diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/tg3.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/tg3.c | 83 |
1 files changed, 45 insertions, 38 deletions
diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index ff98a82b7bc4..5143cdd0eeca 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -715,7 +715,7 @@ static int tg3_ape_lock(struct tg3 *tp, int locknum) case TG3_APE_LOCK_GPIO: if (tg3_asic_rev(tp) == ASIC_REV_5761) return 0; - /* fall through */ + fallthrough; case TG3_APE_LOCK_GRC: case TG3_APE_LOCK_MEM: if (!tp->pci_fn) @@ -776,7 +776,7 @@ static void tg3_ape_unlock(struct tg3 *tp, int locknum) case TG3_APE_LOCK_GPIO: if (tg3_asic_rev(tp) == ASIC_REV_5761) return; - /* fall through */ + fallthrough; case TG3_APE_LOCK_GRC: case TG3_APE_LOCK_MEM: if (!tp->pci_fn) @@ -1586,7 +1586,7 @@ static int tg3_mdio_init(struct tg3 *tp) phydev->dev_flags |= PHY_BRCM_EXT_IBND_RX_ENABLE; if (tg3_flag(tp, RGMII_EXT_IBND_TX_EN)) phydev->dev_flags |= PHY_BRCM_EXT_IBND_TX_ENABLE; - /* fall through */ + fallthrough; case PHY_ID_RTL8211C: phydev->interface = PHY_INTERFACE_MODE_RGMII; break; @@ -2114,7 +2114,7 @@ static int tg3_phy_init(struct tg3 *tp) phy_support_asym_pause(phydev); break; } - /* fall through */ + fallthrough; case PHY_INTERFACE_MODE_MII: phy_set_max_speed(phydev, SPEED_100); phy_support_asym_pause(phydev); @@ -4390,7 +4390,7 @@ static int tg3_phy_autoneg_cfg(struct tg3 *tp, u32 advertise, u32 flowctrl) MII_TG3_DSP_TAP26_RMRXSTO | MII_TG3_DSP_TAP26_OPCSINPT; tg3_phydsp_write(tp, MII_TG3_DSP_TAP26, val); - /* Fall through */ + fallthrough; case ASIC_REV_5720: case ASIC_REV_5762: if (!tg3_phydsp_read(tp, MII_TG3_DSP_CH34TP2, &val)) @@ -4538,7 +4538,7 @@ static int tg3_phy_pull_config(struct tg3 *tp) tp->link_config.speed = SPEED_1000; break; } - /* Fall through */ + fallthrough; default: goto done; } @@ -5209,7 +5209,7 @@ static int tg3_fiber_aneg_smachine(struct tg3 *tp, if (ap->flags & (MR_AN_ENABLE | MR_RESTART_AN)) ap->state = ANEG_STATE_AN_ENABLE; - /* fall through */ + fallthrough; case ANEG_STATE_AN_ENABLE: ap->flags &= ~(MR_AN_COMPLETE | MR_PAGE_RX); if (ap->flags & MR_AN_ENABLE) { @@ -5239,7 +5239,7 @@ static int tg3_fiber_aneg_smachine(struct tg3 *tp, ret = ANEG_TIMER_ENAB; ap->state = ANEG_STATE_RESTART; - /* fall through */ + fallthrough; case ANEG_STATE_RESTART: delta = ap->cur_time - ap->link_time; if (delta > ANEG_STATE_SETTLE_TIME) @@ -5282,7 +5282,7 @@ static int tg3_fiber_aneg_smachine(struct tg3 *tp, ap->state = ANEG_STATE_ACK_DETECT; - /* fall through */ + fallthrough; case ANEG_STATE_ACK_DETECT: if (ap->ack_match != 0) { if ((ap->rxconfig & ~ANEG_CFG_ACK) == @@ -7221,8 +7221,8 @@ static inline void tg3_reset_task_schedule(struct tg3 *tp) static inline void tg3_reset_task_cancel(struct tg3 *tp) { - cancel_work_sync(&tp->reset_task); - tg3_flag_clear(tp, RESET_TASK_PENDING); + if (test_and_clear_bit(TG3_FLAG_RESET_TASK_PENDING, tp->tg3_flags)) + cancel_work_sync(&tp->reset_task); tg3_flag_clear(tp, TX_RECOVERY_PENDING); } @@ -10720,40 +10720,40 @@ static int tg3_reset_hw(struct tg3 *tp, bool reset_phy) switch (limit) { case 16: tw32(MAC_RCV_RULE_15, 0); tw32(MAC_RCV_VALUE_15, 0); - /* fall through */ + fallthrough; case 15: tw32(MAC_RCV_RULE_14, 0); tw32(MAC_RCV_VALUE_14, 0); - /* fall through */ + fallthrough; case 14: tw32(MAC_RCV_RULE_13, 0); tw32(MAC_RCV_VALUE_13, 0); - /* fall through */ + fallthrough; case 13: tw32(MAC_RCV_RULE_12, 0); tw32(MAC_RCV_VALUE_12, 0); - /* fall through */ + fallthrough; case 12: tw32(MAC_RCV_RULE_11, 0); tw32(MAC_RCV_VALUE_11, 0); - /* fall through */ + fallthrough; case 11: tw32(MAC_RCV_RULE_10, 0); tw32(MAC_RCV_VALUE_10, 0); - /* fall through */ + fallthrough; case 10: tw32(MAC_RCV_RULE_9, 0); tw32(MAC_RCV_VALUE_9, 0); - /* fall through */ + fallthrough; case 9: tw32(MAC_RCV_RULE_8, 0); tw32(MAC_RCV_VALUE_8, 0); - /* fall through */ + fallthrough; case 8: tw32(MAC_RCV_RULE_7, 0); tw32(MAC_RCV_VALUE_7, 0); - /* fall through */ + fallthrough; case 7: tw32(MAC_RCV_RULE_6, 0); tw32(MAC_RCV_VALUE_6, 0); - /* fall through */ + fallthrough; case 6: tw32(MAC_RCV_RULE_5, 0); tw32(MAC_RCV_VALUE_5, 0); - /* fall through */ + fallthrough; case 5: tw32(MAC_RCV_RULE_4, 0); tw32(MAC_RCV_VALUE_4, 0); - /* fall through */ + fallthrough; case 4: /* tw32(MAC_RCV_RULE_3, 0); tw32(MAC_RCV_VALUE_3, 0); */ case 3: @@ -10797,17 +10797,15 @@ static int tg3_init_hw(struct tg3 *tp, bool reset_phy) #ifdef CONFIG_TIGON3_HWMON static void tg3_sd_scan_scratchpad(struct tg3 *tp, struct tg3_ocir *ocir) { + u32 off, len = TG3_OCIR_LEN; int i; - for (i = 0; i < TG3_SD_NUM_RECS; i++, ocir++) { - u32 off = i * TG3_OCIR_LEN, len = TG3_OCIR_LEN; - + for (i = 0, off = 0; i < TG3_SD_NUM_RECS; i++, ocir++, off += len) { tg3_ape_scratchpad_read(tp, (u32 *) ocir, off, len); - off += len; if (ocir->signature != TG3_OCIR_SIG_MAGIC || !(ocir->version_flags & TG3_OCIR_FLAG_ACTIVE)) - memset(ocir, 0, TG3_OCIR_LEN); + memset(ocir, 0, len); } } @@ -11211,18 +11209,27 @@ static void tg3_reset_task(struct work_struct *work) tg3_halt(tp, RESET_KIND_SHUTDOWN, 0); err = tg3_init_hw(tp, true); - if (err) + if (err) { + tg3_full_unlock(tp); + tp->irq_sync = 0; + tg3_napi_enable(tp); + /* Clear this flag so that tg3_reset_task_cancel() will not + * call cancel_work_sync() and wait forever. + */ + tg3_flag_clear(tp, RESET_TASK_PENDING); + dev_close(tp->dev); goto out; + } tg3_netif_start(tp); -out: tg3_full_unlock(tp); if (!err) tg3_phy_start(tp); tg3_flag_clear(tp, RESET_TASK_PENDING); +out: rtnl_unlock(); } @@ -14000,7 +14007,7 @@ static int tg3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) case SIOCGMIIPHY: data->phy_id = tp->phy_addr; - /* fall through */ + fallthrough; case SIOCGMIIREG: { u32 mii_regval; @@ -17138,7 +17145,7 @@ static u32 tg3_calc_dma_bndry(struct tg3 *tp, u32 val) val |= DMA_RWCTRL_WRITE_BNDRY_64_PCIE; break; } - /* fallthrough */ + fallthrough; case 128: default: val &= ~DMA_RWCTRL_WRITE_BNDRY_DISAB_PCIE; @@ -17153,28 +17160,28 @@ static u32 tg3_calc_dma_bndry(struct tg3 *tp, u32 val) DMA_RWCTRL_WRITE_BNDRY_16); break; } - /* fallthrough */ + fallthrough; case 32: if (goal == BOUNDARY_SINGLE_CACHELINE) { val |= (DMA_RWCTRL_READ_BNDRY_32 | DMA_RWCTRL_WRITE_BNDRY_32); break; } - /* fallthrough */ + fallthrough; case 64: if (goal == BOUNDARY_SINGLE_CACHELINE) { val |= (DMA_RWCTRL_READ_BNDRY_64 | DMA_RWCTRL_WRITE_BNDRY_64); break; } - /* fallthrough */ + fallthrough; case 128: if (goal == BOUNDARY_SINGLE_CACHELINE) { val |= (DMA_RWCTRL_READ_BNDRY_128 | DMA_RWCTRL_WRITE_BNDRY_128); break; } - /* fallthrough */ + fallthrough; case 256: val |= (DMA_RWCTRL_READ_BNDRY_256 | DMA_RWCTRL_WRITE_BNDRY_256); @@ -18170,8 +18177,8 @@ static pci_ers_result_t tg3_io_error_detected(struct pci_dev *pdev, rtnl_lock(); - /* We probably don't have netdev yet */ - if (!netdev || !netif_running(netdev)) + /* Could be second call or maybe we don't have netdev yet */ + if (!netdev || tp->pcierr_recovery || !netif_running(netdev)) goto done; /* We needn't recover from permanent error */ |