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 X-Patchwork-Id: 12709328 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 2BEB1C433EF for ; Tue, 11 Jan 2022 00:26:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id: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=Xweplca6/WeRhP35LMYnaJVic6vknSkm5rG7/H+qlMg=; b=D2nT4gL5UydnkF UvWbUeJbomM8JV62KmVhOx7SjCjseBx2UTMtlmP4U8LvA56a0JSqNRgV9jA0HUDkOA62cIoZL6/O2 fgRtS6YVQ5qm0ZvAu/4Cp5BpAcCMryD9Unu9UHxw26Y6/j6GIWzG65drRRlQP3xCqwGAYtEH7+LRA RB8hs38z8wdrAR+HMQHHJBMr3V3DOpemIY+gzqP0PZ77YWsSoQYH5azwu/KCifoft2N6tX6HM4yBA AAOny5KWineeYZPjW2VwusiwZNBQL3SorNbRkelfVCdE2FYRj3t0/WTRIhAFkETFLQu9nOe/WZM9f OuvVIxzZOtRiEW1ryqgQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n74y3-00E4kO-Qd; Tue, 11 Jan 2022 00:24:51 +0000 Received: from relmlor1.renesas.com ([210.160.252.171] helo=relmlie5.idc.renesas.com) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n74xE-00E4MJ-JY; Tue, 11 Jan 2022 00:24:01 +0000 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> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220110_162400_785644_2E6CC983 X-CRM114-Status: GOOD ( 12.23 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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) {