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Message-ID: <a0291004-dda3-ea08-4d6c-a2f8826c8527@gmail.com>
Date: Fri, 10 Sep 2021 08:27:08 +0200
From: Heiner Kallweit <hkallweit1@...il.com>
To: Bjorn Helgaas <bhelgaas@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
David Miller <davem@...emloft.net>,
Raju Rangoju <rajur@...lsio.com>
Cc: "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: [PATCH 5/5] cxgb3: Remove seeprom_write and use VPD API
Using the VPD API allows to simplify the code and completely get
rid of t3_seeprom_write().
Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
---
drivers/net/ethernet/chelsio/cxgb3/common.h | 1 -
.../net/ethernet/chelsio/cxgb3/cxgb3_main.c | 11 ++----
drivers/net/ethernet/chelsio/cxgb3/t3_hw.c | 35 -------------------
3 files changed, 3 insertions(+), 44 deletions(-)
diff --git a/drivers/net/ethernet/chelsio/cxgb3/common.h b/drivers/net/ethernet/chelsio/cxgb3/common.h
index 56312f9ed..d115ec932 100644
--- a/drivers/net/ethernet/chelsio/cxgb3/common.h
+++ b/drivers/net/ethernet/chelsio/cxgb3/common.h
@@ -676,7 +676,6 @@ void t3_link_changed(struct adapter *adapter, int port_id);
void t3_link_fault(struct adapter *adapter, int port_id);
int t3_link_start(struct cphy *phy, struct cmac *mac, struct link_config *lc);
const struct adapter_info *t3_get_adapter_info(unsigned int board_id);
-int t3_seeprom_write(struct adapter *adapter, u32 addr, __le32 data);
int t3_seeprom_wp(struct adapter *adapter, int enable);
int t3_get_tp_version(struct adapter *adapter, u32 *vers);
int t3_check_tpsram_version(struct adapter *adapter);
diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
index d73339682..e185f5f24 100644
--- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
@@ -2054,7 +2054,6 @@ static int set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
struct port_info *pi = netdev_priv(dev);
struct adapter *adapter = pi->adapter;
u32 aligned_offset, aligned_len;
- __le32 *p;
u8 *buf;
int err;
@@ -2080,17 +2079,13 @@ static int set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
if (err)
goto out;
- for (p = (__le32 *) buf; !err && aligned_len; aligned_len -= 4, p++) {
- err = t3_seeprom_write(adapter, aligned_offset, *p);
- aligned_offset += 4;
- }
-
- if (!err)
+ err = pci_write_vpd(adapter->pdev, aligned_offset, aligned_len, buf);
+ if (err >= 0)
err = t3_seeprom_wp(adapter, 1);
out:
if (buf != data)
kfree(buf);
- return err;
+ return err < 0 ? err : 0;
}
static void get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
diff --git a/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c b/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c
index ec4b49ebe..cb85c2f21 100644
--- a/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c
@@ -595,44 +595,9 @@ struct t3_vpd {
u32 pad; /* for multiple-of-4 sizing and alignment */
};
-#define EEPROM_MAX_POLL 40
#define EEPROM_STAT_ADDR 0x4000
#define VPD_BASE 0xc00
-/**
- * t3_seeprom_write - write a VPD EEPROM location
- * @adapter: adapter to write
- * @addr: EEPROM address
- * @data: value to write
- *
- * Write a 32-bit word to a location in VPD EEPROM using the card's PCI
- * VPD ROM capability.
- */
-int t3_seeprom_write(struct adapter *adapter, u32 addr, __le32 data)
-{
- u16 val;
- int attempts = EEPROM_MAX_POLL;
- unsigned int base = adapter->params.pci.vpd_cap_addr;
-
- if ((addr >= EEPROMSIZE && addr != EEPROM_STAT_ADDR) || (addr & 3))
- return -EINVAL;
-
- pci_write_config_dword(adapter->pdev, base + PCI_VPD_DATA,
- le32_to_cpu(data));
- pci_write_config_word(adapter->pdev,base + PCI_VPD_ADDR,
- addr | PCI_VPD_ADDR_F);
- do {
- msleep(1);
- pci_read_config_word(adapter->pdev, base + PCI_VPD_ADDR, &val);
- } while ((val & PCI_VPD_ADDR_F) && --attempts);
-
- if (val & PCI_VPD_ADDR_F) {
- CH_ERR(adapter, "write to EEPROM address 0x%x failed\n", addr);
- return -EIO;
- }
- return 0;
-}
-
/**
* t3_seeprom_wp - enable/disable EEPROM write protection
* @adapter: the adapter
--
2.33.0
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