From patchwork Tue Jul 14 18:35:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 11664313 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 28AF213A4 for ; Wed, 15 Jul 2020 07:00:13 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0F3CE206E9 for ; Wed, 15 Jul 2020 07:00:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0F3CE206E9 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=wanadoo.fr Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B90886E439; Wed, 15 Jul 2020 06:59:56 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from smtp.smtpout.orange.fr (smtp01.smtpout.orange.fr [80.12.242.123]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5D74A6E5A4 for ; Tue, 14 Jul 2020 18:35:34 +0000 (UTC) Received: from localhost.localdomain ([93.23.14.36]) by mwinf5d77 with ME id 36bS2300P0mgUh1036bTVi; Tue, 14 Jul 2020 20:35:32 +0200 X-ME-Helo: localhost.localdomain X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Tue, 14 Jul 2020 20:35:32 +0200 X-ME-IP: 93.23.14.36 From: Christophe JAILLET To: sumit.semwal@linaro.org, davem@davemloft.net, kuba@kernel.org, christian.koenig@amd.com, mhabets@solarflare.com, jwi@linux.ibm.com, zhongjiang@huawei.com, weiyongjun1@huawei.com, vaibhavgupta40@gmail.com Subject: [PATCH] ksz884x: switch from 'pci_' to 'dma_' API Date: Tue, 14 Jul 2020 20:35:01 +0200 Message-Id: <20200714183501.310949-1-christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Mailman-Approved-At: Wed, 15 Jul 2020 06:59:56 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: netdev@vger.kernel.org, kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, Christophe JAILLET , linux-media@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The wrappers in include/linux/pci-dma-compat.h should go away. The patch has been generated with the coccinelle script below and has been hand modified to replace GFP_ with a correct flag. It has been compile tested. When memory is allocated in 'ksz_alloc_desc()', GFP_KERNEL can be used because a few lines below, GFP_KERNEL is also used in the 'ksz_alloc_soft_desc()' calls. @@ @@ - PCI_DMA_BIDIRECTIONAL + DMA_BIDIRECTIONAL @@ @@ - PCI_DMA_TODEVICE + DMA_TO_DEVICE @@ @@ - PCI_DMA_FROMDEVICE + DMA_FROM_DEVICE @@ @@ - PCI_DMA_NONE + DMA_NONE @@ expression e1, e2, e3; @@ - pci_alloc_consistent(e1, e2, e3) + dma_alloc_coherent(&e1->dev, e2, e3, GFP_) @@ expression e1, e2, e3; @@ - pci_zalloc_consistent(e1, e2, e3) + dma_alloc_coherent(&e1->dev, e2, e3, GFP_) @@ expression e1, e2, e3, e4; @@ - pci_free_consistent(e1, e2, e3, e4) + dma_free_coherent(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_map_single(e1, e2, e3, e4) + dma_map_single(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_unmap_single(e1, e2, e3, e4) + dma_unmap_single(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4, e5; @@ - pci_map_page(e1, e2, e3, e4, e5) + dma_map_page(&e1->dev, e2, e3, e4, e5) @@ expression e1, e2, e3, e4; @@ - pci_unmap_page(e1, e2, e3, e4) + dma_unmap_page(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_map_sg(e1, e2, e3, e4) + dma_map_sg(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_unmap_sg(e1, e2, e3, e4) + dma_unmap_sg(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_single_for_cpu(e1, e2, e3, e4) + dma_sync_single_for_cpu(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_single_for_device(e1, e2, e3, e4) + dma_sync_single_for_device(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_sg_for_cpu(e1, e2, e3, e4) + dma_sync_sg_for_cpu(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_sg_for_device(e1, e2, e3, e4) + dma_sync_sg_for_device(&e1->dev, e2, e3, e4) @@ expression e1, e2; @@ - pci_dma_mapping_error(e1, e2) + dma_mapping_error(&e1->dev, e2) @@ expression e1, e2; @@ - pci_set_dma_mask(e1, e2) + dma_set_mask(&e1->dev, e2) @@ expression e1, e2; @@ - pci_set_consistent_dma_mask(e1, e2) + dma_set_coherent_mask(&e1->dev, e2) Signed-off-by: Christophe JAILLET --- If needed, see post from Christoph Hellwig on the kernel-janitors ML: https://marc.info/?l=kernel-janitors&m=158745678307186&w=4 --- drivers/net/ethernet/micrel/ksz884x.c | 68 ++++++++++++--------------- 1 file changed, 30 insertions(+), 38 deletions(-) diff --git a/drivers/net/ethernet/micrel/ksz884x.c b/drivers/net/ethernet/micrel/ksz884x.c index 2ce7304d3753..bb646b65cc95 100644 --- a/drivers/net/ethernet/micrel/ksz884x.c +++ b/drivers/net/ethernet/micrel/ksz884x.c @@ -4390,9 +4390,9 @@ static int ksz_alloc_desc(struct dev_info *adapter) DESC_ALIGNMENT; adapter->desc_pool.alloc_virt = - pci_zalloc_consistent(adapter->pdev, - adapter->desc_pool.alloc_size, - &adapter->desc_pool.dma_addr); + dma_alloc_coherent(&adapter->pdev->dev, + adapter->desc_pool.alloc_size, + &adapter->desc_pool.dma_addr, GFP_KERNEL); if (adapter->desc_pool.alloc_virt == NULL) { adapter->desc_pool.alloc_size = 0; return 1; @@ -4431,7 +4431,8 @@ static int ksz_alloc_desc(struct dev_info *adapter) static void free_dma_buf(struct dev_info *adapter, struct ksz_dma_buf *dma_buf, int direction) { - pci_unmap_single(adapter->pdev, dma_buf->dma, dma_buf->len, direction); + dma_unmap_single(&adapter->pdev->dev, dma_buf->dma, dma_buf->len, + direction); dev_kfree_skb(dma_buf->skb); dma_buf->skb = NULL; dma_buf->dma = 0; @@ -4456,16 +4457,15 @@ static void ksz_init_rx_buffers(struct dev_info *adapter) dma_buf = DMA_BUFFER(desc); if (dma_buf->skb && dma_buf->len != adapter->mtu) - free_dma_buf(adapter, dma_buf, PCI_DMA_FROMDEVICE); + free_dma_buf(adapter, dma_buf, DMA_FROM_DEVICE); dma_buf->len = adapter->mtu; if (!dma_buf->skb) dma_buf->skb = alloc_skb(dma_buf->len, GFP_ATOMIC); if (dma_buf->skb && !dma_buf->dma) - dma_buf->dma = pci_map_single( - adapter->pdev, - skb_tail_pointer(dma_buf->skb), - dma_buf->len, - PCI_DMA_FROMDEVICE); + dma_buf->dma = dma_map_single(&adapter->pdev->dev, + skb_tail_pointer(dma_buf->skb), + dma_buf->len, + DMA_FROM_DEVICE); /* Set descriptor. */ set_rx_buf(desc, dma_buf->dma); @@ -4543,11 +4543,10 @@ static void ksz_free_desc(struct dev_info *adapter) /* Free memory. */ if (adapter->desc_pool.alloc_virt) - pci_free_consistent( - adapter->pdev, - adapter->desc_pool.alloc_size, - adapter->desc_pool.alloc_virt, - adapter->desc_pool.dma_addr); + dma_free_coherent(&adapter->pdev->dev, + adapter->desc_pool.alloc_size, + adapter->desc_pool.alloc_virt, + adapter->desc_pool.dma_addr); /* Reset resource pool. */ adapter->desc_pool.alloc_size = 0; @@ -4590,12 +4589,10 @@ static void ksz_free_buffers(struct dev_info *adapter, static void ksz_free_mem(struct dev_info *adapter) { /* Free transmit buffers. */ - ksz_free_buffers(adapter, &adapter->hw.tx_desc_info, - PCI_DMA_TODEVICE); + ksz_free_buffers(adapter, &adapter->hw.tx_desc_info, DMA_TO_DEVICE); /* Free receive buffers. */ - ksz_free_buffers(adapter, &adapter->hw.rx_desc_info, - PCI_DMA_FROMDEVICE); + ksz_free_buffers(adapter, &adapter->hw.rx_desc_info, DMA_FROM_DEVICE); /* Free descriptors. */ ksz_free_desc(adapter); @@ -4657,9 +4654,8 @@ static void send_packet(struct sk_buff *skb, struct net_device *dev) dma_buf->len = skb_headlen(skb); - dma_buf->dma = pci_map_single( - hw_priv->pdev, skb->data, dma_buf->len, - PCI_DMA_TODEVICE); + dma_buf->dma = dma_map_single(&hw_priv->pdev->dev, skb->data, + dma_buf->len, DMA_TO_DEVICE); set_tx_buf(desc, dma_buf->dma); set_tx_len(desc, dma_buf->len); @@ -4676,11 +4672,10 @@ static void send_packet(struct sk_buff *skb, struct net_device *dev) dma_buf = DMA_BUFFER(desc); dma_buf->len = skb_frag_size(this_frag); - dma_buf->dma = pci_map_single( - hw_priv->pdev, - skb_frag_address(this_frag), - dma_buf->len, - PCI_DMA_TODEVICE); + dma_buf->dma = dma_map_single(&hw_priv->pdev->dev, + skb_frag_address(this_frag), + dma_buf->len, + DMA_TO_DEVICE); set_tx_buf(desc, dma_buf->dma); set_tx_len(desc, dma_buf->len); @@ -4700,9 +4695,8 @@ static void send_packet(struct sk_buff *skb, struct net_device *dev) } else { dma_buf->len = len; - dma_buf->dma = pci_map_single( - hw_priv->pdev, skb->data, dma_buf->len, - PCI_DMA_TODEVICE); + dma_buf->dma = dma_map_single(&hw_priv->pdev->dev, skb->data, + dma_buf->len, DMA_TO_DEVICE); set_tx_buf(desc, dma_buf->dma); set_tx_len(desc, dma_buf->len); } @@ -4756,9 +4750,8 @@ static void transmit_cleanup(struct dev_info *hw_priv, int normal) } dma_buf = DMA_BUFFER(desc); - pci_unmap_single( - hw_priv->pdev, dma_buf->dma, dma_buf->len, - PCI_DMA_TODEVICE); + dma_unmap_single(&hw_priv->pdev->dev, dma_buf->dma, + dma_buf->len, DMA_TO_DEVICE); /* This descriptor contains the last buffer in the packet. */ if (dma_buf->skb) { @@ -4991,9 +4984,8 @@ static inline int rx_proc(struct net_device *dev, struct ksz_hw* hw, packet_len = status.rx.frame_len - 4; dma_buf = DMA_BUFFER(desc); - pci_dma_sync_single_for_cpu( - hw_priv->pdev, dma_buf->dma, packet_len + 4, - PCI_DMA_FROMDEVICE); + dma_sync_single_for_cpu(&hw_priv->pdev->dev, dma_buf->dma, + packet_len + 4, DMA_FROM_DEVICE); do { /* skb->data != skb->head */ @@ -6935,8 +6927,8 @@ static int pcidev_init(struct pci_dev *pdev, const struct pci_device_id *id) result = -ENODEV; - if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) || - pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) + if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) || + dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32))) return result; reg_base = pci_resource_start(pdev, 0);