Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753061AbaGHGuS (ORCPT ); Tue, 8 Jul 2014 02:50:18 -0400 Received: from rtits2.realtek.com ([60.250.210.242]:35946 "EHLO rtits2.realtek.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751271AbaGHGuQ (ORCPT ); Tue, 8 Jul 2014 02:50:16 -0400 X-SpamFilter-By: BOX Solutions SpamTrap 5.39 with qID s686oBpI019331, This message is accepted by code: ctloc85258 From: Hayes Wang To: CC: , , Hayes Wang Subject: [PATCH net] r8152: wake up the device before dumping the hw counter Date: Tue, 8 Jul 2014 14:49:28 +0800 Message-ID: <1394712342-15778-5-Taiwan-albertk@realtek.com> X-Mailer: Microsoft Office Outlook 11 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [172.21.71.44] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The device should be waked up from runtime suspend before dumping the hw counter. Signed-off-by: Hayes Wang --- drivers/net/usb/r8152.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 2543196..a795ecf 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -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); -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/