[PATCH net-next 03/12] bnxt_en: Add pci shutdown method.
From: Michael Chan <michael.chan@broadcom.com>
Date: 2017-04-04 22:14:41
Subsystem:
broadcom bnxt_en 50 gigabit ethernet driver, networking drivers, the rest · Maintainers:
Michael Chan, Pavan Chebbi, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Add pci shutdown method to put device in the proper WoL and power state. Signed-off-by: Michael Chan <michael.chan@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,
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1.8.3.1