linux-kernel - [PATCH 05/15] can: m_can: Disable unused interrupts

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Date:   Wed, 16 Nov 2022 21:52:58 +0100
From:   Markus Schneider-Pargmann <msp@...libre.com>
To:     Chandrasekar Ramakrishnan <rcsekar@...sung.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        Wolfgang Grandegger <wg@...ndegger.com>
Cc:     linux-can@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Markus Schneider-Pargmann <msp@...libre.com>
Subject: [PATCH 05/15] can: m_can: Disable unused interrupts

There are a number of interrupts that are not used by the driver at the
moment. Disable all of these.

Signed-off-by: Markus Schneider-Pargmann <msp@...libre.com>
---
 drivers/net/can/m_can/m_can.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index 4a6972c8bacd..5c00c6162058 100644
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -1245,6 +1245,11 @@ static void m_can_chip_config(struct net_device *dev)
 	u32 cccr, test;
 	u32 interrupts = IR_ALL_INT;
 
+	/* Disable unused interrupts */
+	interrupts &= ~(IR_ARA | IR_ELO | IR_DRX | IR_TEFF | IR_TFE | IR_TCF |
+			IR_HPM | IR_RF1F | IR_RF1W | IR_RF1N | IR_RF0F |
+			IR_RF0W);
+
 	m_can_config_endisable(cdev, true);
 
 	/* RX Buffer/FIFO Element Size 64 bytes data field */
-- 
2.38.1