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authorHeiner Kallweit <hkallweit1@gmail.com>2021-08-26 20:56:22 +0200
committerBjorn Helgaas <bhelgaas@google.com>2021-08-31 16:09:38 -0500
commit24c521f81c305191a7c3938932ed7de1f157ff64 (patch)
tree07c5cc61ddda70911e554f2ddde729c581a3205c /drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
parentacfbb1b8a494d7bfd316dfb363a820e6df637e8d (diff)
cxgb4: Use pci_vpd_find_id_string() to find VPD ID string
Use pci_vpd_find_id_string() to find the VPD ID string. This simplifies the code and avoids the need for pci_vpd_lrdt_size(). Link: https://lore.kernel.org/r/19ea2e9b-6e94-288a-6612-88db01b1b417@gmail.com Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/t4_hw.c')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4_hw.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index 5e8ac42ac6ab..64144b6171d7 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -2744,7 +2744,7 @@ int t4_seeprom_wp(struct adapter *adapter, bool enable)
int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p)
{
unsigned int id_len, pn_len, sn_len, na_len;
- int sn, pn, na, addr, ret = 0;
+ int id, sn, pn, na, addr, ret = 0;
u8 *vpd, base_val = 0;
vpd = vmalloc(VPD_LEN);
@@ -2764,13 +2764,10 @@ int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p)
if (ret < 0)
goto out;
- if (vpd[0] != PCI_VPD_LRDT_ID_STRING) {
- dev_err(adapter->pdev_dev, "missing VPD ID string\n");
- ret = -EINVAL;
+ ret = pci_vpd_find_id_string(vpd, VPD_LEN, &id_len);
+ if (ret < 0)
goto out;
- }
-
- id_len = pci_vpd_lrdt_size(vpd);
+ id = ret;
ret = pci_vpd_check_csum(vpd, VPD_LEN);
if (ret) {
@@ -2796,7 +2793,7 @@ int t4_get_raw_vpd_params(struct adapter *adapter, struct vpd_params *p)
goto out;
na = ret;
- memcpy(p->id, vpd + PCI_VPD_LRDT_TAG_SIZE, min_t(int, id_len, ID_LEN));
+ memcpy(p->id, vpd + id, min_t(int, id_len, ID_LEN));
strim(p->id);
memcpy(p->sn, vpd + sn, min_t(int, sn_len, SERNUM_LEN));
strim(p->sn);