From: Michal Swiatkowski <michal.swiatkowski@intel.com>
Date: Wed, 9 Oct 2019 07:09:46 -0700
Subject: ice: save PCI state in probe
Patch-mainline: v5.5-rc1
Git-commit: 4e56802e0ef3ed92cb28196ebd91d8fa6455c45f
References: jsc#SLE-7926

Save state to correct recovery memory and I/O BARs address
after PCI bus reset. Without this after reset kernel can't
read device registers.

Signed-off-by: Michal Swiatkowski <michal.swiatkowski@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/intel/ice/ice_main.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -3152,6 +3152,8 @@ ice_probe(struct pci_dev *pdev, const st
 
 	hw = &pf->hw;
 	hw->hw_addr = pcim_iomap_table(pdev)[ICE_BAR0];
+	pci_save_state(pdev);
+
 	hw->back = pf;
 	hw->vendor_id = pdev->vendor;
 	hw->device_id = pdev->device;