From patchwork Tue Aug 18 15:46:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joyce Ooi X-Patchwork-Id: 1347104 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=intel.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BWFrn04cyz9sTT for ; Wed, 19 Aug 2020 01:56:25 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728254AbgHRP4U (ORCPT ); Tue, 18 Aug 2020 11:56:20 -0400 Received: from mga11.intel.com ([192.55.52.93]:35749 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728183AbgHRPrS (ORCPT ); Tue, 18 Aug 2020 11:47:18 -0400 IronPort-SDR: vL9FBaH0TqzJ0GQ11erL/qDWNu9Gl8TR5nz21tju0VQIm3AwwVgBUukPSIDWhddBmSi9LHVFUz yQLkUoymPlUw== X-IronPort-AV: E=McAfee;i="6000,8403,9716"; a="152563263" X-IronPort-AV: E=Sophos;i="5.76,327,1592895600"; d="scan'208";a="152563263" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Aug 2020 08:47:18 -0700 IronPort-SDR: V2LwCJFKDxgzQb5hV91A5IeYw3Ero92nPQ+4CXQK6uEQjJ72/c3Ds8RnGIRtPtb0AlwJEGbUzw 4zaYKZhNRABg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.76,327,1592895600"; d="scan'208";a="400530265" Received: from pg-nxl3.altera.com ([10.142.129.93]) by fmsmga001.fm.intel.com with ESMTP; 18 Aug 2020 08:47:15 -0700 From: "Ooi, Joyce" To: "David S . Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Dalon Westergreen , Joyce Ooi , Tan Ley Foon , See Chin Liang , Dinh Nguyen , Dalon Westergreen Subject: [PATCH v6 04/10] net: eth: altera: add optional function to start tx dma Date: Tue, 18 Aug 2020 23:46:07 +0800 Message-Id: <20200818154613.148921-5-joyce.ooi@intel.com> X-Mailer: git-send-email 2.13.0 In-Reply-To: <20200818154613.148921-1-joyce.ooi@intel.com> References: <20200818154613.148921-1-joyce.ooi@intel.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Dalon Westergreen Allow for optional start up of tx dma if the start_txdma function is defined in altera_dmaops. Signed-off-by: Dalon Westergreen Signed-off-by: Joyce Ooi Reviewed-by: Thor Thayer --- v2: no change v3: no change v4: no change v5: no change v6: no change --- drivers/net/ethernet/altera/altera_tse.h | 1 + drivers/net/ethernet/altera/altera_tse_main.c | 5 +++++ 2 files changed, 6 insertions(+) diff --git a/drivers/net/ethernet/altera/altera_tse.h b/drivers/net/ethernet/altera/altera_tse.h index 7d0c98fc103e..26c5541fda27 100644 --- a/drivers/net/ethernet/altera/altera_tse.h +++ b/drivers/net/ethernet/altera/altera_tse.h @@ -401,6 +401,7 @@ struct altera_dmaops { int (*init_dma)(struct altera_tse_private *priv); void (*uninit_dma)(struct altera_tse_private *priv); void (*start_rxdma)(struct altera_tse_private *priv); + void (*start_txdma)(struct altera_tse_private *priv); }; /* This structure is private to each device. diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c index a3749ffdcac9..0a724e4d2c8c 100644 --- a/drivers/net/ethernet/altera/altera_tse_main.c +++ b/drivers/net/ethernet/altera/altera_tse_main.c @@ -1244,6 +1244,9 @@ static int tse_open(struct net_device *dev) priv->dmaops->start_rxdma(priv); + if (priv->dmaops->start_txdma) + priv->dmaops->start_txdma(priv); + /* Start MAC Rx/Tx */ spin_lock(&priv->mac_cfg_lock); tse_set_mac(priv, true); @@ -1646,6 +1649,7 @@ static const struct altera_dmaops altera_dtype_sgdma = { .init_dma = sgdma_initialize, .uninit_dma = sgdma_uninitialize, .start_rxdma = sgdma_start_rxdma, + .start_txdma = NULL, }; static const struct altera_dmaops altera_dtype_msgdma = { @@ -1665,6 +1669,7 @@ static const struct altera_dmaops altera_dtype_msgdma = { .init_dma = msgdma_initialize, .uninit_dma = msgdma_uninitialize, .start_rxdma = msgdma_start_rxdma, + .start_txdma = NULL, }; static const struct of_device_id altera_tse_ids[] = {