Re: [PATCH] net: atheros: Use dev_get_drvdata

From: Joe Perches
Date: Tue Jul 23 2019 - 10:17:13 EST


On Tue, 2019-07-23 at 21:18 +0800, Chuhong Yuan wrote:
> Instead of using to_pci_dev + pci_get_drvdata,
> use dev_get_drvdata to make code simpler.

unrelated trivia:

> diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
[]
> @@ -2422,8 +2422,7 @@ static int atl1c_close(struct net_device *netdev)
>
> static int atl1c_suspend(struct device *dev)
> {
> - struct pci_dev *pdev = to_pci_dev(dev);
> - struct net_device *netdev = pci_get_drvdata(pdev);
> + struct net_device *netdev = dev_get_drvdata(dev);
> struct atl1c_adapter *adapter = netdev_priv(netdev);
> struct atl1c_hw *hw = &adapter->hw;
> u32 wufc = adapter->wol;
> @@ -2437,7 +2436,7 @@ static int atl1c_suspend(struct device *dev)
>
> if (wufc)
> if (atl1c_phy_to_ps_link(hw) != 0)
> - dev_dbg(&pdev->dev, "phy power saving failed");
> + dev_dbg(dev, "phy power saving failed");

These and similar uses could/should use netdev_dbg

netdev_dbg(netdev, "phy power saving failed\n");

with the terminating newline too

> diff --git a/drivers/net/ethernet/atheros/atlx/atl1.c b/drivers/net/ethernet/atheros/atlx/atl1.c
[]
> @@ -2780,7 +2779,7 @@ static int atl1_suspend(struct device *dev)
> val = atl1_get_speed_and_duplex(hw, &speed, &duplex);
> if (val) {
> if (netif_msg_ifdown(adapter))
> - dev_printk(KERN_DEBUG, &pdev->dev,
> + dev_printk(KERN_DEBUG, dev,
> "error getting speed/duplex\n");

netdev_printk(KERN_DEBUG, netdev, etc...);