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path: root/drivers/net/ethernet/ti/cpsw.c
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Diffstat (limited to 'drivers/net/ethernet/ti/cpsw.c')
-rw-r--r--drivers/net/ethernet/ti/cpsw.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 7536a4c0129..5120d9ce1dd 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -1151,6 +1151,12 @@ static int cpsw_ndo_open(struct net_device *ndev)
* receive descs
*/
cpsw_info(priv, ifup, "submitted %d rx descriptors\n", i);
+
+ if (cpts_register(&priv->pdev->dev, priv->cpts,
+ priv->data.cpts_clock_mult,
+ priv->data.cpts_clock_shift))
+ dev_err(priv->dev, "error registering cpts device\n");
+
}
/* Enable Interrupt pacing if configured */
@@ -1197,6 +1203,7 @@ static int cpsw_ndo_stop(struct net_device *ndev)
netif_carrier_off(priv->ndev);
if (cpsw_common_res_usage_state(priv) <= 1) {
+ cpts_unregister(priv->cpts);
cpsw_intr_disable(priv);
cpdma_ctlr_int_ctrl(priv->dma, false);
cpdma_ctlr_stop(priv->dma);
@@ -1816,6 +1823,8 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data,
}
i++;
+ if (i == data->slaves)
+ break;
}
return 0;
@@ -1983,9 +1992,15 @@ static int cpsw_probe(struct platform_device *pdev)
goto clean_runtime_disable_ret;
}
priv->regs = ss_regs;
- priv->version = __raw_readl(&priv->regs->id_ver);
priv->host_port = HOST_PORT_NUM;
+ /* Need to enable clocks with runtime PM api to access module
+ * registers
+ */
+ pm_runtime_get_sync(&pdev->dev);
+ priv->version = readl(&priv->regs->id_ver);
+ pm_runtime_put_sync(&pdev->dev);
+
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
priv->wr_regs = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(priv->wr_regs)) {
@@ -2155,8 +2170,6 @@ static int cpsw_remove(struct platform_device *pdev)
unregister_netdev(cpsw_get_slave_ndev(priv, 1));
unregister_netdev(ndev);
- cpts_unregister(priv->cpts);
-
cpsw_ale_destroy(priv->ale);
cpdma_chan_destroy(priv->txch);
cpdma_chan_destroy(priv->rxch);