From: Sasha Neftin <sasha.neftin@intel.com>
Date: Mon, 22 Jun 2020 10:20:17 +0300
Subject: igc: Remove unneeded variable
Patch-mainline: v5.9-rc1
Git-commit: d9f0c8e457c059cc72a3ff240aae48c0bf387988
References: jsc#SLE-13533
Though we are populating and tracking ictxqec, the value is not being used
for anything so remove it altogether and save the register read.
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/intel/igc/igc_hw.h | 1 -
drivers/net/ethernet/intel/igc/igc_mac.c | 1 -
drivers/net/ethernet/intel/igc/igc_main.c | 1 -
drivers/net/ethernet/intel/igc/igc_regs.h | 2 --
4 files changed, 5 deletions(-)
--- a/drivers/net/ethernet/intel/igc/igc_hw.h
+++ b/drivers/net/ethernet/intel/igc/igc_hw.h
@@ -280,7 +280,6 @@ struct igc_hw_stats {
u64 icrxatc;
u64 ictxptc;
u64 ictxatc;
- u64 ictxqec;
u64 ictxqmtc;
u64 icrxdmtc;
u64 icrxoc;
--- a/drivers/net/ethernet/intel/igc/igc_mac.c
+++ b/drivers/net/ethernet/intel/igc/igc_mac.c
@@ -301,7 +301,6 @@ void igc_clear_hw_cntrs_base(struct igc_
rd32(IGC_ICRXATC);
rd32(IGC_ICTXPTC);
rd32(IGC_ICTXATC);
- rd32(IGC_ICTXQEC);
rd32(IGC_ICTXQMTC);
rd32(IGC_ICRXDMTC);
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -3738,7 +3738,6 @@ void igc_update_stats(struct igc_adapter
adapter->stats.icrxatc += rd32(IGC_ICRXATC);
adapter->stats.ictxptc += rd32(IGC_ICTXPTC);
adapter->stats.ictxatc += rd32(IGC_ICTXATC);
- adapter->stats.ictxqec += rd32(IGC_ICTXQEC);
adapter->stats.ictxqmtc += rd32(IGC_ICTXQMTC);
adapter->stats.icrxdmtc += rd32(IGC_ICRXDMTC);
--- a/drivers/net/ethernet/intel/igc/igc_regs.h
+++ b/drivers/net/ethernet/intel/igc/igc_regs.h
@@ -63,7 +63,6 @@
#define IGC_ICRXATC 0x04108 /* Rx Absolute Timer Expire Count */
#define IGC_ICTXPTC 0x0410C /* Tx Packet Timer Expire Count */
#define IGC_ICTXATC 0x04110 /* Tx Absolute Timer Expire Count */
-#define IGC_ICTXQEC 0x04118 /* Tx Queue Empty Count */
#define IGC_ICTXQMTC 0x0411C /* Tx Queue Min Threshold Count */
#define IGC_ICRXDMTC 0x04120 /* Rx Descriptor Min Threshold Count */
#define IGC_ICRXOC 0x04124 /* Receiver Overrun Count */
@@ -184,7 +183,6 @@
#define IGC_IAC 0x04100 /* Interrupt Assertion Count */
#define IGC_ICTXPTC 0x0410C /* Interrupt Cause Tx Pkt Timer Expire Count */
#define IGC_ICTXATC 0x04110 /* Interrupt Cause Tx Abs Timer Expire Count */
-#define IGC_ICTXQEC 0x04118 /* Interrupt Cause Tx Queue Empty Count */
#define IGC_ICTXQMTC 0x0411C /* Interrupt Cause Tx Queue Min Thresh Count */
#define IGC_RPTHC 0x04104 /* Rx Packets To Host */
#define IGC_TLPIC 0x04148 /* EEE Tx LPI Count */