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Date: Tue, 18 Dec 2018 09:48:04 -0600
From: Thor Thayer <thor.thayer@...ux.intel.com>
To: dwesterg@...il.com, netdev@...r.kernel.org, dinguyen@...nel.org,
richardcochran@...il.com, davem@...emloft.net,
vbridger@...nsource.altera.com, robh+dt@...nel.org,
"mark.rutland@....commark.rutland"@arm.com,
devicetree@...r.kernel.org, hean.loong.ong@...el.com
Cc: Dalon Westergreen <dalon.westergreen@...ux.intel.com>
Subject: Re: [PATCH v2 net-next 07/10] net: eth: altera: change tx functions
to type netdev_tx_t
On 12/13/18 11:52 AM, dwesterg@...il.com wrote:
> From: Dalon Westergreen <dalon.westergreen@...ux.intel.com>
>
> Modify all msgdma and sgdma tx_buffer functions to be of type
> netdev_tx_t, and also modify main tx function to be of
> netdev_tx_t type.
>
> Signed-off-by: Dalon Westergreen <dalon.westergreen@...ux.intel.com>
> ---
> drivers/net/ethernet/altera/altera_msgdma.c | 5 +++--
> drivers/net/ethernet/altera/altera_msgdma.h | 4 ++--
> drivers/net/ethernet/altera/altera_sgdma.c | 5 +++--
> drivers/net/ethernet/altera/altera_sgdma.h | 4 ++--
> drivers/net/ethernet/altera/altera_tse.h | 4 ++--
> drivers/net/ethernet/altera/altera_tse_main.c | 2 +-
> 6 files changed, 13 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/net/ethernet/altera/altera_msgdma.c b/drivers/net/ethernet/altera/altera_msgdma.c
> index 0fb986ba3290..95f016731cc2 100644
> --- a/drivers/net/ethernet/altera/altera_msgdma.c
> +++ b/drivers/net/ethernet/altera/altera_msgdma.c
> @@ -117,7 +117,8 @@ void msgdma_clear_txirq(struct altera_tse_private *priv)
> }
>
> /* return 0 to indicate transmit is pending */
> -int msgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
> +netdev_tx_t
> +msgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
> {
> csrwr32(lower_32_bits(buffer->dma_addr), priv->tx_dma_desc,
> msgdma_descroffs(read_addr_lo));
> @@ -131,7 +132,7 @@ int msgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
> msgdma_descroffs(stride));
> csrwr32(MSGDMA_DESC_CTL_TX_SINGLE, priv->tx_dma_desc,
> msgdma_descroffs(control));
> - return 0;
> + return NETDEV_TX_OK;
> }
>
> u32 msgdma_tx_completions(struct altera_tse_private *priv)
> diff --git a/drivers/net/ethernet/altera/altera_msgdma.h b/drivers/net/ethernet/altera/altera_msgdma.h
> index e18be91a48a7..e9008e3761b9 100644
> --- a/drivers/net/ethernet/altera/altera_msgdma.h
> +++ b/drivers/net/ethernet/altera/altera_msgdma.h
> @@ -27,8 +27,8 @@ void msgdma_clear_txirq(struct altera_tse_private *priv);
> u32 msgdma_tx_completions(struct altera_tse_private *priv);
> void msgdma_add_rx_desc(struct altera_tse_private *priv,
> struct tse_buffer *buffer);
> -int msgdma_tx_buffer(struct altera_tse_private *priv,
> - struct tse_buffer *buffer);
> +netdev_tx_t msgdma_tx_buffer(struct altera_tse_private *priv,
> + struct tse_buffer *buffer);
> u32 msgdma_rx_status(struct altera_tse_private *priv);
> int msgdma_initialize(struct altera_tse_private *priv);
> void msgdma_uninitialize(struct altera_tse_private *priv);
> diff --git a/drivers/net/ethernet/altera/altera_sgdma.c b/drivers/net/ethernet/altera/altera_sgdma.c
> index eb47b9b820bb..93f66af338de 100644
> --- a/drivers/net/ethernet/altera/altera_sgdma.c
> +++ b/drivers/net/ethernet/altera/altera_sgdma.c
> @@ -177,7 +177,8 @@ void sgdma_clear_txirq(struct altera_tse_private *priv)
> * will now actually look at the code, so from now, 0 is good and return
> * NETDEV_TX_BUSY when busy.
> */
> -int sgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
> +netdev_tx_t
> +sgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
> {
> struct sgdma_descrip __iomem *descbase =
> (struct sgdma_descrip __iomem *)priv->tx_dma_desc;
> @@ -204,7 +205,7 @@ int sgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
> /* enqueue the request to the pending transmit queue */
> queue_tx(priv, buffer);
>
> - return 0;
> + return NETDEV_TX_OK;
> }
>
>
> diff --git a/drivers/net/ethernet/altera/altera_sgdma.h b/drivers/net/ethernet/altera/altera_sgdma.h
> index 769e720a2043..984c00d81596 100644
> --- a/drivers/net/ethernet/altera/altera_sgdma.h
> +++ b/drivers/net/ethernet/altera/altera_sgdma.h
> @@ -24,8 +24,8 @@ void sgdma_disable_rxirq(struct altera_tse_private *priv);
> void sgdma_disable_txirq(struct altera_tse_private *priv);
> void sgdma_clear_rxirq(struct altera_tse_private *priv);
> void sgdma_clear_txirq(struct altera_tse_private *priv);
> -int sgdma_tx_buffer(struct altera_tse_private *priv,
> - struct tse_buffer *buffer);
> +netdev_tx_t sgdma_tx_buffer(struct altera_tse_private *priv,
> + struct tse_buffer *buffer);
> u32 sgdma_tx_completions(struct altera_tse_private *priv);
> void sgdma_add_rx_desc(struct altera_tse_private *priv,
> struct tse_buffer *buffer);
> diff --git a/drivers/net/ethernet/altera/altera_tse.h b/drivers/net/ethernet/altera/altera_tse.h
> index f435fb0eca90..6e7f92ebf3cf 100644
> --- a/drivers/net/ethernet/altera/altera_tse.h
> +++ b/drivers/net/ethernet/altera/altera_tse.h
> @@ -403,8 +403,8 @@ struct altera_dmaops {
> void (*disable_rxirq)(struct altera_tse_private *priv);
> void (*clear_txirq)(struct altera_tse_private *priv);
> void (*clear_rxirq)(struct altera_tse_private *priv);
> - int (*tx_buffer)(struct altera_tse_private *priv,
> - struct tse_buffer *buffer);
> + netdev_tx_t (*tx_buffer)(struct altera_tse_private *priv,
> + struct tse_buffer *buffer);
> u32 (*tx_completions)(struct altera_tse_private *priv);
> void (*add_rx_desc)(struct altera_tse_private *priv,
> struct tse_buffer *buffer);
> diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c
> index b25d03506470..24915f72e965 100644
> --- a/drivers/net/ethernet/altera/altera_tse_main.c
> +++ b/drivers/net/ethernet/altera/altera_tse_main.c
> @@ -564,7 +564,7 @@ static irqreturn_t altera_isr(int irq, void *dev_id)
> * physically contiguous fragment starting at
> * skb->data, for length of skb_headlen(skb).
> */
> -static int tse_start_xmit(struct sk_buff *skb, struct net_device *dev)
> +static netdev_tx_t tse_start_xmit(struct sk_buff *skb, struct net_device *dev)
> {
> struct altera_tse_private *priv = netdev_priv(dev);
> unsigned int txsize = priv->tx_ring_size;
>
Acked-by: Thor Thayer <thor.thayer@...ux.intel.com>
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