From:   Markus Schneider-Pargmann <msp@baylibre.com>
To:     Marc Kleine-Budde <mkl@pengutronix.de>,
        Chandrasekar Ramakrishnan <rcsekar@samsung.com>,
        Wolfgang Grandegger <wg@grandegger.com>
Cc:     Vincent MAILHOL <mailhol.vincent@wanadoo.fr>,
        Simon Horman <simon.horman@corigine.com>,
        linux-can@vger.kernel.org, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        Markus Schneider-Pargmann <msp@baylibre.com>
Subject: [PATCH v3 02/16] can: m_can: Always acknowledge all interrupts
Date:   Wed, 15 Mar 2023 12:05:32 +0100
Message-Id: <20230315110546.2518305-3-msp@baylibre.com>
In-Reply-To: <20230315110546.2518305-1-msp@baylibre.com>
References: <20230315110546.2518305-1-msp@baylibre.com>
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The code already exits the function on !ir before this condition. No
need to check again if anything is set as IR_ALL_INT is 0xffffffff.

Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
---
 drivers/net/can/m_can/m_can.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index 563625a701fc..8eb327ae3bdf 100644
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -1083,8 +1083,7 @@ static irqreturn_t m_can_isr(int irq, void *dev_id)
 		return IRQ_NONE;
 
 	/* ACK all irqs */
-	if (ir & IR_ALL_INT)
-		m_can_write(cdev, M_CAN_IR, ir);
+	m_can_write(cdev, M_CAN_IR, ir);
 
 	if (cdev->ops->clear_interrupts)
 		cdev->ops->clear_interrupts(cdev);
-- 
2.39.2