From patchwork Sun Feb 2 22:28:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 1232514 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-tegra-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=EtlSw4Vz; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 489lz655ccz9sSL for ; Mon, 3 Feb 2020 09:30:42 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727378AbgBBWah (ORCPT ); Sun, 2 Feb 2020 17:30:37 -0500 Received: from mail-lf1-f68.google.com ([209.85.167.68]:33013 "EHLO mail-lf1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727205AbgBBWaB (ORCPT ); Sun, 2 Feb 2020 17:30:01 -0500 Received: by mail-lf1-f68.google.com with SMTP id n25so8399948lfl.0; Sun, 02 Feb 2020 14:29:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=H3P3Xm7krLErQ+kdYVou7oYRT/1iV81misjOxlroqdY=; b=EtlSw4Vzb963Z4sdrr9Hjxky46zygzXDvQ2t0LrlIyBwf0g41aHb4DlU0KdSxVss5T SdS83D67zbFEp51h/SCC4KMI+EPh3AnDgK6JvRCY9UnNlqdUn4ZVAd6IKaYa7MTYRh94 6Zt/aMt6uzqFkfzoolew5Yc6rqUT/++D+qHIhdAjhWi952Q0aC28YR/LozAT1To1vbCH 6jBQ7pdCYOjAWivgJe0fXVCX/lpTToxmjKjJFMZEhOmFkNN2PLx0qQZ2xUDg2wztjsDA kTD5n/fwbOfiW4/RdtwM03jpH3pKhG5W8xURuu6vEOi+ZtUe/PYdIVPJQOqzdSs29s+G G08w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=H3P3Xm7krLErQ+kdYVou7oYRT/1iV81misjOxlroqdY=; b=sNlvwXD2PWUoFHXuQRBTmQett/qnfEl4Hkso+R231sSBbhocxIDCCDhlfjbA5Yh35S by5RcnD4X/ocYajTF5l4Lx/cU+LTr4hXP070XjTfPCnD+Ypr93ZXU+FE1eP/8OGDQ9YX mNobYH195UrzzrhAr9uvIhrG5SzPmTO5FPoYt+XewKp+DxBCppJxhitScAwJ8RCfgfHv R3d5gnCwj5R1r7aeJnpXr8MQi5kwB3VFZnVNyqc9JOam1xPgjQ+azD7kWxW0Vc/yHclK 44isonIASiFCrRuKDNbn1+CZVVm2x1taX4Q5jXZjbIUXqJV5FhUf3urjekTdbYdUNJUi M+8w== X-Gm-Message-State: APjAAAUASzfxce1mIpOaQbYQfZBQfqx+u1kso2MMumq0zyKN5fynbmgW P6x+o2dtq4VubJvm967GEDM= X-Google-Smtp-Source: APXvYqy+YsqJZmFYyGEAwrGxPgGHTJEZ/x1eVS0e32A9zDmwBx/2UxeTG0j5uv5QMwMN3vJmyqP1RQ== X-Received: by 2002:a19:9d0:: with SMTP id 199mr10596002lfj.110.1580682599120; Sun, 02 Feb 2020 14:29:59 -0800 (PST) Received: from localhost.localdomain (79-139-233-37.dynamic.spd-mgts.ru. [79.139.233.37]) by smtp.gmail.com with ESMTPSA id b190sm8050307lfd.39.2020.02.02.14.29.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 02 Feb 2020 14:29:58 -0800 (PST) From: Dmitry Osipenko To: Laxman Dewangan , Vinod Koul , Dan Williams , Thierry Reding , Jonathan Hunter , =?utf-8?b?TWljaGHFgiBNaXJvc8WC?= =?utf-8?q?aw?= Cc: dmaengine@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v7 11/19] dmaengine: tegra-apb: Remove pending_sg_req checking from tdc_start_head_req Date: Mon, 3 Feb 2020 01:28:46 +0300 Message-Id: <20200202222854.18409-12-digetx@gmail.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20200202222854.18409-1-digetx@gmail.com> References: <20200202222854.18409-1-digetx@gmail.com> MIME-Version: 1.0 Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org There are only two places in the driver that use tdc_start_head_req() and both these places check whether pending_sg_req list is empty before invoking tdc_start_head_req(). Signed-off-by: Dmitry Osipenko Acked-by: Jon Hunter --- drivers/dma/tegra20-apb-dma.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c index 22b88ccff05d..62d181bd5e62 100644 --- a/drivers/dma/tegra20-apb-dma.c +++ b/drivers/dma/tegra20-apb-dma.c @@ -504,9 +504,6 @@ static void tdc_start_head_req(struct tegra_dma_channel *tdc) { struct tegra_dma_sg_req *sg_req; - if (list_empty(&tdc->pending_sg_req)) - return; - sg_req = list_first_entry(&tdc->pending_sg_req, typeof(*sg_req), node); tegra_dma_start(tdc, sg_req); sg_req->configured = true;