netdev - [PATCH net-next] r8169: change irq handler to always trigger NAPI polling

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Message-ID: <adf47140-fff4-ca07-7ee2-b087fa98cff3@gmail.com>
Date:   Sun, 14 Apr 2019 11:48:39 +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>
Subject: [PATCH net-next] r8169: change irq handler to always trigger NAPI
 polling

This check isn't really needed and we can simplify the code and save
some CPU cycles by removing it. Only in case of an error none of these
bits are set, and calling the NAPI callback doesn't hurt in this case.

Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
---
 drivers/net/ethernet/realtek/r8169.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 68caa26f0..efaea1a0a 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -6380,10 +6380,8 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
 		set_bit(RTL_FLAG_TASK_RESET_PENDING, tp->wk.flags);
 	}
 
-	if (status & (RTL_EVENT_NAPI | LinkChg)) {
-		rtl_irq_disable(tp);
-		napi_schedule_irqoff(&tp->napi);
-	}
+	rtl_irq_disable(tp);
+	napi_schedule_irqoff(&tp->napi);
 out:
 	rtl_ack_events(tp, status);
 
-- 
2.21.0