1 // SPDX-License-Identifier: GPL-2.0
8  * igc_poll_eerd_eewr_done - Poll for EEPROM read/write completion
12  * Polls the EEPROM status bit for either read or write completion based
17 	s32 ret_val = -IGC_ERR_NVM;  in igc_poll_eerd_eewr_done()
39  * igc_read_nvm_eerd - Reads EEPROM using EERD register
41  * @offset: offset of word in the EEPROM to read
42  * @words: number of words to read
43  * @data: word read from the EEPROM
49 	struct igc_nvm_info *nvm = &hw->nvm;  in igc_read_nvm_eerd()
56 	if (offset >= nvm->word_size || (words > (nvm->word_size - offset)) ||  in igc_read_nvm_eerd()
58 		hw_dbg("nvm parameter(s) out of bounds\n");  in igc_read_nvm_eerd()
59 		ret_val = -IGC_ERR_NVM;  in igc_read_nvm_eerd()
60 		goto out;  in igc_read_nvm_eerd()
75 out:  in igc_read_nvm_eerd()
80  * igc_read_mac_addr - Read device MAC address
93 		hw->mac.perm_addr[i] = (u8)(rar_low >> (i * 8));  in igc_read_mac_addr()
96 		hw->mac.perm_addr[i + 4] = (u8)(rar_high >> (i * 8));  in igc_read_mac_addr()
99 		hw->mac.addr[i] = hw->mac.perm_addr[i];  in igc_read_mac_addr()
105  * igc_validate_nvm_checksum - Validate EEPROM checksum
118 		ret_val = hw->nvm.ops.read(hw, i, 1, &nvm_data);  in igc_validate_nvm_checksum()
120 			hw_dbg("NVM Read Error\n");  in igc_validate_nvm_checksum()
121 			goto out;  in igc_validate_nvm_checksum()
128 		ret_val = -IGC_ERR_NVM;  in igc_validate_nvm_checksum()
129 		goto out;  in igc_validate_nvm_checksum()
132 out:  in igc_validate_nvm_checksum()
137  * igc_update_nvm_checksum - Update EEPROM checksum
151 		ret_val = hw->nvm.ops.read(hw, i, 1, &nvm_data);  in igc_update_nvm_checksum()
153 			hw_dbg("NVM Read Error while updating checksum.\n");  in igc_update_nvm_checksum()
154 			goto out;  in igc_update_nvm_checksum()
158 	checksum = (u16)NVM_SUM - checksum;  in igc_update_nvm_checksum()
159 	ret_val = hw->nvm.ops.write(hw, NVM_CHECKSUM_REG, 1, &checksum);  in igc_update_nvm_checksum()
163 out:  in igc_update_nvm_checksum()