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Date: Wed, 21 Dec 2022 16:25:23 +0100 From: Markus Schneider-Pargmann <msp@...libre.com> To: Marc Kleine-Budde <mkl@...gutronix.de>, Chandrasekar Ramakrishnan <rcsekar@...sung.com>, Wolfgang Grandegger <wg@...ndegger.com> Cc: Vincent MAILHOL <mailhol.vincent@...adoo.fr>, linux-can@...r.kernel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, Markus Schneider-Pargmann <msp@...libre.com> Subject: [PATCH 04/18] can: m_can: Always acknowledge all interrupts 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@...libre.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 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); -- 2.38.1
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