From patchwork Mon Mar 13 17:02:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jisheng Zhang X-Patchwork-Id: 13172996 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C7B10C7618D for ; Mon, 13 Mar 2023 17:15:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229635AbjCMRPY (ORCPT ); Mon, 13 Mar 2023 13:15:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36006 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231599AbjCMRPB (ORCPT ); Mon, 13 Mar 2023 13:15:01 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2DC055C12F; Mon, 13 Mar 2023 10:14:39 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 4ABE5B811AF; Mon, 13 Mar 2023 17:13:40 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C3434C433EF; Mon, 13 Mar 2023 17:13:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1678727618; bh=VQQHMfQI08CHIqPPov+coidO2k506v2YpxzAR1Asbws=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=B5XUSLN6KCOalBeoQw2MdjMOVgKbJeN2gZW04b1yMzFXknpV6v3wo1qM6LeWEfupG XBSJS3/Y1RzE8GYJyimlbLmEOQRcT0G8xtGywFU1ybi7pPVp5vypPiiKMu0YaIwo75 afPLg7DdMVXPmHbGczTNtX9fcBVCJT6k9lFFevYhqMUkmCCU0TMeSiQZAgBhd4hU+g 0cA++XBHRqtQqvlvQIcYJX6kB7EOG2cfASrcF/Sa1Z2B+r43fX8pxpZTrXvzYxkFCX TcrvLcbMc76zGn/b+CakmtgaKqWS5Hk2PHS+SctCckSsp4LPkhf45oPL8jF3ZDkqrH YfDGJlHmnv5AQ== From: Jisheng Zhang To: Lars-Peter Clausen , Vinod Koul , Eugeniy Paltsev , Logan Gunthorpe , Sinan Kaya , Andy Gross , Bjorn Andersson , Konrad Dybcio , Orson Zhai , Baolin Wang , Chunyan Zhang Cc: dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org Subject: [PATCH 1/5] dmaengine: dw-axi-dmac: Don't set chancnt Date: Tue, 14 Mar 2023 01:02:46 +0800 Message-Id: <20230313170250.815-2-jszhang@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313170250.815-1-jszhang@kernel.org> References: <20230313170250.815-1-jszhang@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The dma framework will calculate the dma channels chancnt, setting it outself is wrong. Signed-off-by: Jisheng Zhang --- drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c index 4169e1d7d5ca..7f3a60e28e38 100644 --- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c +++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c @@ -1445,7 +1445,6 @@ static int dw_probe(struct platform_device *pdev) dma_cap_set(DMA_CYCLIC, dw->dma.cap_mask); /* DMA capabilities */ - dw->dma.chancnt = hdata->nr_channels; dw->dma.max_burst = hdata->axi_rw_burst_len; dw->dma.src_addr_widths = AXI_DMA_BUSWIDTHS; dw->dma.dst_addr_widths = AXI_DMA_BUSWIDTHS; From patchwork Mon Mar 13 17:02:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jisheng Zhang X-Patchwork-Id: 13172998 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5CA85C61DA4 for ; Mon, 13 Mar 2023 17:15:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231310AbjCMRP4 (ORCPT ); Mon, 13 Mar 2023 13:15:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37356 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231311AbjCMRPl (ORCPT ); Mon, 13 Mar 2023 13:15:41 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 84B091B2DB; Mon, 13 Mar 2023 10:15:11 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 1BFD961381; Mon, 13 Mar 2023 17:13:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5D613C433A1; Mon, 13 Mar 2023 17:13:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1678727622; bh=+THSfPIwklUUC80eud55EQMNToM9c5KqOlS32WoC2XM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qTOal6KEg0SZVhRbX2h2CEBDzRGBr32VzO+RBaVn1hEGQzAM4zdovWfmhZyejwSHN AJ+VvrD7VN5fr/rrtHU1E+KDt8Jcow0fge06jycv1hJTscQcJyr7INs2UmOBhdmwTb 414DupFCmMvpm3lAhGnbmEqM2W/bL1MQnqHt1J8mRjpBije3IMDBN0OZOmBr19iTg/ HnkT9mnarEL3YWzew22rp48cAsdYlGSzuUxZnf5Xd67fL5bBrbMfgWmsFIeEt8GGXe kuhVYiFRaUf4Ir8CB8H1S+SDGvR+kZbVcQNjlmJ9VJLoYp+dt/TxLpe120yB39YdPx WJBIaHv3hxzzg== From: Jisheng Zhang To: Lars-Peter Clausen , Vinod Koul , Eugeniy Paltsev , Logan Gunthorpe , Sinan Kaya , Andy Gross , Bjorn Andersson , Konrad Dybcio , Orson Zhai , Baolin Wang , Chunyan Zhang Cc: dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org Subject: [PATCH 2/5] dmaengine: axi-dmac: Don't set chancnt Date: Tue, 14 Mar 2023 01:02:47 +0800 Message-Id: <20230313170250.815-3-jszhang@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313170250.815-1-jszhang@kernel.org> References: <20230313170250.815-1-jszhang@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The dma framework will calculate the dma channels chancnt, setting it outself is wrong. Signed-off-by: Jisheng Zhang Acked-by: Lars-Peter Clausen --- drivers/dma/dma-axi-dmac.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/dma/dma-axi-dmac.c b/drivers/dma/dma-axi-dmac.c index a812b9b00e6b..fc7cdad37161 100644 --- a/drivers/dma/dma-axi-dmac.c +++ b/drivers/dma/dma-axi-dmac.c @@ -963,7 +963,6 @@ static int axi_dmac_probe(struct platform_device *pdev) dma_dev->device_terminate_all = axi_dmac_terminate_all; dma_dev->device_synchronize = axi_dmac_synchronize; dma_dev->dev = &pdev->dev; - dma_dev->chancnt = 1; dma_dev->src_addr_widths = BIT(dmac->chan.src_width); dma_dev->dst_addr_widths = BIT(dmac->chan.dest_width); dma_dev->directions = BIT(dmac->chan.direction); From patchwork Mon Mar 13 17:02:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jisheng Zhang X-Patchwork-Id: 13172994 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 811BDC6FD19 for ; Mon, 13 Mar 2023 17:15:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230083AbjCMRPW (ORCPT ); Mon, 13 Mar 2023 13:15:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36272 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231657AbjCMRPL (ORCPT ); Mon, 13 Mar 2023 13:15:11 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EB918D536; Mon, 13 Mar 2023 10:14:47 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 6807BB811A9; Mon, 13 Mar 2023 17:13:47 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 01845C433A4; Mon, 13 Mar 2023 17:13:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1678727626; bh=MmQlG4bKX5zRhls8Ppg0KYbzYJ0yCTbRflxLRO/KTAQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MaxyiQm3zr++CxlIZQvcW00rgAI+9VUp45EuH39mSHwSJYNEN3erATeQQBmRAbDu4 cVAF7BjY731YkBIC0veCIoGxOy9TjxXtXygU7Dtk1Npl5Ayu4xhUdiBEKdLfSqk3+2 /E6GI7kiVSyhBBujStix0sb6kdj4ecpiaU0exXy4zUVucXDiEkeLdWhTIrM2khMzH8 tBP5VPdrF1QADqGTs7xKRL+lHSi3t0mdSNDibe6Uhs1lXcCeFYczD95hqoZExkOYNQ r/Tp1Ch88FT7gUE24U8Ajn7vz22H4nQj2DP1/9hZHty6kAixtFz8/BcoGKZ85yRAdW oKxHJ7Gc7jy2Q== From: Jisheng Zhang To: Lars-Peter Clausen , Vinod Koul , Eugeniy Paltsev , Logan Gunthorpe , Sinan Kaya , Andy Gross , Bjorn Andersson , Konrad Dybcio , Orson Zhai , Baolin Wang , Chunyan Zhang Cc: dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org Subject: [PATCH 3/5] dmaengine: plx_dma: Don't set chancnt Date: Tue, 14 Mar 2023 01:02:48 +0800 Message-Id: <20230313170250.815-4-jszhang@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313170250.815-1-jszhang@kernel.org> References: <20230313170250.815-1-jszhang@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The dma framework will calculate the dma channels chancnt, setting it outself is wrong. Signed-off-by: Jisheng Zhang --- drivers/dma/plx_dma.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/dma/plx_dma.c b/drivers/dma/plx_dma.c index 12725fa1655f..34b6416c3287 100644 --- a/drivers/dma/plx_dma.c +++ b/drivers/dma/plx_dma.c @@ -517,7 +517,6 @@ static int plx_dma_create(struct pci_dev *pdev) plxdev->bar = pcim_iomap_table(pdev)[0]; dma = &plxdev->dma_dev; - dma->chancnt = 1; INIT_LIST_HEAD(&dma->channels); dma_cap_set(DMA_MEMCPY, dma->cap_mask); dma->copy_align = DMAENGINE_ALIGN_1_BYTE; From patchwork Mon Mar 13 17:02:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jisheng Zhang X-Patchwork-Id: 13173012 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C64ABC6FD19 for ; Mon, 13 Mar 2023 17:24:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230224AbjCMRYK (ORCPT ); Mon, 13 Mar 2023 13:24:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53472 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230263AbjCMRXw (ORCPT ); Mon, 13 Mar 2023 13:23:52 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C3ED63ABE; Mon, 13 Mar 2023 10:22:57 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 6E53261414; Mon, 13 Mar 2023 17:13:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A5BCCC4339B; Mon, 13 Mar 2023 17:13:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1678727629; bh=sheGLWSRVeZHY8o45gICU781ZznV4t/ae6HtpWxBx6U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qf/UOe9YjBj6REsfrKde/wD39EkAWcypvQ3WAqT+0+FFqQ6Ffgx0TPeqPLDgy5NLe Vd0wn75BEOm3xW7xNHHJPZ/ZWX89ofjbTLlxFia0uvDGFDhl6DBdazT4iTCrwxJomQ Wew47qEoGgxKmOtPj4JGSHmIjz6GAMU5PG+E6LV4BqbZwCw2iR4Z0jtVL2XRCoVx37 je9F07HOoMrM8tI9Zvkc4sQOluGXL6M7MFWWb2JrMDbNxPEY8CmKwP0LbRv2JI8SGb jnN7zAE6TN0h1scWNriCZuy7jEz8ZB8ei+E4uDzu3K3gWhBE5NQ/Ra89Eg/gnpBjZn T1JWesBbzPsEQ== From: Jisheng Zhang To: Lars-Peter Clausen , Vinod Koul , Eugeniy Paltsev , Logan Gunthorpe , Sinan Kaya , Andy Gross , Bjorn Andersson , Konrad Dybcio , Orson Zhai , Baolin Wang , Chunyan Zhang Cc: dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org Subject: [PATCH 4/5] dmaengine: hidma: Don't set chancnt Date: Tue, 14 Mar 2023 01:02:49 +0800 Message-Id: <20230313170250.815-5-jszhang@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313170250.815-1-jszhang@kernel.org> References: <20230313170250.815-1-jszhang@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The dma framework will calculate the dma channels chancnt, setting it outself is wrong. Signed-off-by: Jisheng Zhang --- drivers/dma/qcom/hidma.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/dma/qcom/hidma.c b/drivers/dma/qcom/hidma.c index 04d1c33afc12..344525c3a32f 100644 --- a/drivers/dma/qcom/hidma.c +++ b/drivers/dma/qcom/hidma.c @@ -214,7 +214,6 @@ static int hidma_chan_init(struct hidma_dev *dmadev, u32 dma_sig) spin_lock_init(&mchan->lock); list_add_tail(&mchan->chan.device_node, &ddev->channels); - dmadev->ddev.chancnt++; return 0; } From patchwork Mon Mar 13 17:02:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jisheng Zhang X-Patchwork-Id: 13172997 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9A68DC6FD19 for ; Mon, 13 Mar 2023 17:15:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230355AbjCMRP0 (ORCPT ); Mon, 13 Mar 2023 13:15:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36640 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230200AbjCMRPX (ORCPT ); Mon, 13 Mar 2023 13:15:23 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C865977E1F; Mon, 13 Mar 2023 10:14:56 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id B0D0FB810D8; Mon, 13 Mar 2023 17:13:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4F7D2C433A4; Mon, 13 Mar 2023 17:13:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1678727633; bh=waygJoMsmEuzShbrfLKTmYsjXJJABs/ZjxmcAXxJrFo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MzHKXiczApY5CW+k510wfPoijOe94MAfIi9QUFi6zkEn4hI/btbZ9sLGreVlnKLeR bcpn7r6Kbv1A15fq6RMXqCj57/YTzz1VxBTzjijTyos35t5U4w2C3Hfe0CKPZxB5K4 IdRpfyr0xXHVSbQpqvMCLcMtQ8NFC/FLXCNK0PJkqeyybsMU7nOa0ibkMtJMOrLILJ 4rd+3N8Y2i196SbGbk/+aXTt003pva4/qKcLDo9FKe1GGvV48IS8yz23oY/JZLcDu2 A5NglNk2j5ouel+0hhQBzTq3AdpdF14O09x0v72BqY2pNuTklScLo/DhHHemSSAr15 kaAULm8lzRayQ== From: Jisheng Zhang To: Lars-Peter Clausen , Vinod Koul , Eugeniy Paltsev , Logan Gunthorpe , Sinan Kaya , Andy Gross , Bjorn Andersson , Konrad Dybcio , Orson Zhai , Baolin Wang , Chunyan Zhang Cc: dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org Subject: [PATCH 5/5] dmaengine: sprd: Don't set chancnt Date: Tue, 14 Mar 2023 01:02:50 +0800 Message-Id: <20230313170250.815-6-jszhang@kernel.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230313170250.815-1-jszhang@kernel.org> References: <20230313170250.815-1-jszhang@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The dma framework will calculate the dma channels chancnt, setting it outself is wrong. Signed-off-by: Jisheng Zhang Reviewed-by: Baolin Wang --- drivers/dma/sprd-dma.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/dma/sprd-dma.c b/drivers/dma/sprd-dma.c index 474d3ba8ec9f..2b639adb48ba 100644 --- a/drivers/dma/sprd-dma.c +++ b/drivers/dma/sprd-dma.c @@ -1169,7 +1169,6 @@ static int sprd_dma_probe(struct platform_device *pdev) dma_cap_set(DMA_MEMCPY, sdev->dma_dev.cap_mask); sdev->total_chns = chn_count; - sdev->dma_dev.chancnt = chn_count; INIT_LIST_HEAD(&sdev->dma_dev.channels); INIT_LIST_HEAD(&sdev->dma_dev.global_node); sdev->dma_dev.dev = &pdev->dev;