diff options
Diffstat (limited to 'drivers/net/ethernet/cavium/liquidio/octeon_device.c')
| -rw-r--r-- | drivers/net/ethernet/cavium/liquidio/octeon_device.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_device.c b/drivers/net/ethernet/cavium/liquidio/octeon_device.c index a8df493a5012..9675ffbf25e6 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_device.c +++ b/drivers/net/ethernet/cavium/liquidio/octeon_device.c @@ -1361,6 +1361,8 @@ void lio_enable_irq(struct octeon_droq *droq, struct octeon_instr_queue *iq) spin_lock_bh(&droq->lock); writel(droq->pkt_count, droq->pkts_sent_reg); droq->pkt_count = 0; + /* this write needs to be flushed before we release the lock */ + mmiowb(); spin_unlock_bh(&droq->lock); oct = droq->oct_dev; } @@ -1368,6 +1370,8 @@ void lio_enable_irq(struct octeon_droq *droq, struct octeon_instr_queue *iq) spin_lock_bh(&iq->lock); writel(iq->pkt_in_done, iq->inst_cnt_reg); iq->pkt_in_done = 0; + /* this write needs to be flushed before we release the lock */ + mmiowb(); spin_unlock_bh(&iq->lock); oct = iq->oct_dev; } |