e1000e: limit EEPROM size accesses

Signed-off-by: Jeff Kirsher <[email protected]>
Signed-off-by: Auke Kok <[email protected]>
Signed-off-by: Jeff Garzik <[email protected]>
This commit is contained in:
Jeff Kirsher 2008-04-02 13:48:07 -07:00 • committed by Jeff Garzik
commit 8d7c294cae
2 changed files with 8 additions and 0 deletions

View file

@ -171,6 +171,10 @@ static s32 e1000_init_nvm_params_82571(struct e1000_hw *hw)
* for setting word_size.
*/
size += NVM_WORD_SIZE_BASE_SHIFT;
/* EEPROM access above 16k is unsupported */
if (size > 14)
size = 14;
nvm->word_size = 1 << size;
break;
}

View file

@ -178,6 +178,10 @@ static s32 e1000_init_nvm_params_80003es2lan(struct e1000_hw *hw)
* for setting word_size.
*/
size += NVM_WORD_SIZE_BASE_SHIFT;
/* EEPROM access above 16k is unsupported */
if (size > 14)
size = 14;
nvm->word_size = 1 << size;
return 0;