From patchwork Mon May 20 11:32:21 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "(Exiting) Baolin Wang" X-Patchwork-Id: 10950939 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5051A933 for ; Mon, 20 May 2019 11:33:16 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3F82F287E5 for ; Mon, 20 May 2019 11:33:16 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3161B287EF; Mon, 20 May 2019 11:33:16 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D3886287E5 for ; Mon, 20 May 2019 11:33:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732997AbfETLdM (ORCPT ); Mon, 20 May 2019 07:33:12 -0400 Received: from mail-pl1-f193.google.com ([209.85.214.193]:42568 "EHLO mail-pl1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729642AbfETLdL (ORCPT ); Mon, 20 May 2019 07:33:11 -0400 Received: by mail-pl1-f193.google.com with SMTP id x15so6592623pln.9 for ; Mon, 20 May 2019 04:33:11 -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=kSx/2bQ8k2nUJmyS2liy45fCcO2iYHSDnrOKKw/RGV4=; b=cPRtb7tQHJTTiLOHkiEpYP+wKGEqufi5OlZI8LAVDn750p0hkPo7BlZXT75VNfp9dR bKCNesFU3UCDsME+gGsOPK0VHvOUsTWH5NPfg+xK8mJwmFd5vbJmaO0EKQMFmNQ+n19H U8mqxoNBif5syGeoUe2lEXsWbDC1YB0BzSBgumFCN8STOyMNeJCtTeNLvgnvh10BAtQu 5J6eaQFuVUuyZhLT2t+Y0NRhAjRTWOVvbNG74UrINXey6BdbxtdfZyTEs6vh0o0X64Ku AulkUGud8AZoQWHpwMC3klVwa3PQ8CDJYu9MkPTAavxbcDPzAhTfuFpg/fcSO03u0aXx CAKg== 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=kSx/2bQ8k2nUJmyS2liy45fCcO2iYHSDnrOKKw/RGV4=; b=hvQQXZ22P+oSCj2X1iBRymgXmRizf16YC+PW8BRCyPyE29U0gUHB9yHBZ9d8DTdjxg UL1nHH52NZL6bOsVNxUofS1306/rSNJeokh5ZVYsYkaupwxKNVOS58QYQ2LAPmP02qTH mZ3n3/hdZbssKB7xsb6HsGtMKLdOMckD0DF0KRAIlTNdaSxs9C20jPMDsQWd7/GNApPJ mvtHxZgisr1BJlKNVt/AXajNJ/DxBZmzYx9hdaoVico2k5+blhJ8YBwD6UWli/waY6og Icd97a/nQIWKVzQ53jsYuMDtYxfJN4fgkxQ9QOmv9/v92R+fFM0iVtgMOOYKIGnMAIMX q21Q== X-Gm-Message-State: APjAAAU2esvbl65J5yqlUgDEeHjLsgjNe95SuGWd1Noul+WsH3nG6zkt rCLt1nMdBmnZGxhwXu5UMykgsw== X-Google-Smtp-Source: APXvYqxhkwURFkAYdOsYEFVXpnFbD8H/TQI0K1REXB9rdjkjQNCy7pJURAn59WPfwElP41gCPmfnxw== X-Received: by 2002:a17:902:18b:: with SMTP id b11mr50155937plb.264.1558351990778; Mon, 20 May 2019 04:33:10 -0700 (PDT) Received: from baolinwangubtpc.spreadtrum.com ([117.18.48.102]) by smtp.gmail.com with ESMTPSA id z124sm21310020pfz.116.2019.05.20.04.33.05 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 20 May 2019 04:33:10 -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 8/8] dmaengine: sh: usb-dmac: Let the core do the device node validation Date: Mon, 20 May 2019 19:32:21 +0800 Message-Id: <0b4418a1891261a6a4f8e8356b68e38f4ed6a1d5.1558351667.git.baolin.wang@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: In-Reply-To: References: Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Let the DMA engine core do the device node validation instead of drivers. Signed-off-by: Baolin Wang --- drivers/dma/sh/usb-dmac.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/dma/sh/usb-dmac.c b/drivers/dma/sh/usb-dmac.c index 59403f6..0afabf3 100644 --- a/drivers/dma/sh/usb-dmac.c +++ b/drivers/dma/sh/usb-dmac.c @@ -636,9 +636,6 @@ static bool usb_dmac_chan_filter(struct dma_chan *chan, void *arg) struct usb_dmac_chan *uchan = to_usb_dmac_chan(chan); struct of_phandle_args *dma_spec = arg; - if (dma_spec->np != chan->device->dev->of_node) - return false; - /* USB-DMAC should be used with fixed usb controller's FIFO */ if (uchan->index != dma_spec->args[0]) return false; @@ -659,7 +656,8 @@ static struct dma_chan *usb_dmac_of_xlate(struct of_phandle_args *dma_spec, dma_cap_zero(mask); dma_cap_set(DMA_SLAVE, mask); - chan = dma_request_channel(mask, usb_dmac_chan_filter, dma_spec); + chan = __dma_request_channel(&mask, usb_dmac_chan_filter, dma_spec, + ofdma->of_node); if (!chan) return NULL;