From patchwork Tue May 7 06:09:45 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baolin Wang X-Patchwork-Id: 1096157 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="S9Cy/p1G"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 44yq3b0xQ7z9sCJ for ; Tue, 7 May 2019 16:10:51 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727125AbfEGGKu (ORCPT ); Tue, 7 May 2019 02:10:50 -0400 Received: from mail-pf1-f196.google.com ([209.85.210.196]:44201 "EHLO mail-pf1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727002AbfEGGKt (ORCPT ); Tue, 7 May 2019 02:10:49 -0400 Received: by mail-pf1-f196.google.com with SMTP id y13so8068701pfm.11 for ; Mon, 06 May 2019 23:10:49 -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=S9Cy/p1GeoEOtS8YQZgB0lYyFi1dHKS/HGpgplRm+Jl+6OwdRLa3AqzF/D5EUzwLum 6hKH5eF/hHqGo6nqyFFDunpeoF4PfUOZ4/3aiB1lh7Zg+TO0UrCiOOaD7NClpHGZAiY0 TW96Fv/P4Z05tGlR7xVhb505XEaI4omMP478SFFOL/CUS/3EEQurGtDg+8HfcBpLYr8W Sk+/f/aBON9i+QLuBzR1USCQJWELEUjdKzeNLt2a/DSVGTvrqPvpmw3vwNaYio7Muj4g 1s+6KN1usY/566XMORgT84favpF5luB63k/rnOCSRzVpCQhtbAJPLNl4Coh1vz8pOguZ +IIw== 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=oxlvC628r7gMgyAAufDHfgzVx/wBlNwZxarIjxM/v/Rdg73VlpPpX0Hfk/fhYU8Gm/ m8KqLFExNsMOJFKr7h0YLTHigLA2dQlnNh/WbWn9wXD1ehimTK7e56Rs/Z/vtPwomV7U eYLEd1Jefs+XhAOwVJA2ut9OabNug2FMSTXJ2954rL6sRV0wpcjRGw83z/aidLWDL7kp sUPAu5wzGu6iO0UyU5UcA6KezYssHETEZSS7J+5f6PtdClFZVGzm9btjGNqrSNmSOEQT J+yTu2EJ51NSKDwQEqiW9aPQVD7xJjBbKXNnOG0V3W0utTAx9fFZzhCN/qQM3un0wBmK XgPg== X-Gm-Message-State: APjAAAXsf+L3iQQKJ9FiBt2A+L+T2ewmaZ76ddvmlEmYY3Wng8GMtmR5 bxiYJYoaRVM2Mty1ZyQOGoXuNQ== X-Google-Smtp-Source: APXvYqzZDYlq7eyLwOtGEhDSsOmFAWA99COPckp4Min5Ajit5tRyKl66VcQ9loYKdX1dxZ/egVqG6g== X-Received: by 2002:a63:1706:: with SMTP id x6mr4603838pgl.280.1557209449086; Mon, 06 May 2019 23:10:49 -0700 (PDT) Received: from baolinwangubtpc.spreadtrum.com ([117.18.48.102]) by smtp.gmail.com with ESMTPSA id e184sm30786325pfc.102.2019.05.06.23.10.43 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 06 May 2019 23:10:48 -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, Zubair.Kakakhel@imgtec.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 8/8] dmaengine: sh: usb-dmac: Let the core do the device node validation Date: Tue, 7 May 2019 14:09:45 +0800 Message-Id: <6dc4f90df68276e6c21f7e0087b91e95b153f85f.1557206859.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/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;