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Date: Mon, 4 May 2020 16:25:52 +0800 From: Joyce Ooi <joyce.ooi@...el.com> To: Thor Thayer <thor.thayer@...ux.intel.com>, "David S . Miller" <davem@...emloft.net> Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, Dalon Westergreen <dalon.westergreen@...el.com>, Joyce Ooi <joyce.ooi@...el.com>, Tan Ley Foon <ley.foon.tan@...el.com>, See Chin Liang <chin.liang.see@...el.com>, Dinh Nguyen <dinh.nguyen@...el.com> Subject: [PATCHv2 04/10] net: eth: altera: add optional function to start tx dma From: Dalon Westergreen <dalon.westergreen@...el.com> Allow for optional start up of tx dma if the start_txdma function is defined in altera_dmaops. Signed-off-by: Dalon Westergreen <dalon.westergreen@...el.com> Signed-off-by: Joyce Ooi <joyce.ooi@...el.com> --- v2: 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 539e744e23f7..3c756afd0d39 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[] = { -- 2.13.0
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