From patchwork Mon May 20 11:32:20 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baolin Wang X-Patchwork-Id: 1101948 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) 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=linaro.org Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.b="kGzjAWx0"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 456xbd1SgDz9sDn for ; Mon, 20 May 2019 21:33:17 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732975AbfETLdG (ORCPT ); Mon, 20 May 2019 07:33:06 -0400 Received: from mail-pg1-f195.google.com ([209.85.215.195]:44269 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731142AbfETLdG (ORCPT ); Mon, 20 May 2019 07:33:06 -0400 Received: by mail-pg1-f195.google.com with SMTP id z16so6659535pgv.11 for ; Mon, 20 May 2019 04:33:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :in-reply-to:references; bh=S4gzzO6EwH6f41hdnpuqebXlIsK5G8TT4DFszJQHgV0=; b=kGzjAWx09b8i614qTj93eApuhAYdKFfSCQb0+hZtpocLm2MSIaH0rF9+HiZf0A+vcj DFTljdFN5pWcPxuYfUOJ68tQFKj30ZgtibGH2S3BXHbVCKNLZZhwrhp/XsRkXdFInukP Xjk9fWaCFqZJ8jZcXhR3aezzU8FJfnpD/f2ytgb8QX23t5dF/R+yuoTqXH0C0ZF9DjXK kK/Z6PNz6xn9BbWuEogWU+jIyoiUOisWLQVu90JBLpFdeKSeAFeaYkcaW1tllFwwnKdZ nJfsJF6cAcVhHJ/woNRx2z15cQYdmwdMhtceda3QpfeXnUfr/bh84yM2S2fBpXB8Pd1R Y6ZQ== 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:in-reply-to:references; bh=S4gzzO6EwH6f41hdnpuqebXlIsK5G8TT4DFszJQHgV0=; b=NAHrKtYdOuu6DlqNhBVkEtWhZy9FZvPOFf64lbmFsb5R4YA02+91mON+3QDRcWMjVD rpbbZxY9lS9YHzGfg02AplwXTiiDtkA49YV4oev3EUFF80+whO3zIyTxAFCwalc8onKV VlBk1HaNFYw7HfFjAgDFDEFWPB7bubhjGI6wFn7fp4EsAQAoSmejum6FSdmAyjKgqbZq d7gX9D0khz5SarzjOrLDe0PBfc7D5ZGodz3BalDd0hr1CJ8CtwqhKta5e8rDfWZFNUJK 8qit4jz+StIYlfTtsA4s7Nc01i60lxnrNRujmQwLAJTrcHILch5i8JY5Lkp6UwoHWt+H GUBQ== X-Gm-Message-State: APjAAAWoWW1NgdP3BcxVW9zjRf0JHqbC1a+SXuXBleQilN2KXJmTMUOY 35a9ERfSKtRsTYIjD1FLkoTspA== X-Google-Smtp-Source: APXvYqz1+ao7UVqG40GQmasG5WxCT+39UIx+E5Jw485BRv+ugxfxElvHdFQ11VJd43Wx3nTx7nGipA== X-Received: by 2002:a63:6cc5:: with SMTP id h188mr13909311pgc.105.1558351985496; Mon, 20 May 2019 04:33:05 -0700 (PDT) Received: from baolinwangubtpc.spreadtrum.com ([117.18.48.102]) by smtp.gmail.com with ESMTPSA id z124sm21310020pfz.116.2019.05.20.04.33.00 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 20 May 2019 04:33:05 -0700 (PDT) From: Baolin Wang To: dan.j.williams@intel.com, vkoul@kernel.org Cc: thierry.reding@gmail.com, jonathanh@nvidia.com, linux-tegra@vger.kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, wsa+renesas@sang-engineering.com, jroedel@suse.de, vincent.guittot@linaro.org, baolin.wang@linaro.org, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 7/8] dmaengine: sh: rcar-dmac: Let the core do the device node validation Date: Mon, 20 May 2019 19:32:20 +0800 Message-Id: <6e544656cea22f93bdb2626620b381b00d1b38bf.1558351667.git.baolin.wang@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: In-Reply-To: References: Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org Let the DMA engine core do the device node validation instead of drivers. Signed-off-by: Baolin Wang --- drivers/dma/sh/rcar-dmac.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c index 33ab1b6..67df54a 100644 --- a/drivers/dma/sh/rcar-dmac.c +++ b/drivers/dma/sh/rcar-dmac.c @@ -1654,8 +1654,7 @@ static bool rcar_dmac_chan_filter(struct dma_chan *chan, void *arg) * Forcing it to call dma_request_channel() and iterate through all * channels from all controllers is just pointless. */ - if (chan->device->device_config != rcar_dmac_device_config || - dma_spec->np != chan->device->dev->of_node) + if (chan->device->device_config != rcar_dmac_device_config) return false; return !test_and_set_bit(dma_spec->args[0], dmac->modules); @@ -1675,7 +1674,8 @@ static struct dma_chan *rcar_dmac_of_xlate(struct of_phandle_args *dma_spec, dma_cap_zero(mask); dma_cap_set(DMA_SLAVE, mask); - chan = dma_request_channel(mask, rcar_dmac_chan_filter, dma_spec); + chan = __dma_request_channel(&mask, rcar_dmac_chan_filter, dma_spec, + ofdma->of_node); if (!chan) return NULL;