Thread (8 messages) 8 messages, 4 authors, 2025-04-23

[PATCH net-next v2 3/4] bnxt_en: Remove unused field "ref_count" in struct bnxt_ulp

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From: Michael Chan <michael.chan@broadcom.com>
Date: 2025-04-17 17:25:32
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

Revision v2 of 13 in this series; 1 review trailer; landed in mainline as 5bccacb4cc32 on 2025-04-22.

Revisions (13)
  1. v1 [diff vs current]
  2. v1 [diff vs current]
  3. v2
  4. v1 [diff vs current]
  5. v2
  6. v1 [diff vs current]
  7. v1 [diff vs current]
  8. v1 [diff vs current]
  9. v2
  10. v3 [diff vs current]
  11. v4 [diff vs current]
  12. v1 [diff vs current]
  13. v2 current
From: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>

The "ref_count" field in struct bnxt_ulp is unused after
commit a43c26fa2e6c ("RDMA/bnxt_re: Remove the sriov config callback").
So we can just remove it now.

Reviewed-by: Somnath Kotur <redacted>
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c | 5 -----
 drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h | 1 -
 2 files changed, 6 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
index a8e930d5dbb0..238db9a1aebf 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.c
@@ -148,7 +148,6 @@ void bnxt_unregister_dev(struct bnxt_en_dev *edev)
 	struct net_device *dev = edev->net;
 	struct bnxt *bp = netdev_priv(dev);
 	struct bnxt_ulp *ulp;
-	int i = 0;
 
 	ulp = edev->ulp_tbl;
 	netdev_lock(dev);
@@ -164,10 +163,6 @@ void bnxt_unregister_dev(struct bnxt_en_dev *edev)
 	synchronize_rcu();
 	ulp->max_async_event_id = 0;
 	ulp->async_events_bmap = NULL;
-	while (atomic_read(&ulp->ref_count) != 0 && i < 10) {
-		msleep(100);
-		i++;
-	}
 	mutex_unlock(&edev->en_dev_lock);
 	netdev_unlock(dev);
 	return;
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h
index 7fa3b8d1ebd2..f6b5efb5e775 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h
@@ -50,7 +50,6 @@ struct bnxt_ulp {
 	unsigned long	*async_events_bmap;
 	u16		max_async_event_id;
 	u16		msix_requested;
-	atomic_t	ref_count;
 };
 
 struct bnxt_en_dev {
-- 
2.30.1
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