[PATCH v2 net-next 04/10] net: eth: altera: add optional function to start tx dma
flat view
STALE2848d
From: <hidden>
Date: 2018-12-13 17:52:46
Subsystem:
altera triple speed ethernet driver, networking drivers, the rest · Maintainers:
Boon Khai Ng, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Revision v2 of 2 in this series.
Revisions (2)
- v1 [diff vs current]
- v2 current
From: Dalon Westergreen <redacted> Allow for optional start up of tx dma if the start_txdma function is defined in altera_dmaops. Signed-off-by: Dalon Westergreen <redacted> --- 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 d5b97e02e6d6..7f246040135d 100644
--- a/drivers/net/ethernet/altera/altera_tse.h
+++ b/drivers/net/ethernet/altera/altera_tse.h@@ -412,6 +412,7 @@ 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 0c0e8f9bba9b..f6b6a14b1ce9 100644
--- a/drivers/net/ethernet/altera/altera_tse_main.c
+++ b/drivers/net/ethernet/altera/altera_tse_main.c@@ -1256,6 +1256,9 @@ 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);
@@ -1658,6 +1661,7 @@ 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 = {
@@ -1677,6 +1681,7 @@ 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[] = {
--
2.19.2