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

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
...@@ -4719,8 +4719,6 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) ...@@ -4719,8 +4719,6 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
err = -ENOMEM; err = -ENOMEM;
goto out_free_adapter; goto out_free_adapter;
} }
t4_write_reg(adapter, SGE_STAT_CFG_A,
STATSOURCE_T5_V(7) | STATMODE_V(0));
} }
setup_memwin(adapter); setup_memwin(adapter);
...@@ -4732,6 +4730,11 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) ...@@ -4732,6 +4730,11 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (err) if (err)
goto out_unmap_bar; 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) { for_each_port(adapter, i) {
struct net_device *netdev; struct net_device *netdev;
......
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