[Intel-wired-lan] [PATCH S31 08/15] ice: save PCI state in probe

Tony Nguyen anthony.l.nguyen at intel.com
Wed Oct 9 14:09:46 UTC 2019


From: Michal Swiatkowski <michal.swiatkowski at intel.com>

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 at intel.com>
---
 drivers/net/ethernet/intel/ice/ice_main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 09a507e97f8f..57dcd6142a41 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -3345,6 +3345,8 @@ ice_probe(struct pci_dev *pdev, const struct pci_device_id __always_unused *ent)
 
 	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;
-- 
2.20.1



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