netdev - [net-next 3/8] igc: Remove unneeded ICTXQMTC register

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Date:   Wed, 22 Jul 2020 14:31:45 -0700
From:   Tony Nguyen <anthony.l.nguyen@...el.com>
To:     davem@...emloft.net
Cc:     Sasha Neftin <sasha.neftin@...el.com>, netdev@...r.kernel.org,
        nhorman@...hat.com, sassmann@...hat.com,
        jeffrey.t.kirsher@...el.com, anthony.l.nguyen@...el.com,
        Aaron Brown <aaron.f.brown@...el.com>
Subject: [net-next 3/8] igc: Remove unneeded ICTXQMTC register

From: Sasha Neftin <sasha.neftin@...el.com>

Tx Queue Min Threshold Count register no applicable for the i225 device.
This patch comes to clean up it.

Signed-off-by: Sasha Neftin <sasha.neftin@...el.com>
Tested-by: Aaron Brown <aaron.f.brown@...el.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com>
---
 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 --
 3 files changed, 4 deletions(-)

diff --git a/drivers/net/ethernet/intel/igc/igc_mac.c b/drivers/net/ethernet/intel/igc/igc_mac.c
index 3a618e69514e..f85c8bcd7f70 100644
--- 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_hw *hw)
 	rd32(IGC_ICRXATC);
 	rd32(IGC_ICTXPTC);
 	rd32(IGC_ICTXATC);
-	rd32(IGC_ICTXQMTC);
 	rd32(IGC_ICRXDMTC);
 
 	rd32(IGC_RPTHC);
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index e620d7a78d05..6f86783836c5 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -3735,7 +3735,6 @@ void igc_update_stats(struct igc_adapter *adapter)
 	adapter->stats.icrxatc += rd32(IGC_ICRXATC);
 	adapter->stats.ictxptc += rd32(IGC_ICTXPTC);
 	adapter->stats.ictxatc += rd32(IGC_ICTXATC);
-	adapter->stats.ictxqmtc += rd32(IGC_ICTXQMTC);
 	adapter->stats.icrxdmtc += rd32(IGC_ICRXDMTC);
 
 	/* Fill out the OS statistics structure */
diff --git a/drivers/net/ethernet/intel/igc/igc_regs.h b/drivers/net/ethernet/intel/igc/igc_regs.h
index d6ed1b1ebcbc..23554d39ad18 100644
--- 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_ICTXQMTC		0x0411C  /* Tx Queue Min Threshold Count */
 #define IGC_ICRXDMTC		0x04120  /* Rx Descriptor Min Threshold Count */
 #define IGC_ICRXOC		0x04124  /* Receiver Overrun Count */
 
@@ -183,7 +182,6 @@
 #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_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 */
 #define IGC_RLPIC	0x0414C  /* EEE Rx LPI Count */
-- 
2.26.2