From patchwork Tue Jan 11 00:23:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar Mahadev Lad X-Patchwork-Id: 531319 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 57B2EC433F5 for ; Tue, 11 Jan 2022 00:24:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345978AbiAKAYk (ORCPT ); Mon, 10 Jan 2022 19:24:40 -0500 Received: from relmlor1.renesas.com ([210.160.252.171]:52994 "EHLO relmlie5.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1345992AbiAKAYB (ORCPT ); Mon, 10 Jan 2022 19:24:01 -0500 X-IronPort-AV: E=Sophos;i="5.88,278,1635174000"; d="scan'208";a="106050200" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 11 Jan 2022 09:24:00 +0900 Received: from localhost.localdomain (unknown [10.226.36.204]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 3B9F74157D12; Tue, 11 Jan 2022 09:23:57 +0900 (JST) From: Lad Prabhakar To: linux-media@vger.kernel.org, Mauro Carvalho Chehab , Hans Verkuil , Minghsiu Tsai , Houlong Wei , Andrew-CT Chen , Tiffany Lin , Matthias Brugger Cc: Rob Herring , Andy Shevchenko , Prabhakar , Lad Prabhakar , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 12/13] media: mtk-vpu: Drop unnecessary call to platform_get_resource() Date: Tue, 11 Jan 2022 00:23:13 +0000 Message-Id: <20220111002314.15213-13-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> Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org mtk_vpu_probe() calls platform_get_resource(pdev, IORESOURCE_IRQ, ..) to check if IRQ resource exists and later calls platform_get_irq(pdev, ..) to get the actual IRQ. This patch drops an unnecessary call to platform_get_resource() and checks the return value of platform_get_irq(pdev, ..) to make sure the IRQ line is valid. Signed-off-by: Lad Prabhakar --- v1->v2 * No change. --- drivers/media/platform/mtk-vpu/mtk_vpu.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/media/platform/mtk-vpu/mtk_vpu.c b/drivers/media/platform/mtk-vpu/mtk_vpu.c index 7bd715fc844d..47b684b92f81 100644 --- a/drivers/media/platform/mtk-vpu/mtk_vpu.c +++ b/drivers/media/platform/mtk-vpu/mtk_vpu.c @@ -810,7 +810,6 @@ static int mtk_vpu_probe(struct platform_device *pdev) { struct mtk_vpu *vpu; struct device *dev; - struct resource *res; int ret = 0; dev_dbg(&pdev->dev, "initialization\n"); @@ -908,13 +907,10 @@ static int mtk_vpu_probe(struct platform_device *pdev) init_waitqueue_head(&vpu->run.wq); init_waitqueue_head(&vpu->ack_wq); - res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!res) { - dev_err(dev, "get IRQ resource failed.\n"); - ret = -ENXIO; + ret = platform_get_irq(pdev, 0); + if (ret < 0) goto free_p_mem; - } - vpu->reg.irq = platform_get_irq(pdev, 0); + vpu->reg.irq = ret; ret = devm_request_irq(dev, vpu->reg.irq, vpu_irq_handler, 0, pdev->name, vpu); if (ret) {