[PATCH net-next 03/12] bnxt_en: Add pci shutdown method.

[Michael Chan]

Add pci shutdown method to put device in the proper WoL and power state.

Signed-off-by: Michael Chan <michael.c...@broadcom.com>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c 
b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 70cc313..10a9cda 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -7617,6 +7617,10 @@ static int bnxt_init_one(struct pci_dev *pdev, const 
struct pci_device_id *ent)
                goto init_err_pci_clean;
 
        bnxt_get_wol_settings(bp);
+       if (bp->flags & BNXT_FLAG_WOL_CAP)
+               device_set_wakeup_enable(&pdev->dev, bp->wol);
+       else
+               device_set_wakeup_capable(&pdev->dev, false);
 
        rc = register_netdev(dev);
        if (rc)
@@ -7641,6 +7645,32 @@ static int bnxt_init_one(struct pci_dev *pdev, const 
struct pci_device_id *ent)
        return rc;
 }
 
+static void bnxt_shutdown(struct pci_dev *pdev)
+{
+       struct net_device *dev = pci_get_drvdata(pdev);
+       struct bnxt *bp;
+
+       if (!dev)
+               return;
+
+       rtnl_lock();
+       bp = netdev_priv(dev);
+       if (!bp)
+               goto shutdown_exit;
+
+       if (netif_running(dev))
+               dev_close(dev);
+
+       if (system_state == SYSTEM_POWER_OFF) {
+               bnxt_clear_int_mode(bp);
+               pci_wake_from_d3(pdev, bp->wol);
+               pci_set_power_state(pdev, PCI_D3hot);
+       }
+
+shutdown_exit:
+       rtnl_unlock();
+}
+
 /**
  * bnxt_io_error_detected - called when PCI error is detected
  * @pdev: Pointer to PCI device
@@ -7757,6 +7787,7 @@ static void bnxt_io_resume(struct pci_dev *pdev)
        .id_table       = bnxt_pci_tbl,
        .probe          = bnxt_init_one,
        .remove         = bnxt_remove_one,
+       .shutdown       = bnxt_shutdown,
        .err_handler    = &bnxt_err_handler,
 #if defined(CONFIG_BNXT_SRIOV)
        .sriov_configure = bnxt_sriov_configure,
-- 
1.8.3.1