[PATCH v3 02/16] can: m_can: Always acknowledge all interrupts

From: Markus Schneider-Pargmann
Date: Wed Mar 15 2023 - 07:07:07 EST


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@xxxxxxxxxxxx>
---
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