netdev - [PATCH net-next v2 4/9] r8169: move disabling interrupt coalescing to RTL8169/RTL8168 init

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Message-ID: <de461aca-0b84-4055-d4dc-e3980cb677db@gmail.com>
Date:   Wed, 28 Aug 2019 22:26:13 +0200
From:   Heiner Kallweit <hkallweit1@...il.com>
To:     Realtek linux nic maintainers <nic_swsd@...ltek.com>,
        David Miller <davem@...emloft.net>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Chun-Hao Lin <hau@...ltek.com>
Subject: [PATCH net-next v2 4/9] r8169: move disabling interrupt coalescing to
 RTL8169/RTL8168 init

RTL8125 doesn't support the same coalescing registers, therefore move
this initialization to the 8168/6169-specific init.

Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
---
 drivers/net/ethernet/realtek/r8169_main.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index 7d89826cb..dc799528f 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -5087,6 +5087,9 @@ static void rtl_hw_start_8168(struct rtl8169_private *tp)
 		RTL_W8(tp, MaxTxPacketSize, TxPacketMax);
 
 	rtl_hw_config(tp);
+
+	/* disable interrupt coalescing */
+	RTL_W16(tp, IntrMitigate, 0x0000);
 }
 
 static void rtl_hw_start_8169(struct rtl8169_private *tp)
@@ -5110,6 +5113,9 @@ static void rtl_hw_start_8169(struct rtl8169_private *tp)
 	rtl8169_set_magic_reg(tp, tp->mac_version);
 
 	RTL_W32(tp, RxMissed, 0);
+
+	/* disable interrupt coalescing */
+	RTL_W16(tp, IntrMitigate, 0x0000);
 }
 
 static void rtl_hw_start(struct  rtl8169_private *tp)
@@ -5128,8 +5134,6 @@ static void rtl_hw_start(struct  rtl8169_private *tp)
 	rtl_set_rx_tx_desc_registers(tp);
 	rtl_lock_config_regs(tp);
 
-	/* disable interrupt coalescing */
-	RTL_W16(tp, IntrMitigate, 0x0000);
 	/* Initially a 10 us delay. Turned it into a PCI commit. - FR */
 	RTL_R8(tp, IntrMask);
 	RTL_W8(tp, ChipCmd, CmdTxEnb | CmdRxEnb);
-- 
2.23.0