diff options
| author |   Hariprasad Shenai <hariprasad@chelsio.com> | 2015-08-04 14:36:19 +0530 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-08-04 01:24:35 -0700 |
| commit | d86bd29e0b31f30d5d85ab21385b59703ecc6464 (patch) | |
| tree | 91e4f51e8a64e77249d4424a854201448e65960e /drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | |
| parent | cxgb4: Add support to dump edc bist status (diff) | |
| download | linux-dev-d86bd29e0b31f30d5d85ab21385b59703ecc6464.tar.xz linux-dev-d86bd29e0b31f30d5d85ab21385b59703ecc6464.zip | |
cxgb4/cxgb4vf: read the correct bits of PL Who Am I register
Read the correct bits of PL Who Am I for the Source PF field which has
changed in T6
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index d582e175dfb6..27e87b6baa45 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -4551,6 +4551,32 @@ static void free_some_resources(struct adapter *adapter) NETIF_F_IPV6_CSUM | NETIF_F_HIGHDMA) #define SEGMENT_SIZE 128 +static int get_chip_type(struct pci_dev *pdev, u32 pl_rev) +{ + int ver, chip; + u16 device_id; + + /* Retrieve adapter's device ID */ + pci_read_config_word(pdev, PCI_DEVICE_ID, &device_id); + ver = device_id >> 12; + switch (ver) { + case CHELSIO_T4: + chip |= CHELSIO_CHIP_CODE(CHELSIO_T4, pl_rev); + break; + case CHELSIO_T5: + chip |= CHELSIO_CHIP_CODE(CHELSIO_T5, pl_rev); + break; + case CHELSIO_T6: + chip |= CHELSIO_CHIP_CODE(CHELSIO_T6, pl_rev); + break; + default: + dev_err(&pdev->dev, "Device %d is not supported\n", + device_id); + return -EINVAL; + } + return chip; +} + static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { int func, i, err, s_qpp, qpp, num_seg; @@ -4558,6 +4584,8 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) bool highdma = false; struct adapter *adapter = NULL; void __iomem *regs; + u32 whoami, pl_rev; + enum chip_type chip; printk_once(KERN_INFO "%s - version %s\n", DRV_DESC, DRV_VERSION); @@ -4586,7 +4614,11 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent) goto out_unmap_bar0; /* We control everything through one PF */ - func = SOURCEPF_G(readl(regs + PL_WHOAMI_A)); + whoami = readl(regs + PL_WHOAMI_A); + pl_rev = REV_G(readl(regs + PL_REV_A)); + chip = get_chip_type(pdev, pl_rev); + func = CHELSIO_CHIP_VERSION(chip) <= CHELSIO_T5 ? + SOURCEPF_G(whoami) : T6_SOURCEPF_G(whoami); if (func != ent->driver_data) { iounmap(regs); pci_disable_device(pdev); |