linux-kernel - [PATCH 6/7] can: m_can: Reset cached active

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Message-ID: <20240726195944.2414812-7-msp@baylibre.com>
Date: Fri, 26 Jul 2024 21:59:43 +0200
From: Markus Schneider-Pargmann <msp@...libre.com>
To: Chandrasekar Ramakrishnan <rcsekar@...sung.com>,
	Marc Kleine-Budde <mkl@...gutronix.de>,
	Vincent Mailhol <mailhol.vincent@...adoo.fr>,
	"David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Markus Schneider-Pargmann <msp@...libre.com>,
	Martin Hundebøll <martin@...nix.com>,
	Michal Kubiak <michal.kubiak@...el.com>,
	Simon Horman <horms@...nel.org>,
	Tony Lindgren <tony@...mide.com>,
	Judith Mendez <jm@...com>
Cc: Matthias Schiffer <matthias.schiffer@...tq-group.com>,
	Linux regression tracking <regressions@...mhuis.info>,
	linux-can@...r.kernel.org,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 6/7] can: m_can: Reset cached active_interrupts on start

To force writing the enabled interrupts, reset the active_interrupts
cache.

Fixes: 07f25091ca02 ("can: m_can: Implement receive coalescing")
Signed-off-by: Markus Schneider-Pargmann <msp@...libre.com>
---
 drivers/net/can/m_can/m_can.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index bf4a9ae76db9..7c9ad9f7174e 100644
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -1542,6 +1542,7 @@ static int m_can_chip_config(struct net_device *dev)
 		else
 			interrupts &= ~(IR_ERR_LEC_31X);
 	}
+	cdev->active_interrupts = 0;
 	m_can_interrupt_enable(cdev, interrupts);
 
 	/* route all interrupts to INT0 */
-- 
2.45.2