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authorHans de Goede <hdegoede@redhat.com>2018-09-26 23:12:39 +0300
committerDavid S. Miller <davem@davemloft.net>2018-09-29 21:47:57 +0300
commitac8bd9e13be22a3d24bfc80972d4688e3e50e457 (patch)
treeb1fd327fcbbd2314020e8001e47f3d16de8ae0ec /drivers
parentc333fa0c4f220f8f7ea5acd6b0ebf3bf13fd684d (diff)
downloadlinux-ac8bd9e13be22a3d24bfc80972d4688e3e50e457.tar.xz
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 <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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/realtek/r8169.c5
1 files changed, 5 insertions, 0 deletions
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);