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bnxt_en: Improve device shutdown method.

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[ Upstream commit 5567ae4a8d ]

Especially when bnxt_shutdown() is called during kexec, we need to
disable MSIX and disable Bus Master to completely quiesce the device.
Make these 2 calls unconditionally in the shutdown method.

Fixes: c20dc142dd ("bnxt_en: Disable bus master during PCI shutdown and driver unload.")
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Vasundhara Volam
2020-02-20 17:26:34 -05:00
committed by Greg Kroah-Hartman
parent c360e05301
commit 7daf11d64b
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/broadcom/bnxt/bnxt.c
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@@ -11908,10 +11908,10 @@ static void bnxt_shutdown(struct pci_dev *pdev)
dev_close(dev);
bnxt_ulp_shutdown(bp);
bnxt_clear_int_mode(bp);
pci_disable_device(pdev);
if (system_state == SYSTEM_POWER_OFF) {
bnxt_clear_int_mode(bp);
pci_disable_device(pdev);
pci_wake_from_d3(pdev, bp->wol);
pci_set_power_state(pdev, PCI_D3hot);
}