From 51d979faa274d2a924907bdf59f88a216dcc19a9 Mon Sep 17 00:00:00 2001 From: hayeswang Date: Fri, 6 Feb 2015 11:30:47 +0800 Subject: [PATCH] r8152: check linking status with netif_carrier_ok Replace (tp->speed & LINK_STATUS) with netif_carrier_ok(). Signed-off-by: Hayes Wang Signed-off-by: David S. Miller --- drivers/net/usb/r8152.c | 23 +++++++++-------------- 1 file changed, 9 insertions(+), 14 deletions(-) diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index ff122fae6586..66678093db10 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -581,7 +581,6 @@ struct r8152 { u16 ocp_base; u8 *intr_buff; u8 version; - u8 speed; }; enum rtl_version { @@ -1157,12 +1156,12 @@ static void intr_callback(struct urb *urb) d = urb->transfer_buffer; if (INTR_LINK & __le16_to_cpu(d[0])) { - if (!(tp->speed & LINK_STATUS)) { + if (!netif_carrier_ok(tp->netdev)) { set_bit(RTL8152_LINK_CHG, &tp->flags); schedule_delayed_work(&tp->schedule, 0); } } else { - if (tp->speed & LINK_STATUS) { + if (netif_carrier_ok(tp->netdev)) { set_bit(RTL8152_LINK_CHG, &tp->flags); schedule_delayed_work(&tp->schedule, 0); } @@ -1894,7 +1893,7 @@ static void rtl8152_set_rx_mode(struct net_device *netdev) { struct r8152 *tp = netdev_priv(netdev); - if (tp->speed & LINK_STATUS) { + if (netif_carrier_ok(netdev)) { set_bit(RTL8152_SET_RX_MODE, &tp->flags); schedule_delayed_work(&tp->schedule, 0); } @@ -2918,21 +2917,20 @@ static void set_carrier(struct r8152 *tp) speed = rtl8152_get_speed(tp); if (speed & LINK_STATUS) { - if (!(tp->speed & LINK_STATUS)) { + if (!netif_carrier_ok(netdev)) { tp->rtl_ops.enable(tp); set_bit(RTL8152_SET_RX_MODE, &tp->flags); netif_carrier_on(netdev); rtl_start_rx(tp); } } else { - if (tp->speed & LINK_STATUS) { + if (netif_carrier_ok(netdev)) { netif_carrier_off(netdev); napi_disable(&tp->napi); tp->rtl_ops.disable(tp); napi_enable(&tp->napi); } } - tp->speed = speed; } static void rtl_work_func_t(struct work_struct *work) @@ -2964,7 +2962,7 @@ static void rtl_work_func_t(struct work_struct *work) /* don't schedule napi before linking */ if (test_bit(SCHEDULE_NAPI, &tp->flags) && - (tp->speed & LINK_STATUS)) { + netif_carrier_ok(tp->netdev)) { clear_bit(SCHEDULE_NAPI, &tp->flags); napi_schedule(&tp->napi); } @@ -2987,8 +2985,7 @@ static int rtl8152_open(struct net_device *netdev) if (res) goto out; - /* set speed to 0 to avoid autoresume try to submit rx */ - tp->speed = 0; + netif_carrier_off(netdev); res = usb_autopm_get_interface(tp->intf); if (res < 0) { @@ -3005,7 +3002,7 @@ static int rtl8152_open(struct net_device *netdev) cancel_delayed_work_sync(&tp->schedule); /* disable the tx/rx, if the workqueue has enabled them. */ - if (tp->speed & LINK_STATUS) + if (netif_carrier_ok(netdev)) tp->rtl_ops.disable(tp); } @@ -3014,7 +3011,6 @@ static int rtl8152_open(struct net_device *netdev) rtl8152_set_speed(tp, AUTONEG_ENABLE, tp->mii.supports_gmii ? SPEED_1000 : SPEED_100, DUPLEX_FULL); - tp->speed = 0; netif_carrier_off(netdev); netif_start_queue(netdev); set_bit(WORK_ENABLE, &tp->flags); @@ -3340,7 +3336,7 @@ static int rtl8152_resume(struct usb_interface *intf) rtl_runtime_suspend_enable(tp, false); clear_bit(SELECTIVE_SUSPEND, &tp->flags); set_bit(WORK_ENABLE, &tp->flags); - if (tp->speed & LINK_STATUS) + if (netif_carrier_ok(tp->netdev)) rtl_start_rx(tp); } else { tp->rtl_ops.up(tp); @@ -3348,7 +3344,6 @@ static int rtl8152_resume(struct usb_interface *intf) tp->mii.supports_gmii ? SPEED_1000 : SPEED_100, DUPLEX_FULL); - tp->speed = 0; netif_carrier_off(tp->netdev); set_bit(WORK_ENABLE, &tp->flags); } -- 2.20.1