igc: Remove unused igc_acquire/release_nvm

igc_acquire_nvm() and igc_release_nvm() were added in 2018 as part of
commit ab4056126813 ("igc: Add NVM support")

but never used.

Remove them.

The igc_1225.c has it's own specific implementations.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://patch.msgid.link/20250102174142.200700-2-linux@treblig.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/intel/igc/igc_nvm.c b/drivers/net/ethernet/intel/igc/igc_nvm.c
index 58f81aba0144665ba09d2a0aaf08c02a77d95760..efd121c0396705e24ec1c5841420413f6d5b96a0 100644 (file)
--- a/drivers/net/ethernet/intel/igc/igc_nvm.c
+++ b/drivers/net/ethernet/intel/igc/igc_nvm.c
@@ -35,56 +35,6 @@ static s32 igc_poll_eerd_eewr_done(struct igc_hw *hw, int ee_reg)
        return ret_val;
 }
 
-/**
- * igc_acquire_nvm - Generic request for access to EEPROM
- * @hw: pointer to the HW structure
- *
- * Set the EEPROM access request bit and wait for EEPROM access grant bit.
- * Return successful if access grant bit set, else clear the request for
- * EEPROM access and return -IGC_ERR_NVM (-1).
- */
-s32 igc_acquire_nvm(struct igc_hw *hw)
-{
-       s32 timeout = IGC_NVM_GRANT_ATTEMPTS;
-       u32 eecd = rd32(IGC_EECD);
-       s32 ret_val = 0;
-
-       wr32(IGC_EECD, eecd | IGC_EECD_REQ);
-       eecd = rd32(IGC_EECD);
-
-       while (timeout) {
-               if (eecd & IGC_EECD_GNT)
-                       break;
-               udelay(5);
-               eecd = rd32(IGC_EECD);
-               timeout--;
-       }
-
-       if (!timeout) {
-               eecd &= ~IGC_EECD_REQ;
-               wr32(IGC_EECD, eecd);
-               hw_dbg("Could not acquire NVM grant\n");
-               ret_val = -IGC_ERR_NVM;
-       }
-
-       return ret_val;
-}
-
-/**
- * igc_release_nvm - Release exclusive access to EEPROM
- * @hw: pointer to the HW structure
- *
- * Stop any current commands to the EEPROM and clear the EEPROM request bit.
- */
-void igc_release_nvm(struct igc_hw *hw)
-{
-       u32 eecd;
-
-       eecd = rd32(IGC_EECD);
-       eecd &= ~IGC_EECD_REQ;
-       wr32(IGC_EECD, eecd);
-}
-
 /**
  * igc_read_nvm_eerd - Reads EEPROM using EERD register
  * @hw: pointer to the HW structure

diff --git a/drivers/net/ethernet/intel/igc/igc_nvm.h b/drivers/net/ethernet/intel/igc/igc_nvm.h
index f9fc2e9cfb0306942a4fae5efb20f46709a97434..ab78d0c645479c8b7700ee687686f788564c3b7c 100644 (file)
--- a/drivers/net/ethernet/intel/igc/igc_nvm.h
+++ b/drivers/net/ethernet/intel/igc/igc_nvm.h
@@ -4,8 +4,6 @@
 #ifndef _IGC_NVM_H_
 #define _IGC_NVM_H_
 
-s32 igc_acquire_nvm(struct igc_hw *hw);
-void igc_release_nvm(struct igc_hw *hw);
 s32 igc_read_mac_addr(struct igc_hw *hw);
 s32 igc_read_nvm_eerd(struct igc_hw *hw, u16 offset, u16 words, u16 *data);
 s32 igc_validate_nvm_checksum(struct igc_hw *hw);