[U-Boot] [PATCH 1/3] net: e1000: Remove dead codes wrapped by #if 0
Bin Meng
bmeng.cn at gmail.com
Mon Nov 16 10:19:16 CET 2015
Remove those dead codes wrapped by #if 0 and #endif.
Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
---
drivers/net/e1000.c | 75 +----------------------------------------------------
drivers/net/e1000.h | 31 ----------------------
2 files changed, 1 insertion(+), 105 deletions(-)
diff --git a/drivers/net/e1000.c b/drivers/net/e1000.c
index 2ba03ed..508ebfb 100644
--- a/drivers/net/e1000.c
+++ b/drivers/net/e1000.c
@@ -551,43 +551,6 @@ static int32_t e1000_init_eeprom_params(struct e1000_hw *hw)
eeprom->use_eerd = true;
eeprom->use_eewr = false;
break;
-
- /* ich8lan does not support currently. if needed, please
- * add corresponding code and functions.
- */
-#if 0
- case e1000_ich8lan:
- {
- int32_t i = 0;
-
- eeprom->type = e1000_eeprom_ich8;
- eeprom->use_eerd = false;
- eeprom->use_eewr = false;
- eeprom->word_size = E1000_SHADOW_RAM_WORDS;
- uint32_t flash_size = E1000_READ_ICH_FLASH_REG(hw,
- ICH_FLASH_GFPREG);
- /* Zero the shadow RAM structure. But don't load it from NVM
- * so as to save time for driver init */
- if (hw->eeprom_shadow_ram != NULL) {
- for (i = 0; i < E1000_SHADOW_RAM_WORDS; i++) {
- hw->eeprom_shadow_ram[i].modified = false;
- hw->eeprom_shadow_ram[i].eeprom_word = 0xFFFF;
- }
- }
-
- hw->flash_base_addr = (flash_size & ICH_GFPREG_BASE_MASK) *
- ICH_FLASH_SECTOR_SIZE;
-
- hw->flash_bank_size = ((flash_size >> 16)
- & ICH_GFPREG_BASE_MASK) + 1;
- hw->flash_bank_size -= (flash_size & ICH_GFPREG_BASE_MASK);
-
- hw->flash_bank_size *= ICH_FLASH_SECTOR_SIZE;
-
- hw->flash_bank_size /= 2 * sizeof(uint16_t);
- break;
- }
-#endif
default:
break;
}
@@ -838,14 +801,6 @@ e1000_read_eeprom(struct e1000_hw *hw, uint16_t offset,
if (eeprom->use_eerd == true)
return e1000_read_eeprom_eerd(hw, offset, words, data);
- /* ich8lan does not support currently. if needed, please
- * add corresponding code and functions.
- */
-#if 0
- /* ICH EEPROM access is done via the ICH flash controller */
- if (eeprom->type == e1000_eeprom_ich8)
- return e1000_read_eeprom_ich8(hw, offset, words, data);
-#endif
/* Set up the SPI or Microwire EEPROM for bit-bang reading. We have
* acquired the EEPROM at this point, so any returns should relase it */
if (eeprom->type == e1000_eeprom_spi) {
@@ -1732,17 +1687,7 @@ e1000_init_hw(struct e1000_hw *hw, unsigned char enetaddr[6])
* occuring when accessing our register space */
E1000_WRITE_FLUSH(hw);
}
-#if 0
- /* Set the PCI priority bit correctly in the CTRL register. This
- * determines if the adapter gives priority to receives, or if it
- * gives equal priority to transmits and receives. Valid only on
- * 82542 and 82543 silicon.
- */
- if (hw->dma_fairness && hw->mac_type <= e1000_82543) {
- ctrl = E1000_READ_REG(hw, CTRL);
- E1000_WRITE_REG(hw, CTRL, ctrl | E1000_CTRL_PRIOR);
- }
-#endif
+
switch (hw->mac_type) {
case e1000_82545_rev_3:
case e1000_82546_rev_3:
@@ -1842,20 +1787,6 @@ e1000_init_hw(struct e1000_hw *hw, unsigned char enetaddr[6])
break;
}
-#if 0
- /* Clear all of the statistics registers (clear on read). It is
- * important that we do this after we have tried to establish link
- * because the symbol error count will increment wildly if there
- * is no link.
- */
- e1000_clear_hw_cntrs(hw);
-
- /* ICH8 No-snoop bits are opposite polarity.
- * Set to snoop by default after reset. */
- if (hw->mac_type == e1000_ich8lan)
- e1000_set_pci_ex_no_snoop(hw, PCI_EX_82566_SNOOP_ALL);
-#endif
-
if (hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER ||
hw->device_id == E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3) {
ctrl_ext = E1000_READ_REG(hw, CTRL_EXT);
@@ -5230,10 +5161,6 @@ _e1000_disable(struct e1000_hw *hw)
E1000_WRITE_REG(hw, RDH, 0);
E1000_WRITE_REG(hw, RDT, 0);
- /* put the card in its initial state */
-#if 0
- E1000_WRITE_REG(hw, CTRL, E1000_CTRL_RST);
-#endif
mdelay(10);
}
diff --git a/drivers/net/e1000.h b/drivers/net/e1000.h
index c851922..e46edcd 100644
--- a/drivers/net/e1000.h
+++ b/drivers/net/e1000.h
@@ -1093,11 +1093,6 @@ struct e1000_hw {
e1000_media_type media_type;
e1000_fc_type fc;
e1000_bus_type bus_type;
-#if 0
- e1000_bus_speed bus_speed;
- e1000_bus_width bus_width;
- uint32_t io_base;
-#endif
uint32_t asf_firmware_present;
#ifndef CONFIG_E1000_NO_NVM
uint32_t eeprom_semaphore_present;
@@ -1116,29 +1111,11 @@ struct e1000_hw {
uint32_t original_fc;
uint32_t txcw;
uint32_t autoneg_failed;
-#if 0
- uint32_t max_frame_size;
- uint32_t min_frame_size;
- uint32_t mc_filter_type;
- uint32_t num_mc_addrs;
- uint32_t collision_delta;
- uint32_t tx_packet_delta;
- uint32_t ledctl_default;
- uint32_t ledctl_mode1;
- uint32_t ledctl_mode2;
-#endif
uint16_t autoneg_advertised;
uint16_t pci_cmd_word;
uint16_t fc_high_water;
uint16_t fc_low_water;
uint16_t fc_pause_time;
-#if 0
- uint16_t current_ifs_val;
- uint16_t ifs_min_val;
- uint16_t ifs_max_val;
- uint16_t ifs_step_size;
- uint16_t ifs_ratio;
-#endif
uint16_t device_id;
uint16_t vendor_id;
uint16_t subsystem_id;
@@ -1149,9 +1126,6 @@ struct e1000_hw {
uint8_t forced_speed_duplex;
uint8_t wait_autoneg_complete;
uint8_t dma_fairness;
-#if 0
- uint8_t perm_mac_addr[NODE_ADDRESS_SIZE];
-#endif
bool disable_polarity_correction;
bool speed_downgraded;
bool get_link_status;
@@ -1162,11 +1136,6 @@ struct e1000_hw {
bool report_tx_early;
bool phy_reset_disable;
bool initialize_hw_bits_disable;
-#if 0
- bool adaptive_ifs;
- bool ifs_params_forced;
- bool in_ifs_mode;
-#endif
e1000_smart_speed smart_speed;
e1000_dsp_config dsp_config_state;
};
--
1.8.2.1
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