From 9232b16df2167c8afcb89de39ee85f5091ebacff Mon Sep 17 00:00:00 2001 From: Mugunthan V N Date: Mon, 11 Feb 2013 09:52:19 +0000 Subject: [PATCH] driver: net: ethernet: cpsw: make cpts as pointer As CPTS is common module for both EMAC in Dual EMAC mode so making cpts as pointer. Signed-off-by: Mugunthan V N Signed-off-by: David S. Miller --- drivers/net/ethernet/ti/cpsw.c | 36 ++++++++++++++++++++-------------- 1 file changed, 21 insertions(+), 15 deletions(-) diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 8ac60c7a2a23..4b964bb02d4c 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -319,7 +319,7 @@ struct cpsw_priv { /* snapshot of IRQ numbers */ u32 irqs_table[4]; u32 num_irqs; - struct cpts cpts; + struct cpts *cpts; }; #define napi_to_priv(napi) container_of(napi, struct cpsw_priv, napi) @@ -383,7 +383,7 @@ void cpsw_tx_handler(void *token, int len, int status) */ if (unlikely(netif_queue_stopped(ndev))) netif_start_queue(ndev); - cpts_tx_timestamp(&priv->cpts, skb); + cpts_tx_timestamp(priv->cpts, skb); priv->stats.tx_packets++; priv->stats.tx_bytes += len; dev_kfree_skb_any(skb); @@ -404,7 +404,7 @@ void cpsw_rx_handler(void *token, int len, int status) } if (likely(status >= 0)) { skb_put(skb, len); - cpts_rx_timestamp(&priv->cpts, skb); + cpts_rx_timestamp(priv->cpts, skb); skb->protocol = eth_type_trans(skb, ndev); netif_receive_skb(skb); priv->stats.rx_bytes += len; @@ -760,7 +760,8 @@ static netdev_tx_t cpsw_ndo_start_xmit(struct sk_buff *skb, return NETDEV_TX_OK; } - if (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP && priv->cpts.tx_enable) + if (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP && + priv->cpts->tx_enable) skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; skb_tx_timestamp(skb); @@ -815,7 +816,7 @@ static void cpsw_hwtstamp_v1(struct cpsw_priv *priv) struct cpsw_slave *slave = &priv->slaves[priv->data.cpts_active_slave]; u32 ts_en, seq_id; - if (!priv->cpts.tx_enable && !priv->cpts.rx_enable) { + if (!priv->cpts->tx_enable && !priv->cpts->rx_enable) { slave_write(slave, 0, CPSW1_TS_CTL); return; } @@ -823,10 +824,10 @@ static void cpsw_hwtstamp_v1(struct cpsw_priv *priv) seq_id = (30 << CPSW_V1_SEQ_ID_OFS_SHIFT) | ETH_P_1588; ts_en = EVENT_MSG_BITS << CPSW_V1_MSG_TYPE_OFS; - if (priv->cpts.tx_enable) + if (priv->cpts->tx_enable) ts_en |= CPSW_V1_TS_TX_EN; - if (priv->cpts.rx_enable) + if (priv->cpts->rx_enable) ts_en |= CPSW_V1_TS_RX_EN; slave_write(slave, ts_en, CPSW1_TS_CTL); @@ -841,10 +842,10 @@ static void cpsw_hwtstamp_v2(struct cpsw_priv *priv) ctrl = slave_read(slave, CPSW2_CONTROL); ctrl &= ~CTRL_ALL_TS_MASK; - if (priv->cpts.tx_enable) + if (priv->cpts->tx_enable) ctrl |= CTRL_TX_TS_BITS; - if (priv->cpts.rx_enable) + if (priv->cpts->rx_enable) ctrl |= CTRL_RX_TS_BITS; mtype = (30 << TS_SEQ_ID_OFFSET_SHIFT) | EVENT_MSG_BITS; @@ -857,7 +858,7 @@ static void cpsw_hwtstamp_v2(struct cpsw_priv *priv) static int cpsw_hwtstamp_ioctl(struct net_device *dev, struct ifreq *ifr) { struct cpsw_priv *priv = netdev_priv(dev); - struct cpts *cpts = &priv->cpts; + struct cpts *cpts = priv->cpts; struct hwtstamp_config cfg; if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg))) @@ -1086,7 +1087,7 @@ static int cpsw_get_ts_info(struct net_device *ndev, SOF_TIMESTAMPING_RX_SOFTWARE | SOF_TIMESTAMPING_SOFTWARE | SOF_TIMESTAMPING_RAW_HARDWARE; - info->phc_index = priv->cpts.phc_index; + info->phc_index = priv->cpts->phc_index; info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON); @@ -1272,6 +1273,11 @@ static int cpsw_probe(struct platform_device *pdev) priv->dev = &ndev->dev; priv->msg_enable = netif_msg_init(debug_level, CPSW_DEBUG); priv->rx_packet_max = max(rx_packet_max, 128); + priv->cpts = devm_kzalloc(&pdev->dev, sizeof(struct cpts), GFP_KERNEL); + if (!ndev) { + pr_err("error allocating cpts\n"); + goto clean_ndev_ret; + } /* * This may be required here for child devices. @@ -1358,7 +1364,7 @@ static int cpsw_probe(struct platform_device *pdev) switch (priv->version) { case CPSW_VERSION_1: priv->host_port_regs = ss_regs + CPSW1_HOST_PORT_OFFSET; - priv->cpts.reg = ss_regs + CPSW1_CPTS_OFFSET; + priv->cpts->reg = ss_regs + CPSW1_CPTS_OFFSET; dma_params.dmaregs = ss_regs + CPSW1_CPDMA_OFFSET; dma_params.txhdp = ss_regs + CPSW1_STATERAM_OFFSET; ale_params.ale_regs = ss_regs + CPSW1_ALE_OFFSET; @@ -1369,7 +1375,7 @@ static int cpsw_probe(struct platform_device *pdev) break; case CPSW_VERSION_2: priv->host_port_regs = ss_regs + CPSW2_HOST_PORT_OFFSET; - priv->cpts.reg = ss_regs + CPSW2_CPTS_OFFSET; + priv->cpts->reg = ss_regs + CPSW2_CPTS_OFFSET; dma_params.dmaregs = ss_regs + CPSW2_CPDMA_OFFSET; dma_params.txhdp = ss_regs + CPSW2_STATERAM_OFFSET; ale_params.ale_regs = ss_regs + CPSW2_ALE_OFFSET; @@ -1471,7 +1477,7 @@ static int cpsw_probe(struct platform_device *pdev) goto clean_irq_ret; } - if (cpts_register(&pdev->dev, &priv->cpts, + if (cpts_register(&pdev->dev, priv->cpts, data->cpts_clock_mult, data->cpts_clock_shift)) dev_err(priv->dev, "error registering cpts device\n"); @@ -1516,7 +1522,7 @@ static int cpsw_remove(struct platform_device *pdev) pr_info("removing device"); platform_set_drvdata(pdev, NULL); - cpts_unregister(&priv->cpts); + cpts_unregister(priv->cpts); free_irq(ndev->irq, priv); cpsw_ale_destroy(priv->ale); cpdma_chan_destroy(priv->txch); -- 2.20.1