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r8169: Disable clk during suspend / resume

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Disable the clk during suspend to save power. Note that tp->clk may be
NULL, the clk core functions handle this without problems.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Carlo Caione <carlo@endlessm.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hans de Goede 2018-09-26 22:12:39 +02:00 committed by David S. Miller
parent c333fa0c4f
commit ac8bd9e13b
1 changed files with 5 additions and 0 deletions
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5
drivers/net/ethernet/realtek/r8169.c
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@ -6869,8 +6869,10 @@ static int rtl8169_suspend(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
struct net_device *dev = pci_get_drvdata(pdev);
struct rtl8169_private *tp = netdev_priv(dev);
rtl8169_net_suspend(dev);
clk_disable_unprepare(tp->clk);
return 0;
}
@ -6898,6 +6900,9 @@ static int rtl8169_resume(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
struct net_device *dev = pci_get_drvdata(pdev);
struct rtl8169_private *tp = netdev_priv(dev);
clk_prepare_enable(tp->clk);
if (netif_running(dev))
__rtl8169_resume(dev);