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[4/5] cxgb3: Use VPD API in t3_seeprom_wp()

Message ID f768fdbe-3a16-d539-57d2-c7c908294336@gmail.com (mailing list archive)
State Accepted
Delegated to: Bjorn Helgaas
Headers show
Series PCI/VPD: Add and use pci_read/write_vpd_any() | expand

Commit Message

Heiner Kallweit Sept. 10, 2021, 6:25 a.m. UTC 
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(-)
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Patch

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)