diff options
Diffstat (limited to 'drivers/net/usb/r8152.c')
-rw-r--r-- | drivers/net/usb/r8152.c | 86 |
1 files changed, 44 insertions, 42 deletions
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index e9654a6..f41a8ad 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -613,7 +613,7 @@ struct r8152 { struct list_head rx_done, tx_free; struct sk_buff_head tx_queue, rx_queue; spinlock_t rx_lock, tx_lock; - struct delayed_work schedule; + struct delayed_work schedule, hw_phy_work; struct mii_if_info mii; struct mutex control; /* use for hw setting */ #ifdef CONFIG_PM_SLEEP @@ -630,6 +630,7 @@ struct r8152 { int (*eee_get)(struct r8152 *, struct ethtool_eee *); int (*eee_set)(struct r8152 *, struct ethtool_eee *); bool (*in_nway)(struct r8152 *); + void (*hw_phy_cfg)(struct r8152 *); void (*autosuspend_en)(struct r8152 *tp, bool enable); } rtl_ops; @@ -639,8 +640,11 @@ struct r8152 { u32 tx_qlen; u32 coalesce; u16 ocp_base; + u16 speed; u8 *intr_buff; u8 version; + u8 duplex; + u8 autoneg; }; enum rtl_version { @@ -1820,7 +1824,7 @@ static int rx_bottom(struct r8152 *tp, int budget) pkt_len -= CRC_SIZE; rx_data += sizeof(struct rx_desc); - skb = netdev_alloc_skb_ip_align(netdev, pkt_len); + skb = napi_alloc_skb(&tp->napi, pkt_len); if (!skb) { stats->rx_dropped++; goto find_next_rx; @@ -2512,27 +2516,6 @@ static void rtl8153_runtime_enable(struct r8152 *tp, bool enable) } } -static void rtl_phy_reset(struct r8152 *tp) -{ - u16 data; - int i; - - data = r8152_mdio_read(tp, MII_BMCR); - - /* don't reset again before the previous one complete */ - if (data & BMCR_RESET) - return; - - data |= BMCR_RESET; - r8152_mdio_write(tp, MII_BMCR, data); - - for (i = 0; i < 50; i++) { - msleep(20); - if ((r8152_mdio_read(tp, MII_BMCR) & BMCR_RESET) == 0) - break; - } -} - static void r8153_teredo_off(struct r8152 *tp) { u32 ocp_data; @@ -2600,8 +2583,6 @@ static void r8152b_exit_oob(struct r8152 *tp) rxdy_gated_en(tp, true); r8153_teredo_off(tp); - r8152b_hw_phy_cfg(tp); - ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CRWECR, CRWECR_NORAML); ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, 0x00); @@ -2779,8 +2760,6 @@ static void r8153_first_init(struct r8152 *tp) ocp_data &= ~RCR_ACPT_ALL; ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); - r8153_hw_phy_cfg(tp); - rtl8152_nic_reset(tp); rtl_reset_bmu(tp); @@ -2916,7 +2895,6 @@ static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u16 speed, u8 duplex) u16 bmcr, anar, gbcr; int ret = 0; - cancel_delayed_work_sync(&tp->schedule); anar = r8152_mdio_read(tp, MII_ADVERTISE); anar &= ~(ADVERTISE_10HALF | ADVERTISE_10FULL | ADVERTISE_100HALF | ADVERTISE_100FULL); @@ -2976,7 +2954,7 @@ static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u16 speed, u8 duplex) bmcr = BMCR_ANENABLE | BMCR_ANRESTART; } - if (test_bit(PHY_RESET, &tp->flags)) + if (test_and_clear_bit(PHY_RESET, &tp->flags)) bmcr |= BMCR_RESET; if (tp->mii.supports_gmii) @@ -2985,7 +2963,7 @@ static int rtl8152_set_speed(struct r8152 *tp, u8 autoneg, u16 speed, u8 duplex) r8152_mdio_write(tp, MII_ADVERTISE, anar); r8152_mdio_write(tp, MII_BMCR, bmcr); - if (test_and_clear_bit(PHY_RESET, &tp->flags)) { + if (bmcr & BMCR_RESET) { int i; for (i = 0; i < 50; i++) { @@ -3135,15 +3113,33 @@ static void rtl_work_func_t(struct work_struct *work) netif_carrier_ok(tp->netdev)) napi_schedule(&tp->napi); - if (test_and_clear_bit(PHY_RESET, &tp->flags)) - rtl_phy_reset(tp); - mutex_unlock(&tp->control); out1: usb_autopm_put_interface(tp->intf); } +static void rtl_hw_phy_work_func_t(struct work_struct *work) +{ + struct r8152 *tp = container_of(work, struct r8152, hw_phy_work.work); + + if (test_bit(RTL8152_UNPLUG, &tp->flags)) + return; + + if (usb_autopm_get_interface(tp->intf) < 0) + return; + + mutex_lock(&tp->control); + + tp->rtl_ops.hw_phy_cfg(tp); + + rtl8152_set_speed(tp, tp->autoneg, tp->speed, tp->duplex); + + mutex_unlock(&tp->control); + + usb_autopm_put_interface(tp->intf); +} + #ifdef CONFIG_PM_SLEEP static int rtl_notifier(struct notifier_block *nb, unsigned long action, void *data) @@ -3180,8 +3176,6 @@ static int rtl8152_open(struct net_device *netdev) if (res) goto out; - netif_carrier_off(netdev); - res = usb_autopm_get_interface(tp->intf); if (res < 0) { free_all_mem(tp); @@ -3192,9 +3186,6 @@ static int rtl8152_open(struct net_device *netdev) tp->rtl_ops.up(tp); - rtl8152_set_speed(tp, AUTONEG_ENABLE, - tp->mii.supports_gmii ? SPEED_1000 : SPEED_100, - DUPLEX_FULL); netif_carrier_off(netdev); netif_start_queue(netdev); set_bit(WORK_ENABLE, &tp->flags); @@ -3618,6 +3609,7 @@ static int rtl8152_resume(struct usb_interface *intf) if (!test_bit(SELECTIVE_SUSPEND, &tp->flags)) { tp->rtl_ops.init(tp); + queue_delayed_work(system_long_wq, &tp->hw_phy_work, 0); netif_device_attach(tp->netdev); } @@ -3632,10 +3624,6 @@ static int rtl8152_resume(struct usb_interface *intf) napi_enable(&tp->napi); } else { tp->rtl_ops.up(tp); - rtl8152_set_speed(tp, AUTONEG_ENABLE, - tp->mii.supports_gmii ? - SPEED_1000 : SPEED_100, - DUPLEX_FULL); netif_carrier_off(tp->netdev); set_bit(WORK_ENABLE, &tp->flags); } @@ -3765,6 +3753,11 @@ static int rtl8152_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) mutex_lock(&tp->control); ret = rtl8152_set_speed(tp, cmd->autoneg, cmd->speed, cmd->duplex); + if (!ret) { + tp->autoneg = cmd->autoneg; + tp->speed = cmd->speed; + tp->duplex = cmd->duplex; + } mutex_unlock(&tp->control); @@ -4222,6 +4215,7 @@ static int rtl_ops_init(struct r8152 *tp) ops->eee_get = r8152_get_eee; ops->eee_set = r8152_set_eee; ops->in_nway = rtl8152_in_nway; + ops->hw_phy_cfg = r8152b_hw_phy_cfg; ops->autosuspend_en = rtl_runtime_suspend_enable; break; @@ -4238,6 +4232,7 @@ static int rtl_ops_init(struct r8152 *tp) ops->eee_get = r8153_get_eee; ops->eee_set = r8153_set_eee; ops->in_nway = rtl8153_in_nway; + ops->hw_phy_cfg = r8153_hw_phy_cfg; ops->autosuspend_en = rtl8153_runtime_enable; break; @@ -4285,6 +4280,7 @@ static int rtl8152_probe(struct usb_interface *intf, mutex_init(&tp->control); INIT_DELAYED_WORK(&tp->schedule, rtl_work_func_t); + INIT_DELAYED_WORK(&tp->hw_phy_work, rtl_hw_phy_work_func_t); netdev->netdev_ops = &rtl8152_netdev_ops; netdev->watchdog_timeo = RTL8152_TX_TIMEOUT; @@ -4324,9 +4320,14 @@ static int rtl8152_probe(struct usb_interface *intf, break; } + tp->autoneg = AUTONEG_ENABLE; + tp->speed = tp->mii.supports_gmii ? SPEED_1000 : SPEED_100; + tp->duplex = DUPLEX_FULL; + intf->needs_remote_wakeup = 1; tp->rtl_ops.init(tp); + queue_delayed_work(system_long_wq, &tp->hw_phy_work, 0); set_ethernet_addr(tp); usb_set_intfdata(intf, tp); @@ -4372,6 +4373,7 @@ static void rtl8152_disconnect(struct usb_interface *intf) netif_napi_del(&tp->napi); unregister_netdev(tp->netdev); + cancel_delayed_work_sync(&tp->hw_phy_work); tp->rtl_ops.unload(tp); free_netdev(tp->netdev); } |