[dpdk-dev] [PATCH 50/70] net/e1000/base: clean up dead code

[Guinan Sun <guinanx.sun@intel.com>]

For i225 devices, the tag NO_I225_SUPPORT will never be defined, so
remove the tag and code that reside in the i225 family file.

Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Guinan Sun <guinanx.sun@intel.com>
---
 drivers/net/e1000/base/e1000_i225.c | 125 +---------------------------
 1 file changed, 1 insertion(+), 124 deletions(-)

diff --git a/drivers/net/e1000/base/e1000_i225.c b/drivers/net/e1000/base/e1000_i225.c
index 089bc7a2a..85f0a72b1 100644
--- a/drivers/net/e1000/base/e1000_i225.c
+++ b/drivers/net/e1000/base/e1000_i225.c
@@ -587,50 +587,6 @@ STATIC s32 __e1000_write_nvm_srwr(struct e1000_hw *hw, u16 offset, u16 words,
 	return ret_val;
 }
 
-/* e1000_read_invm_word_i225 - Reads OTP
- * @hw: pointer to the HW structure
- * @address: the word address (aka eeprom offset) to read
- * @data: pointer to the data read
- *
- * Reads 16-bit words from the OTP. Return error when the word is not
- * stored in OTP.
- */
-STATIC s32 e1000_read_invm_word_i225(struct e1000_hw *hw, u8 address, u16 *data)
-{
-	s32 status = -E1000_ERR_INVM_VALUE_NOT_FOUND;
-	u32 invm_dword;
-	u16 i;
-	u8 record_type, word_address;
-
-	DEBUGFUNC("e1000_read_invm_word_i225");
-
-	for (i = 0; i < E1000_INVM_SIZE; i++) {
-		invm_dword = E1000_READ_REG(hw, E1000_INVM_DATA_REG(i));
-		/* Get record type */
-		record_type = INVM_DWORD_TO_RECORD_TYPE(invm_dword);
-		if (record_type == e1000_invm_unitialized_structure)
-			break;
-		if (record_type == e1000_invm_csr_autoload_structure)
-			i += E1000_INVM_CSR_AUTOLOAD_DATA_SIZE_IN_DWORDS;
-		if (record_type == e1000_invm_rsa_key_sha256_structure)
-			i += E1000_INVM_RSA_KEY_SHA256_DATA_SIZE_IN_DWORDS;
-		if (record_type == e1000_invm_word_autoload_structure) {
-			word_address = INVM_DWORD_TO_WORD_ADDRESS(invm_dword);
-			if (word_address == address) {
-				*data = INVM_DWORD_TO_WORD_DATA(invm_dword);
-				DEBUGOUT2("Read INVM Word 0x%02x = %x",
-					  address, *data);
-				status = E1000_SUCCESS;
-				break;
-			}
-		}
-	}
-	if (status != E1000_SUCCESS)
-		DEBUGOUT1("Requested word 0x%02x not found in OTP\n", address);
-	return status;
-}
-
-#if defined(NVM_VERSION_SUPPORT) || defined(QV_RELEASE)
 /* e1000_read_invm_version_i225 - Reads iNVM version and image type
  * @hw: pointer to the HW structure
  * @invm_ver: version structure for the version read
@@ -727,7 +683,6 @@ s32 e1000_read_invm_version_i225(struct e1000_hw *hw,
 	return status;
 }
 
-#endif /* NVM_VERSION_SUPPORT or QV_RELEASE */
 /* e1000_validate_nvm_checksum_i225 - Validate EEPROM checksum
  * @hw: pointer to the HW structure
  *
@@ -1076,80 +1031,7 @@ STATIC s32 e1000_valid_led_default_i225(struct e1000_hw *hw, u16 *data)
 			break;
 		}
 	}
-#ifndef QV_RELEASE
 out:
-#endif /* QV_RELEASE */
-	return ret_val;
-}
-
-/* e1000_pll_workaround_i225
- * @hw: pointer to the HW structure
- *
- * Works around an errata in the PLL circuit where it occasionally
- * provides the wrong clock frequency after power up.
- */
-STATIC s32 e1000_pll_workaround_i225(struct e1000_hw *hw)
-{
-	s32 ret_val;
-	u32 wuc, mdicnfg, ctrl, ctrl_ext, reg_val;
-	u16 nvm_word, phy_word, pci_word, tmp_nvm;
-	int i;
-
-	/* Get PHY semaphore */
-	hw->phy.ops.acquire(hw);
-	/* Get and set needed register values */
-	wuc = E1000_READ_REG(hw, E1000_WUC);
-	mdicnfg = E1000_READ_REG(hw, E1000_MDICNFG);
-	reg_val = mdicnfg & ~E1000_MDICNFG_EXT_MDIO;
-	E1000_WRITE_REG(hw, E1000_MDICNFG, reg_val);
-
-	/* Get data from NVM, or set default */
-	ret_val = e1000_read_invm_word_i225(hw, E1000_INVM_AUTOLOAD,
-					    &nvm_word);
-	if (ret_val != E1000_SUCCESS)
-		nvm_word = E1000_INVM_DEFAULT_AL;
-	tmp_nvm = nvm_word | E1000_INVM_PLL_WO_VAL;
-	for (i = 0; i < E1000_MAX_PLL_TRIES; i++) {
-		/* check current state directly from internal PHY */
-		e1000_write_phy_reg_mdic(hw, GS40G_PAGE_SELECT, 0xFC);
-		usec_delay(20);
-		e1000_read_phy_reg_mdic(hw, E1000_PHY_PLL_FREQ_REG, &phy_word);
-		usec_delay(20);
-		e1000_write_phy_reg_mdic(hw, GS40G_PAGE_SELECT, 0);
-		if ((phy_word & E1000_PHY_PLL_UNCONF)
-		    != E1000_PHY_PLL_UNCONF) {
-			ret_val = E1000_SUCCESS;
-		} else {
-			ret_val = -E1000_ERR_PHY;
-		}
-		/* directly reset the internal PHY */
-		ctrl = E1000_READ_REG(hw, E1000_CTRL);
-		E1000_WRITE_REG(hw, E1000_CTRL, ctrl | E1000_CTRL_PHY_RST);
-
-		ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
-		ctrl_ext |= (E1000_CTRL_EXT_PHYPDEN | E1000_CTRL_EXT_SDLPE);
-		E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
-
-		E1000_WRITE_REG(hw, E1000_WUC, 0);
-		reg_val = (E1000_INVM_AUTOLOAD << 4) | (tmp_nvm << 16);
-		E1000_WRITE_REG(hw, E1000_EEARBC_I225, reg_val);
-
-		e1000_read_pci_cfg(hw, E1000_PCI_PMCSR, &pci_word);
-		pci_word |= E1000_PCI_PMCSR_D3;
-		e1000_write_pci_cfg(hw, E1000_PCI_PMCSR, &pci_word);
-		msec_delay(1);
-		pci_word &= ~E1000_PCI_PMCSR_D3;
-		e1000_write_pci_cfg(hw, E1000_PCI_PMCSR, &pci_word);
-		reg_val = (E1000_INVM_AUTOLOAD << 4) | (nvm_word << 16);
-		E1000_WRITE_REG(hw, E1000_EEARBC_I225, reg_val);
-
-		/* restore WUC register */
-		E1000_WRITE_REG(hw, E1000_WUC, wuc);
-	}
-	/* restore MDICNFG setting */
-	E1000_WRITE_REG(hw, E1000_MDICNFG, mdicnfg);
-	/* Release PHY semaphore */
-	hw->phy.ops.release(hw);
 	return ret_val;
 }
 
@@ -1191,12 +1073,7 @@ s32 e1000_init_hw_i225(struct e1000_hw *hw)
 	s32 ret_val;
 
 	DEBUGFUNC("e1000_init_hw_i225");
-	if ((hw->mac.type >= e1000_i225) &&
-	    !(e1000_get_flash_presence_i225(hw))) {
-		ret_val = e1000_pll_workaround_i225(hw);
-		if (ret_val != E1000_SUCCESS)
-			return ret_val;
-	}
+
 	hw->phy.ops.get_cfg_done = e1000_get_cfg_done_i225;
 	ret_val = e1000_init_hw_base(hw);
 	return ret_val;
-- 
2.17.1