From ac8bd9e13be22a3d24bfc80972d4688e3e50e457 Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Wed, 26 Sep 2018 22:12:39 +0200 Subject: [PATCH] r8169: Disable clk during suspend / resume 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 Tested-by: Carlo Caione Signed-off-by: Hans de Goede Signed-off-by: David S. Miller --- drivers/net/ethernet/realtek/r8169.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index ab30aaeac6d3..d6b53f53909a 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -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); -- 2.30.2