 03 Aug 2023 03:17:10 +0000 Received: from szxga02-in.huawei.com ([45.249.212.188]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qROpl-006X72-25; Thu, 03 Aug 2023 03:17:07 +0000 Received: from kwepemi500008.china.huawei.com (unknown [172.30.72.57]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4RGYr21KtzzVjxk; Thu, 3 Aug 2023 11:15:14 +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 11:16:59 +0800 From: Ruan Jinjie To: , , , , , , , , , , , , CC: Subject: [PATCH -next 1/2] drm/panfrost: Do not check for 0 return after calling platform_get_irq_byname() Date: Thu, 3 Aug 2023 11:16:21 +0800 Message-ID: <20230803031622.3023868-2-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230803031622.3023868-1-ruanjinjie@huawei.com> References: <20230803031622.3023868-1-ruanjinjie@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.90.53.73] X-ClientProxiedBy: dggems703-chm.china.huawei.com (10.3.19.180) To kwepemi500008.china.huawei.com (7.221.188.139) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230802_201705_850503_94A829DB X-CRM114-Status: GOOD ( 10.47 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org 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 --- 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,