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r8169: add checking driver's runtime pm status in rtl8169_get_ethtool_stats() 

Not to call rtl8169_update_counters() to dump tally counter when driver
is in runtime suspend state.

Calling rtl8169_update_counters() in runtime suspend state will produce
warning message "rtl_counters_cond == 1 (loop: 1000, delay: 10)".

Signed-off-by: Chunhao Lin <hau@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Chun-Hao Lin 2016-07-29 16:37:55 +08:00 committed by David S. Miller
parent 5fa80a326d
commit e06362369a
1 changed files with 7 additions and 1 deletions
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8
drivers/net/ethernet/realtek/r8169.c
View File

@ -2308,11 +2308,17 @@ static void rtl8169_get_ethtool_stats(struct net_device *dev,
struct ethtool_stats *stats, u64 *data)
{
struct rtl8169_private *tp = netdev_priv(dev);
struct device *d = &tp->pci_dev->dev;
struct rtl8169_counters *counters = tp->counters;
ASSERT_RTNL();
rtl8169_update_counters(dev);
pm_runtime_get_noresume(d);
if (pm_runtime_active(d))
rtl8169_update_counters(dev);
pm_runtime_put_noidle(d);
data[0] = le64_to_cpu(counters->tx_packets);
data[1] = le64_to_cpu(counters->rx_packets);