netdev - [PATCH] net: ks8851: Drop IRQ threading

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Date:   Fri, 16 Dec 2022 13:47:31 +0100
From:   Marek Vasut <marex@...x.de>
To:     netdev@...r.kernel.org
Cc:     Marek Vasut <marex@...x.de>,
        "David S. Miller" <davem@...emloft.net>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Eric Dumazet <edumazet@...gle.com>,
        Geoff Levand <geoff@...radead.org>,
        Jakub Kicinski <kuba@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Petr Machata <petrm@...dia.com>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>
Subject: [PATCH] net: ks8851: Drop IRQ threading

Request non-threaded IRQ in the KSZ8851 driver, this fixes the following warning:
"
NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!!
"

Signed-off-by: Marek Vasut <marex@...x.de>
---
Cc: "David S. Miller" <davem@...emloft.net>
Cc: Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc: Eric Dumazet <edumazet@...gle.com>
Cc: Geoff Levand <geoff@...radead.org>
Cc: Jakub Kicinski <kuba@...nel.org>
Cc: Linus Walleij <linus.walleij@...aro.org>
Cc: Paolo Abeni <pabeni@...hat.com>
Cc: Petr Machata <petrm@...dia.com>
Cc: Wolfram Sang <wsa+renesas@...g-engineering.com>
To: netdev@...r.kernel.org
---
 drivers/net/ethernet/micrel/ks8851_common.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/micrel/ks8851_common.c b/drivers/net/ethernet/micrel/ks8851_common.c
index cfbc900d4aeb9..1eba4ba0b95cf 100644
--- a/drivers/net/ethernet/micrel/ks8851_common.c
+++ b/drivers/net/ethernet/micrel/ks8851_common.c
@@ -443,9 +443,7 @@ static int ks8851_net_open(struct net_device *dev)
 	unsigned long flags;
 	int ret;
 
-	ret = request_threaded_irq(dev->irq, NULL, ks8851_irq,
-				   IRQF_TRIGGER_LOW | IRQF_ONESHOT,
-				   dev->name, ks);
+	ret = request_irq(dev->irq, ks8851_irq, IRQF_TRIGGER_LOW, dev->name, ks);
 	if (ret < 0) {
 		netdev_err(dev, "failed to get irq\n");
 		return ret;
-- 
2.35.1