diff options
| author | Hariprasad Shenai <hariprasad@chelsio.com> | 2015-09-08 13:55:40 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-09-09 22:29:26 +0300 |
| commit | 2a485cf7db2815ca0d1510143d9126c4475aab39 (patch) | |
| tree | d846ee038c77bf2f8cc365a69755af182f56d68a /drivers | |
| parent | fd1754fb8afbd9cf4ea279d533414aa6577b7e60 (diff) | |
| download | linux-2a485cf7db2815ca0d1510143d9126c4475aab39.tar.xz | |
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: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 592a4d66169c..f5dcde27e402 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -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; |