diff mbox series

[04/18] can: m_can: Always acknowledge all interrupts

Message ID 20221221152537.751564-5-msp@baylibre.com
State New
Headers
Series can: m_can: Optimizations for m_can/tcan part 2 |

Commit Message

Markus Schneider-Pargmann Dec. 21, 2022, 3:25 p.m. UTC 
  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 mbox series

Patch

diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index a43abc667757..4b387403a7c7 100644
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -1073,8 +1073,7 @@  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);