Thread (3 messages) flat view 3 messages, 3 authors, 2021-08-29

Re: [PATCH net 1/1] atlantic: Fix driver resume flow.

From: Jakub Kicinski <kuba@kernel.org>
Date: 2021-08-28 00:23:07

On Fri, 27 Aug 2021 04:52:25 -0700 Sudarsana Reddy Kalluru wrote:
quoted hunk ↗ jump to hunk
Driver crashes when restoring from the Hibernate. In the resume flow,
driver need to clean up the older nic/vec objects and re-initialize them.

Fixes: 8aaa112a57c1d ("net: atlantic: refactoring pm logic")
Signed-off-by: Sudarsana Reddy Kalluru <skalluru@marvell.com>
Signed-off-by: Igor Russkikh <redacted>
---
 drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c | 3 +++
 1 file changed, 3 insertions(+)
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
index 59253846e885..f26d03735619 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
@@ -417,6 +417,9 @@ static int atl_resume_common(struct device *dev, bool deep)
 	pci_restore_state(pdev);
 
 	if (deep) {
+		/* Reinitialize Nic/Vecs objects */
+		aq_nic_deinit(nic, !nic->aq_hw->aq_nic_cfg->wol);
Why does the deinit() happen on resume, not suspend?
 		ret = aq_nic_init(nic);
 		if (ret)
 			goto err_exit;
  
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