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can: m_can: Always acknowledge all interrupts

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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>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/all/20230315110546.2518305-3-msp@baylibre.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Markus Schneider-Pargmann
2023-03-15 12:05:32 +01:00
committed by Marc Kleine-Budde
parent 73042934e4
commit 4ab6394809
1 changed files with 1 additions and 2 deletions
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drivers/net/can/m_can/m_can.c
+1 -2
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@@ -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);