[PATCH v2 3/6] net: can: flexcan: Unlock the MB unconditionally

[Pankaj Bansal <pankaj.bansal@xxxxxxx>]

Unlock the MB irrespective of reception method being FIFO or
timestamp based.
It is optional but recommended to unlock Mailbox as soon as
possible and make it available for reception.

Signed-off-by: Pankaj Bansal <pankaj.bansal@xxxxxxx>
---

Notes:
    V2:
    - No change

 drivers/net/can/flexcan.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index 5053837cf2f3..755a761eef02 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -720,9 +720,13 @@ static unsigned int flexcan_mailbox_read(struct can_rx_offload *offload,
 			priv->write(BIT(n - 32), &regs->iflag2);
 	} else {
 		priv->write(FLEXCAN_IFLAG_RX_FIFO_AVAILABLE, &regs->iflag1);
-		priv->read(&regs->timer);
 	}
 
+	/* Read the Free Running Timer. It is optional but recommended to unlock
+	 * Mailbox as soon as possible and make it available for reception.
+	 */
+	priv->read(&regs->timer);
+
 	return 1;
 }
 
-- 
2.17.1

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