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);