[PATCH 5/7] cxgb4: Use pci_vpd_find_id_string() to find VPD id string
From: Heiner Kallweit <hkallweit1@gmail.com>
Date: 2021-08-26 18:58:38
Also in:
linux-pci
Subsystem:
cxgb4 ethernet driver (cxgb4), networking drivers, the rest · Maintainers:
Potnuri Bharat Teja, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Use new VPD API function pci_vpd_find_id_string() for finding the VPD id string. This simplifies the code and avoids using VPD low-level function pci_vpd_lrdt_size(). Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> --- drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | 13 +++++-------- 1 file 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 5e8ac42ac..64144b617 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);
--
2.33.0