From patchwork Sat Nov 21 09:03:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 11923309 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3AFFDC5519F for ; Sat, 21 Nov 2020 09:03:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1E5BF22240 for ; Sat, 21 Nov 2020 09:03:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727315AbgKUJDQ (ORCPT ); Sat, 21 Nov 2020 04:03:16 -0500 Received: from smtp05.smtpout.orange.fr ([80.12.242.127]:17856 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726176AbgKUJDP (ORCPT ); Sat, 21 Nov 2020 04:03:15 -0500 Received: from localhost.localdomain ([81.185.161.242]) by mwinf5d61 with ME id ux32230075E5lq903x32df; Sat, 21 Nov 2020 10:03:11 +0100 X-ME-Helo: localhost.localdomain X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Sat, 21 Nov 2020 10:03:11 +0100 X-ME-IP: 81.185.161.242 From: Christophe JAILLET To: davem@davemloft.net, kuba@kernel.org, kaixuxia@tencent.com, mhabets@solarflare.com, mst@redhat.com, luc.vanoostenryck@gmail.com, jesse.brandeburg@intel.com Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET Subject: [PATCH 1/2] net: pch_gbe: Use dma_set_mask_and_coherent to simplify code Date: Sat, 21 Nov 2020 10:03:02 +0100 Message-Id: <20201121090302.1332491-1-christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org 'pci_set_dma_mask()' + 'pci_set_consistent_dma_mask()' can be replaced by an equivalent 'dma_set_mask_and_coherent()' which is much less verbose. Signed-off-by: Christophe JAILLET --- .../net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c | 14 ++++---------- 1 file changed, 4 insertions(+), 10 deletions(-) diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c index b9e32e4478a8..8e4255efe829 100644 --- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c +++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c @@ -2502,17 +2502,11 @@ static int pch_gbe_probe(struct pci_dev *pdev, if (ret) return ret; - if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) - || pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) { - ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) { + ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); if (ret) { - ret = pci_set_consistent_dma_mask(pdev, - DMA_BIT_MASK(32)); - if (ret) { - dev_err(&pdev->dev, "ERR: No usable DMA " - "configuration, aborting\n"); - return ret; - } + dev_err(&pdev->dev, "ERR: No usable DMA configuration, aborting\n"); + return ret; } } From patchwork Sat Nov 21 09:03:30 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christophe JAILLET X-Patchwork-Id: 11923311 X-Patchwork-Delegate: kuba@kernel.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8DA27C64E69 for ; Sat, 21 Nov 2020 09:03:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5399022240 for ; Sat, 21 Nov 2020 09:03:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727363AbgKUJDf (ORCPT ); Sat, 21 Nov 2020 04:03:35 -0500 Received: from smtp05.smtpout.orange.fr ([80.12.242.127]:55275 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727241AbgKUJDe (ORCPT ); Sat, 21 Nov 2020 04:03:34 -0500 Received: from localhost.localdomain ([81.185.161.242]) by mwinf5d61 with ME id ux3V2300L5E5lq903x3Wfh; Sat, 21 Nov 2020 10:03:31 +0100 X-ME-Helo: localhost.localdomain X-ME-Auth: Y2hyaXN0b3BoZS5qYWlsbGV0QHdhbmFkb28uZnI= X-ME-Date: Sat, 21 Nov 2020 10:03:31 +0100 X-ME-IP: 81.185.161.242 From: Christophe JAILLET To: davem@davemloft.net, kuba@kernel.org, kaixuxia@tencent.com, mhabets@solarflare.com, mst@redhat.com, luc.vanoostenryck@gmail.com, jesse.brandeburg@intel.com Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, Christophe JAILLET Subject: [PATCH 2/2] net: pch_gbe: Use 'dma_free_coherent()' to undo 'dma_alloc_coherent()' Date: Sat, 21 Nov 2020 10:03:30 +0100 Message-Id: <20201121090330.1332543-1-christophe.jaillet@wanadoo.fr> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org Memory allocation are done with 'dma_alloc_coherent()'. Be consistent and use 'dma_free_coherent()' to free the corresponding memory. Signed-off-by: Christophe JAILLET --- drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c index 8e4255efe829..140cee7c459d 100644 --- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c +++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c @@ -1816,7 +1816,8 @@ void pch_gbe_free_tx_resources(struct pch_gbe_adapter *adapter, pch_gbe_clean_tx_ring(adapter, tx_ring); vfree(tx_ring->buffer_info); tx_ring->buffer_info = NULL; - pci_free_consistent(pdev, tx_ring->size, tx_ring->desc, tx_ring->dma); + dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc, + tx_ring->dma); tx_ring->desc = NULL; } @@ -1833,7 +1834,8 @@ void pch_gbe_free_rx_resources(struct pch_gbe_adapter *adapter, pch_gbe_clean_rx_ring(adapter, rx_ring); vfree(rx_ring->buffer_info); rx_ring->buffer_info = NULL; - pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, rx_ring->dma); + dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc, + rx_ring->dma); rx_ring->desc = NULL; } @@ -1954,8 +1956,8 @@ void pch_gbe_down(struct pch_gbe_adapter *adapter) pch_gbe_clean_tx_ring(adapter, adapter->tx_ring); pch_gbe_clean_rx_ring(adapter, adapter->rx_ring); - pci_free_consistent(adapter->pdev, rx_ring->rx_buff_pool_size, - rx_ring->rx_buff_pool, rx_ring->rx_buff_pool_logic); + dma_free_coherent(&adapter->pdev->dev, rx_ring->rx_buff_pool_size, + rx_ring->rx_buff_pool, rx_ring->rx_buff_pool_logic); rx_ring->rx_buff_pool_logic = 0; rx_ring->rx_buff_pool_size = 0; rx_ring->rx_buff_pool = NULL;