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cxgb3: Use VPD API in t3_seeprom_wp()

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Use standard VPD API to replace t3_seeprom_write(), this prepares for
removing this function. Chelsio T3 maps the EEPROM write protect flag
to an arbitrary place in VPD address space, therefore we have to use
pci_write_vpd_any().

Link: https://lore.kernel.org/r/f768fdbe-3a16-d539-57d2-c7c908294336@gmail.com
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Heiner Kallweit 2021-09-10 08:25:49 +02:00 committed by Bjorn Helgaas
parent 48225f1878
commit 43f3b61e37
1 changed files with 8 additions and 1 deletions
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9
drivers/net/ethernet/chelsio/cxgb3/t3_hw.c
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@ -642,7 +642,14 @@ int t3_seeprom_write(struct adapter *adapter, u32 addr, __le32 data)
*/
int t3_seeprom_wp(struct adapter *adapter, int enable)
{
return t3_seeprom_write(adapter, EEPROM_STAT_ADDR, enable ? 0xc : 0);
u32 data = enable ? 0xc : 0;
int ret;
/* EEPROM_STAT_ADDR is outside VPD area, use pci_write_vpd_any() */
ret = pci_write_vpd_any(adapter->pdev, EEPROM_STAT_ADDR, sizeof(u32),
&data);
return ret < 0 ? ret : 0;
}
static int vpdstrtouint(char *s, u8 len, unsigned int base, unsigned int *val)