diff options
Diffstat (limited to 'drivers/net/ethernet/intel/igc/igc_main.c')
| -rw-r--r-- | drivers/net/ethernet/intel/igc/igc_main.c | 39 |
1 files changed, 24 insertions, 15 deletions
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index 95323095094d..ed2d66bc2d6c 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -149,6 +149,9 @@ static void igc_release_hw_control(struct igc_adapter *adapter) struct igc_hw *hw = &adapter->hw; u32 ctrl_ext; + if (!pci_device_is_present(adapter->pdev)) + return; + /* Let firmware take over control of h/w */ ctrl_ext = rd32(IGC_CTRL_EXT); wr32(IGC_CTRL_EXT, @@ -232,6 +235,8 @@ static void igc_clean_tx_ring(struct igc_ring *tx_ring) igc_unmap_tx_buffer(tx_ring->dev, tx_buffer); } + tx_buffer->next_to_watch = NULL; + /* move us one more past the eop_desc for start of next pkt */ tx_buffer++; i++; @@ -4447,26 +4452,29 @@ void igc_down(struct igc_adapter *adapter) igc_ptp_suspend(adapter); - /* disable receives in the hardware */ - rctl = rd32(IGC_RCTL); - wr32(IGC_RCTL, rctl & ~IGC_RCTL_EN); - /* flush and sleep below */ - + if (pci_device_is_present(adapter->pdev)) { + /* disable receives in the hardware */ + rctl = rd32(IGC_RCTL); + wr32(IGC_RCTL, rctl & ~IGC_RCTL_EN); + /* flush and sleep below */ + } /* set trans_start so we don't get spurious watchdogs during reset */ netif_trans_update(netdev); netif_carrier_off(netdev); netif_tx_stop_all_queues(netdev); - /* disable transmits in the hardware */ - tctl = rd32(IGC_TCTL); - tctl &= ~IGC_TCTL_EN; - wr32(IGC_TCTL, tctl); - /* flush both disables and wait for them to finish */ - wrfl(); - usleep_range(10000, 20000); + if (pci_device_is_present(adapter->pdev)) { + /* disable transmits in the hardware */ + tctl = rd32(IGC_TCTL); + tctl &= ~IGC_TCTL_EN; + wr32(IGC_TCTL, tctl); + /* flush both disables and wait for them to finish */ + wrfl(); + usleep_range(10000, 20000); - igc_irq_disable(adapter); + igc_irq_disable(adapter); + } adapter->flags &= ~IGC_FLAG_NEED_LINK_UPDATE; @@ -5487,7 +5495,7 @@ static bool validate_schedule(struct igc_adapter *adapter, if (e->command != TC_TAPRIO_CMD_SET_GATES) return false; - for (i = 0; i < IGC_MAX_TX_QUEUES; i++) { + for (i = 0; i < adapter->num_tx_queues; i++) { if (e->gate_mask & BIT(i)) queue_uses[i]++; @@ -5544,7 +5552,7 @@ static int igc_save_qbv_schedule(struct igc_adapter *adapter, end_time += e->interval; - for (i = 0; i < IGC_MAX_TX_QUEUES; i++) { + for (i = 0; i < adapter->num_tx_queues; i++) { struct igc_ring *ring = adapter->tx_ring[i]; if (!(e->gate_mask & BIT(i))) @@ -6054,6 +6062,7 @@ err_sw_init: err_ioremap: free_netdev(netdev); err_alloc_etherdev: + pci_disable_pcie_error_reporting(pdev); pci_release_mem_regions(pdev); err_pci_reg: err_dma: |