mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-20 11:13:58 +08:00
e1000e: remove no longer used e1000e_read_nvm_spi
This function is no longer used now that 82573 uses the eerd read method as well. Thanks to Adrian Bunk for pointing this out. Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
parent
a9340b86f0
commit
67d204a532
@ -462,7 +462,6 @@ extern s32 e1000e_acquire_nvm(struct e1000_hw *hw);
|
||||
extern s32 e1000e_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
|
||||
extern s32 e1000e_update_nvm_checksum_generic(struct e1000_hw *hw);
|
||||
extern s32 e1000e_poll_eerd_eewr_done(struct e1000_hw *hw, int ee_reg);
|
||||
extern s32 e1000e_read_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
|
||||
extern s32 e1000e_read_nvm_eerd(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
|
||||
extern s32 e1000e_validate_nvm_checksum_generic(struct e1000_hw *hw);
|
||||
extern void e1000e_release_nvm(struct e1000_hw *hw);
|
||||
|
@ -1851,62 +1851,6 @@ static s32 e1000_ready_nvm_eeprom(struct e1000_hw *hw)
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* e1000e_read_nvm_spi - Reads EEPROM using SPI
|
||||
* @hw: pointer to the HW structure
|
||||
* @offset: offset of word in the EEPROM to read
|
||||
* @words: number of words to read
|
||||
* @data: word read from the EEPROM
|
||||
*
|
||||
* Reads a 16 bit word from the EEPROM.
|
||||
**/
|
||||
s32 e1000e_read_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
|
||||
{
|
||||
struct e1000_nvm_info *nvm = &hw->nvm;
|
||||
u32 i = 0;
|
||||
s32 ret_val;
|
||||
u16 word_in;
|
||||
u8 read_opcode = NVM_READ_OPCODE_SPI;
|
||||
|
||||
/* A check for invalid values: offset too large, too many words,
|
||||
* and not enough words. */
|
||||
if ((offset >= nvm->word_size) || (words > (nvm->word_size - offset)) ||
|
||||
(words == 0)) {
|
||||
hw_dbg(hw, "nvm parameter(s) out of bounds\n");
|
||||
return -E1000_ERR_NVM;
|
||||
}
|
||||
|
||||
ret_val = nvm->ops.acquire_nvm(hw);
|
||||
if (ret_val)
|
||||
return ret_val;
|
||||
|
||||
ret_val = e1000_ready_nvm_eeprom(hw);
|
||||
if (ret_val) {
|
||||
nvm->ops.release_nvm(hw);
|
||||
return ret_val;
|
||||
}
|
||||
|
||||
e1000_standby_nvm(hw);
|
||||
|
||||
if ((nvm->address_bits == 8) && (offset >= 128))
|
||||
read_opcode |= NVM_A8_OPCODE_SPI;
|
||||
|
||||
/* Send the READ command (opcode + addr) */
|
||||
e1000_shift_out_eec_bits(hw, read_opcode, nvm->opcode_bits);
|
||||
e1000_shift_out_eec_bits(hw, (u16)(offset*2), nvm->address_bits);
|
||||
|
||||
/* Read the data. SPI NVMs increment the address with each byte
|
||||
* read and will roll over if reading beyond the end. This allows
|
||||
* us to read the whole NVM from any offset */
|
||||
for (i = 0; i < words; i++) {
|
||||
word_in = e1000_shift_in_eec_bits(hw, 16);
|
||||
data[i] = (word_in >> 8) | (word_in << 8);
|
||||
}
|
||||
|
||||
nvm->ops.release_nvm(hw);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* e1000e_read_nvm_eerd - Reads EEPROM using EERD register
|
||||
* @hw: pointer to the HW structure
|
||||
|
Loading…
Reference in New Issue
Block a user