All of the chips that bitbang Microwire to access EEPROM appear to be
configured in the same way, so move common code into a separate
function and make use of it.

Signed-off-by: Andrey Smirnov <[email protected]>
---
 drivers/net/e1000/eeprom.c | 52 +++++++++++++++++++---------------------------
 1 file changed, 21 insertions(+), 31 deletions(-)

diff --git a/drivers/net/e1000/eeprom.c b/drivers/net/e1000/eeprom.c
index 89514eb..2e5d46e 100644
--- a/drivers/net/e1000/eeprom.c
+++ b/drivers/net/e1000/eeprom.c
@@ -275,6 +275,22 @@ static void e1000_eeprom_uses_spi(struct e1000_eeprom_info 
*eeprom,
        eeprom->use_eerd = false;
 }
 
+static void e1000_eeprom_uses_microwire(struct e1000_eeprom_info *eeprom,
+                                       uint32_t eecd)
+{
+       eeprom->type = e1000_eeprom_microwire;
+       eeprom->opcode_bits = 3;
+       eeprom->delay_usec = 50;
+       if (eecd & E1000_EECD_SIZE) {
+               eeprom->word_size = 256;
+               eeprom->address_bits = 8;
+       } else {
+               eeprom->word_size = 64;
+               eeprom->address_bits = 6;
+       }
+       eeprom->use_eerd = false;
+}
+
 
 /******************************************************************************
  * Sets up eeprom variables in the hw struct.  Must be called after mac_type
@@ -299,49 +315,23 @@ int32_t e1000_init_eeprom_params(struct e1000_hw *hw)
        case e1000_82542_rev2_1:
        case e1000_82543:
        case e1000_82544:
-               eeprom->type = e1000_eeprom_microwire;
-               eeprom->word_size = 64;
-               eeprom->opcode_bits = 3;
-               eeprom->address_bits = 6;
-               eeprom->delay_usec = 50;
-               eeprom->use_eerd = false;
+               e1000_eeprom_uses_microwire(eeprom, 0);
        break;
        case e1000_82540:
        case e1000_82545:
        case e1000_82545_rev_3:
        case e1000_82546:
        case e1000_82546_rev_3:
-               eeprom->type = e1000_eeprom_microwire;
-               eeprom->opcode_bits = 3;
-               eeprom->delay_usec = 50;
-               if (eecd & E1000_EECD_SIZE) {
-                       eeprom->word_size = 256;
-                       eeprom->address_bits = 8;
-               } else {
-                       eeprom->word_size = 64;
-                       eeprom->address_bits = 6;
-               }
-               eeprom->use_eerd = false;
+               e1000_eeprom_uses_microwire(eeprom, eecd);
                break;
        case e1000_82541:
        case e1000_82541_rev_2:
        case e1000_82547:
        case e1000_82547_rev_2:
-               if (eecd & E1000_EECD_TYPE) {
+               if (eecd & E1000_EECD_TYPE)
                        e1000_eeprom_uses_spi(eeprom, eecd);
-               } else {
-                       eeprom->type = e1000_eeprom_microwire;
-                       eeprom->opcode_bits = 3;
-                       eeprom->delay_usec = 50;
-                       if (eecd & E1000_EECD_ADDR_BITS) {
-                               eeprom->word_size = 256;
-                               eeprom->address_bits = 8;
-                       } else {
-                               eeprom->word_size = 64;
-                               eeprom->address_bits = 6;
-                       }
-               }
-               eeprom->use_eerd = false;
+               else
+                       e1000_eeprom_uses_microwire(eeprom, eecd);
                break;
        case e1000_82571:
        case e1000_82572:
-- 
2.5.5


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