Commit 99673d9b authored by Bruce Allan's avatar Bruce Allan Committed by David S. Miller
Browse files

e1000e: cleanup functions that clear hardware statistics



The e1000_clear_hw_cntrs_*() functions read the registers to clear them.
There is no reason to save the register contents so the temp variable can
be removed.

Signed-off-by: default avatarBruce Allan <bruce.w.allan@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3d5e33c9
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+34 −36
Original line number Diff line number Diff line
@@ -1613,44 +1613,42 @@ static s32 e1000_fix_nvm_checksum_82571(struct e1000_hw *hw)
 **/
static void e1000_clear_hw_cntrs_82571(struct e1000_hw *hw)
{
	u32 temp;

	e1000e_clear_hw_cntrs_base(hw);

	temp = er32(PRC64);
	temp = er32(PRC127);
	temp = er32(PRC255);
	temp = er32(PRC511);
	temp = er32(PRC1023);
	temp = er32(PRC1522);
	temp = er32(PTC64);
	temp = er32(PTC127);
	temp = er32(PTC255);
	temp = er32(PTC511);
	temp = er32(PTC1023);
	temp = er32(PTC1522);

	temp = er32(ALGNERRC);
	temp = er32(RXERRC);
	temp = er32(TNCRS);
	temp = er32(CEXTERR);
	temp = er32(TSCTC);
	temp = er32(TSCTFC);

	temp = er32(MGTPRC);
	temp = er32(MGTPDC);
	temp = er32(MGTPTC);

	temp = er32(IAC);
	temp = er32(ICRXOC);

	temp = er32(ICRXPTC);
	temp = er32(ICRXATC);
	temp = er32(ICTXPTC);
	temp = er32(ICTXATC);
	temp = er32(ICTXQEC);
	temp = er32(ICTXQMTC);
	temp = er32(ICRXDMTC);
	er32(PRC64);
	er32(PRC127);
	er32(PRC255);
	er32(PRC511);
	er32(PRC1023);
	er32(PRC1522);
	er32(PTC64);
	er32(PTC127);
	er32(PTC255);
	er32(PTC511);
	er32(PTC1023);
	er32(PTC1522);

	er32(ALGNERRC);
	er32(RXERRC);
	er32(TNCRS);
	er32(CEXTERR);
	er32(TSCTC);
	er32(TSCTFC);

	er32(MGTPRC);
	er32(MGTPDC);
	er32(MGTPTC);

	er32(IAC);
	er32(ICRXOC);

	er32(ICRXPTC);
	er32(ICRXATC);
	er32(ICTXPTC);
	er32(ICTXATC);
	er32(ICTXQEC);
	er32(ICTXQMTC);
	er32(ICRXDMTC);
}

static struct e1000_mac_operations e82571_mac_ops = {
+34 −36
Original line number Diff line number Diff line
@@ -1304,44 +1304,42 @@ static s32 e1000_write_kmrn_reg_80003es2lan(struct e1000_hw *hw, u32 offset,
 **/
static void e1000_clear_hw_cntrs_80003es2lan(struct e1000_hw *hw)
{
	u32 temp;

	e1000e_clear_hw_cntrs_base(hw);

	temp = er32(PRC64);
	temp = er32(PRC127);
	temp = er32(PRC255);
	temp = er32(PRC511);
	temp = er32(PRC1023);
	temp = er32(PRC1522);
	temp = er32(PTC64);
	temp = er32(PTC127);
	temp = er32(PTC255);
	temp = er32(PTC511);
	temp = er32(PTC1023);
	temp = er32(PTC1522);

	temp = er32(ALGNERRC);
	temp = er32(RXERRC);
	temp = er32(TNCRS);
	temp = er32(CEXTERR);
	temp = er32(TSCTC);
	temp = er32(TSCTFC);

	temp = er32(MGTPRC);
	temp = er32(MGTPDC);
	temp = er32(MGTPTC);

	temp = er32(IAC);
	temp = er32(ICRXOC);

	temp = er32(ICRXPTC);
	temp = er32(ICRXATC);
	temp = er32(ICTXPTC);
	temp = er32(ICTXATC);
	temp = er32(ICTXQEC);
	temp = er32(ICTXQMTC);
	temp = er32(ICRXDMTC);
	er32(PRC64);
	er32(PRC127);
	er32(PRC255);
	er32(PRC511);
	er32(PRC1023);
	er32(PRC1522);
	er32(PTC64);
	er32(PTC127);
	er32(PTC255);
	er32(PTC511);
	er32(PTC1023);
	er32(PTC1522);

	er32(ALGNERRC);
	er32(RXERRC);
	er32(TNCRS);
	er32(CEXTERR);
	er32(TSCTC);
	er32(TSCTFC);

	er32(MGTPRC);
	er32(MGTPDC);
	er32(MGTPTC);

	er32(IAC);
	er32(ICRXOC);

	er32(ICRXPTC);
	er32(ICRXATC);
	er32(ICTXPTC);
	er32(ICTXATC);
	er32(ICTXQEC);
	er32(ICTXQMTC);
	er32(ICRXDMTC);
}

static struct e1000_mac_operations es2_mac_ops = {
+11 −12
Original line number Diff line number Diff line
@@ -3402,24 +3402,23 @@ static s32 e1000_get_cfg_done_ich8lan(struct e1000_hw *hw)
 **/
static void e1000_clear_hw_cntrs_ich8lan(struct e1000_hw *hw)
{
	u32 temp;
	u16 phy_data;

	e1000e_clear_hw_cntrs_base(hw);

	temp = er32(ALGNERRC);
	temp = er32(RXERRC);
	temp = er32(TNCRS);
	temp = er32(CEXTERR);
	temp = er32(TSCTC);
	temp = er32(TSCTFC);
	er32(ALGNERRC);
	er32(RXERRC);
	er32(TNCRS);
	er32(CEXTERR);
	er32(TSCTC);
	er32(TSCTFC);

	temp = er32(MGTPRC);
	temp = er32(MGTPDC);
	temp = er32(MGTPTC);
	er32(MGTPRC);
	er32(MGTPDC);
	er32(MGTPTC);

	temp = er32(IAC);
	temp = er32(ICRXOC);
	er32(IAC);
	er32(ICRXOC);

	/* Clear PHY statistics registers */
	if ((hw->phy.type == e1000_phy_82578) ||
+37 −39
Original line number Diff line number Diff line
@@ -295,45 +295,43 @@ void e1000e_update_mc_addr_list_generic(struct e1000_hw *hw,
 **/
void e1000e_clear_hw_cntrs_base(struct e1000_hw *hw)
{
	u32 temp;

	temp = er32(CRCERRS);
	temp = er32(SYMERRS);
	temp = er32(MPC);
	temp = er32(SCC);
	temp = er32(ECOL);
	temp = er32(MCC);
	temp = er32(LATECOL);
	temp = er32(COLC);
	temp = er32(DC);
	temp = er32(SEC);
	temp = er32(RLEC);
	temp = er32(XONRXC);
	temp = er32(XONTXC);
	temp = er32(XOFFRXC);
	temp = er32(XOFFTXC);
	temp = er32(FCRUC);
	temp = er32(GPRC);
	temp = er32(BPRC);
	temp = er32(MPRC);
	temp = er32(GPTC);
	temp = er32(GORCL);
	temp = er32(GORCH);
	temp = er32(GOTCL);
	temp = er32(GOTCH);
	temp = er32(RNBC);
	temp = er32(RUC);
	temp = er32(RFC);
	temp = er32(ROC);
	temp = er32(RJC);
	temp = er32(TORL);
	temp = er32(TORH);
	temp = er32(TOTL);
	temp = er32(TOTH);
	temp = er32(TPR);
	temp = er32(TPT);
	temp = er32(MPTC);
	temp = er32(BPTC);
	er32(CRCERRS);
	er32(SYMERRS);
	er32(MPC);
	er32(SCC);
	er32(ECOL);
	er32(MCC);
	er32(LATECOL);
	er32(COLC);
	er32(DC);
	er32(SEC);
	er32(RLEC);
	er32(XONRXC);
	er32(XONTXC);
	er32(XOFFRXC);
	er32(XOFFTXC);
	er32(FCRUC);
	er32(GPRC);
	er32(BPRC);
	er32(MPRC);
	er32(GPTC);
	er32(GORCL);
	er32(GORCH);
	er32(GOTCL);
	er32(GOTCH);
	er32(RNBC);
	er32(RUC);
	er32(RFC);
	er32(ROC);
	er32(RJC);
	er32(TORL);
	er32(TORH);
	er32(TOTL);
	er32(TOTH);
	er32(TPR);
	er32(TPT);
	er32(MPTC);
	er32(BPTC);
}

/**