From patchwork Tue Sep 24 18:12:32 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolas Saenz Julienne X-Patchwork-Id: 11159425 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 9F3D114ED for ; Tue, 24 Sep 2019 18:14:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7C1B221655 for ; Tue, 24 Sep 2019 18:14:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2439241AbfIXSMy (ORCPT ); Tue, 24 Sep 2019 14:12:54 -0400 Received: from mx2.suse.de ([195.135.220.15]:43932 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2393831AbfIXSMx (ORCPT ); Tue, 24 Sep 2019 14:12:53 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 3AA7DAEF1; Tue, 24 Sep 2019 18:12:51 +0000 (UTC) From: Nicolas Saenz Julienne To: robh+dt@kernel.org, devicetree@vger.kernel.org, frowand.list@gmail.com, linux-arm-kernel@lists.infradead.org, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, dmaengine@vger.kernel.org, etnaviv@lists.freedesktop.org, dri-devel@lists.freedesktop.org, xen-devel@lists.xenproject.org, linux-tegra@vger.kernel.org, linux-media@vger.kernel.org, linux-pci@vger.kernel.org Cc: mbrugger@suse.com, robin.murphy@arm.com, f.fainelli@gmail.com, james.quinlan@broadcom.com, wahrenst@gmx.net, Nicolas Saenz Julienne Subject: [PATCH 01/11] of: address: clean-up unused variable in of_dma_get_range() Date: Tue, 24 Sep 2019 20:12:32 +0200 Message-Id: <20190924181244.7159-2-nsaenzjulienne@suse.de> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20190924181244.7159-1-nsaenzjulienne@suse.de> References: <20190924181244.7159-1-nsaenzjulienne@suse.de> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org 'len' in of_dma_get_range() is used to check the 'dma-ranges' property length. After the fact, some calculations are run on the variable to be then left unused. Signed-off-by: Nicolas Saenz Julienne --- drivers/of/address.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/of/address.c b/drivers/of/address.c index 978427a9d5e6..0f898756199d 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -922,7 +922,7 @@ int of_dma_get_range(struct device_node *np, u64 *dma_addr, u64 *paddr, u64 *siz { struct device_node *node = of_node_get(np); const __be32 *ranges = NULL; - int len, naddr, nsize, pna; + int naddr, nsize, pna; int ret = 0; u64 dmaaddr; @@ -931,6 +931,7 @@ int of_dma_get_range(struct device_node *np, u64 *dma_addr, u64 *paddr, u64 *siz while (1) { struct device_node *parent; + int len; naddr = of_n_addr_cells(node); nsize = of_n_size_cells(node); @@ -962,8 +963,6 @@ int of_dma_get_range(struct device_node *np, u64 *dma_addr, u64 *paddr, u64 *siz goto out; } - len /= sizeof(u32); - pna = of_n_addr_cells(node); /* dma-ranges format: