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bmips: bcm6368-enetsw: remove unneeded variables

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Change the code to use defines instead of variables.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
This commit is contained in:
Álvaro Fernández Rojas 2023-03-28 18:47:17 +02:00
parent 33f59ebd1f
commit 4d99f0ce4d
1 changed files with 16 additions and 35 deletions
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51
target/linux/bmips/files/drivers/net/ethernet/broadcom/bcm6368-enetsw.c
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@ -194,9 +194,6 @@ struct bcm6368_enetsw {
/* number of dma desc in tx ring */
int tx_ring_size;
/* maximum dma burst size */
int dma_maxburst;
/* cpu view of rx dma ring */
struct bcm6368_enetsw_desc *tx_desc_cpu;
@ -220,15 +217,6 @@ struct bcm6368_enetsw {
/* platform device reference */
struct platform_device *pdev;
/* dma channel enable mask */
u32 dma_chan_en_mask;
/* dma channel interrupt mask */
u32 dma_chan_int_mask;
/* dma channel width */
unsigned int dma_chan_width;
};
static inline void dma_writel(struct bcm6368_enetsw *priv, u32 val, u32 off)
@ -238,19 +226,19 @@ static inline void dma_writel(struct bcm6368_enetsw *priv, u32 val, u32 off)
static inline u32 dma_readl(struct bcm6368_enetsw *priv, u32 off, int chan)
{
return __raw_readl(priv->dma_chan + off + chan * priv->dma_chan_width);
return __raw_readl(priv->dma_chan + off + chan * DMA_CHAN_WIDTH);
}
static inline void dmac_writel(struct bcm6368_enetsw *priv, u32 val,
u32 off, int chan)
static inline void dmac_writel(struct bcm6368_enetsw *priv, u32 val, u32 off,
int chan)
{
__raw_writel(val, priv->dma_chan + off + chan * priv->dma_chan_width);
__raw_writel(val, priv->dma_chan + off + chan * DMA_CHAN_WIDTH);
}
static inline void dmas_writel(struct bcm6368_enetsw *priv, u32 val,
u32 off, int chan)
{
__raw_writel(val, priv->dma_sram + off + chan * priv->dma_chan_width);
__raw_writel(val, priv->dma_sram + off + chan * DMA_CHAN_WIDTH);
}
/*
@ -440,7 +428,7 @@ static int bcm6368_enetsw_receive_queue(struct net_device *ndev, int budget)
bcm6368_enetsw_refill_rx(ndev, true);
/* kick rx dma */
dmac_writel(priv, priv->dma_chan_en_mask,
dmac_writel(priv, DMAC_CHANCFG_EN_MASK,
DMAC_CHANCFG_REG, priv->rx_chan);
}
@ -516,9 +504,9 @@ static int bcm6368_enetsw_poll(struct napi_struct *napi, int budget)
int rx_work_done;
/* ack interrupts */
dmac_writel(priv, priv->dma_chan_int_mask,
dmac_writel(priv, DMAC_IR_PKTDONE_MASK,
DMAC_IR_REG, priv->rx_chan);
dmac_writel(priv, priv->dma_chan_int_mask,
dmac_writel(priv, DMAC_IR_PKTDONE_MASK,
DMAC_IR_REG, priv->tx_chan);
/* reclaim sent skb */
@ -538,10 +526,10 @@ static int bcm6368_enetsw_poll(struct napi_struct *napi, int budget)
napi_complete_done(napi, rx_work_done);
/* restore rx/tx interrupt */
dmac_writel(priv, priv->dma_chan_int_mask,
DMAC_IRMASK_REG, priv->rx_chan);
dmac_writel(priv, priv->dma_chan_int_mask,
DMAC_IRMASK_REG, priv->tx_chan);
dmac_writel(priv, DMAC_IR_PKTDONE_MASK,
DMAC_IRMASK_REG, priv->rx_chan);
dmac_writel(priv, DMAC_IR_PKTDONE_MASK,
DMAC_IRMASK_REG, priv->tx_chan);
return rx_work_done;
}
@ -642,7 +630,7 @@ bcm6368_enetsw_start_xmit(struct sk_buff *skb, struct net_device *ndev)
netdev_sent_queue(ndev, skb->len);
/* kick tx dma */
dmac_writel(priv, priv->dma_chan_en_mask, DMAC_CHANCFG_REG,
dmac_writel(priv, DMAC_CHANCFG_EN_MASK, DMAC_CHANCFG_REG,
priv->tx_chan);
/* stop queue if no more desc available */
@ -781,9 +769,9 @@ static int bcm6368_enetsw_open(struct net_device *ndev)
dmas_writel(priv, 0, DMAS_SRAM4_REG, priv->tx_chan);
/* set dma maximum burst len */
dmac_writel(priv, priv->dma_maxburst,
dmac_writel(priv, ENETSW_DMA_MAXBURST,
DMAC_MAXBURST_REG, priv->rx_chan);
dmac_writel(priv, priv->dma_maxburst,
dmac_writel(priv, ENETSW_DMA_MAXBURST,
DMAC_MAXBURST_REG, priv->tx_chan);
/* set flow control low/high threshold to 1/3 / 2/3 */
@ -999,15 +987,8 @@ static int bcm6368_enetsw_probe(struct platform_device *pdev)
priv->rx_ring_size = ENETSW_DEF_RX_DESC;
priv->tx_ring_size = ENETSW_DEF_TX_DESC;
priv->dma_maxburst = ENETSW_DMA_MAXBURST;
priv->copybreak = ENETSW_DEF_CPY_BREAK;
priv->dma_chan_en_mask = DMAC_CHANCFG_EN_MASK;
priv->dma_chan_int_mask = DMAC_IR_PKTDONE_MASK;
priv->dma_chan_width = DMA_CHAN_WIDTH;
of_get_mac_address(node, ndev->dev_addr);
if (is_valid_ether_addr(ndev->dev_addr)) {
dev_info(dev, "mtd mac %pM\n", ndev->dev_addr);
@ -1017,7 +998,7 @@ static int bcm6368_enetsw_probe(struct platform_device *pdev)
}
priv->rx_buf_size = ALIGN(ndev->mtu + ENETSW_MTU_OVERHEAD,
priv->dma_maxburst * 4);
ENETSW_DMA_MAXBURST * 4);
priv->rx_frag_size = ENETSW_FRAG_SIZE(priv->rx_buf_size);