[PATCH 4/5] cxgb3: Use VPD API in t3_seeprom_wp()
From: Heiner Kallweit <hkallweit1@gmail.com>
Date: 2021-09-10 06:28:29
Also in:
netdev
Subsystem:
cxgb3 ethernet driver (cxgb3), networking drivers, the rest · Maintainers:
Potnuri Bharat Teja, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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(). Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> --- drivers/net/ethernet/chelsio/cxgb3/t3_hw.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c b/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c
index 4ecf40b02..ec4b49ebe 100644
--- a/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c@@ -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)
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2.33.0