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Commit 2a485cf7 authored by Hariprasad Shenai's avatar Hariprasad Shenai Committed by David S. Miller
Browse files

cxgb4: Fix for write-combining stats configuration 



The write-combining configuration register SGE_STAT_CFG_A needs to
be configured after FW initializes the adapter, else FW will reset
the configuration

Signed-off-by: default avatarHariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent fd1754fb

drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c

+5 −2
Original line number Diff line number Diff line
@@ -4719,8 +4719,6 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) 
			err = -ENOMEM;

			goto out_free_adapter;

		}

		t4_write_reg(adapter, SGE_STAT_CFG_A,

			     STATSOURCE_T5_V(7) | STATMODE_V(0));

	}



	setup_memwin(adapter);
@@ -4732,6 +4730,11 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) 
	if (err)

		goto out_unmap_bar;



	/* configure SGE_STAT_CFG_A to read WC stats */

	if (!is_t4(adapter->params.chip))

		t4_write_reg(adapter, SGE_STAT_CFG_A,

			     STATSOURCE_T5_V(7) | STATMODE_V(0));



	for_each_port(adapter, i) {

		struct net_device *netdev;