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r8152: wake up the device before dumping the hw counter

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The device should be waked up from runtime suspend before dumping
the hw counter.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
hayeswang 2014-07-08 14:49:28 +08:00 committed by David S. Miller
parent 36beddc272
commit 0b03024491
1 changed files with 5 additions and 0 deletions
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5
drivers/net/usb/r8152.c
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@ -3204,8 +3204,13 @@ static void rtl8152_get_ethtool_stats(struct net_device *dev,
struct r8152 *tp = netdev_priv(dev);
struct tally_counter tally;
if (usb_autopm_get_interface(tp->intf) < 0)
return;
generic_ocp_read(tp, PLA_TALLYCNT, sizeof(tally), &tally, MCU_TYPE_PLA);
usb_autopm_put_interface(tp->intf);
data[0] = le64_to_cpu(tally.tx_packets);
data[1] = le64_to_cpu(tally.rx_packets);
data[2] = le64_to_cpu(tally.tx_errors);