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path: root/drivers/net/igb/e1000_nvm.c
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Diffstat (limited to 'drivers/net/igb/e1000_nvm.c')
-rw-r--r--drivers/net/igb/e1000_nvm.c36
1 files changed, 3 insertions, 33 deletions
diff --git a/drivers/net/igb/e1000_nvm.c b/drivers/net/igb/e1000_nvm.c
index a88bfe2f1e8f..d83b77fa4038 100644
--- a/drivers/net/igb/e1000_nvm.c
+++ b/drivers/net/igb/e1000_nvm.c
@@ -78,9 +78,7 @@ static void igb_shift_out_eec_bits(struct e1000_hw *hw, u16 data, u16 count)
u32 mask;
mask = 0x01 << (count - 1);
- if (nvm->type == e1000_nvm_eeprom_microwire)
- eecd &= ~E1000_EECD_DO;
- else if (nvm->type == e1000_nvm_eeprom_spi)
+ if (nvm->type == e1000_nvm_eeprom_spi)
eecd |= E1000_EECD_DO;
do {
@@ -220,22 +218,7 @@ static void igb_standby_nvm(struct e1000_hw *hw)
struct e1000_nvm_info *nvm = &hw->nvm;
u32 eecd = rd32(E1000_EECD);
- if (nvm->type == e1000_nvm_eeprom_microwire) {
- eecd &= ~(E1000_EECD_CS | E1000_EECD_SK);
- wr32(E1000_EECD, eecd);
- wrfl();
- udelay(nvm->delay_usec);
-
- igb_raise_eec_clk(hw, &eecd);
-
- /* Select EEPROM */
- eecd |= E1000_EECD_CS;
- wr32(E1000_EECD, eecd);
- wrfl();
- udelay(nvm->delay_usec);
-
- igb_lower_eec_clk(hw, &eecd);
- } else if (nvm->type == e1000_nvm_eeprom_spi) {
+ if (nvm->type == e1000_nvm_eeprom_spi) {
/* Toggle CS to flush commands */
eecd |= E1000_EECD_CS;
wr32(E1000_EECD, eecd);
@@ -263,12 +246,6 @@ static void e1000_stop_nvm(struct e1000_hw *hw)
/* Pull CS high */
eecd |= E1000_EECD_CS;
igb_lower_eec_clk(hw, &eecd);
- } else if (hw->nvm.type == e1000_nvm_eeprom_microwire) {
- /* CS on Microcwire is active-high */
- eecd &= ~(E1000_EECD_CS | E1000_EECD_DI);
- wr32(E1000_EECD, eecd);
- igb_raise_eec_clk(hw, &eecd);
- igb_lower_eec_clk(hw, &eecd);
}
}
@@ -304,14 +281,7 @@ static s32 igb_ready_nvm_eeprom(struct e1000_hw *hw)
u8 spi_stat_reg;
- if (nvm->type == e1000_nvm_eeprom_microwire) {
- /* Clear SK and DI */
- eecd &= ~(E1000_EECD_DI | E1000_EECD_SK);
- wr32(E1000_EECD, eecd);
- /* Set CS */
- eecd |= E1000_EECD_CS;
- wr32(E1000_EECD, eecd);
- } else if (nvm->type == e1000_nvm_eeprom_spi) {
+ if (nvm->type == e1000_nvm_eeprom_spi) {
/* Clear SK and CS */
eecd &= ~(E1000_EECD_CS | E1000_EECD_SK);
wr32(E1000_EECD, eecd);