diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/can/ti_hecc.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c index d6a84f8ff863..6ea29126c60b 100644 --- a/drivers/net/can/ti_hecc.c +++ b/drivers/net/can/ti_hecc.c @@ -530,8 +530,9 @@ static unsigned int ti_hecc_mailbox_read(struct can_rx_offload *offload, u32 *timestamp, unsigned int mbxno) { struct ti_hecc_priv *priv = rx_offload_to_priv(offload); - u32 data; + u32 data, mbx_mask; + mbx_mask = BIT(mbxno); data = hecc_read_mbx(priv, mbxno, HECC_CANMID); if (data & HECC_CANMID_IDE) cf->can_id = (data & CAN_EFF_MASK) | CAN_EFF_FLAG; @@ -551,6 +552,7 @@ static unsigned int ti_hecc_mailbox_read(struct can_rx_offload *offload, } *timestamp = hecc_read_stamp(priv, mbxno); + hecc_write(priv, HECC_CANRMP, mbx_mask); return 1; } @@ -701,7 +703,6 @@ static irqreturn_t ti_hecc_interrupt(int irq, void *dev_id) while ((rx_pending = hecc_read(priv, HECC_CANRMP))) { can_rx_offload_irq_offload_timestamp(&priv->offload, rx_pending); - hecc_write(priv, HECC_CANRMP, rx_pending); } } |