diff options
| -rw-r--r-- | drivers/net/ethernet/ti/icssg/icssg_prueth.c | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/ti/icssg/icssg_prueth.h | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/ti/icssg/icssg_stats.c | 4 |
3 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ti/icssg/icssg_prueth.c b/drivers/net/ethernet/ti/icssg/icssg_prueth.c index cb11635a8d12..6f0700d156e7 100644 --- a/drivers/net/ethernet/ti/icssg/icssg_prueth.c +++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.c @@ -1555,6 +1555,7 @@ static int prueth_probe(struct platform_device *pdev) } spin_lock_init(&prueth->vtbl_lock); + spin_lock_init(&prueth->stats_lock); /* setup netdev interfaces */ if (eth0_node) { ret = prueth_netdev_init(prueth, eth0_node); diff --git a/drivers/net/ethernet/ti/icssg/icssg_prueth.h b/drivers/net/ethernet/ti/icssg/icssg_prueth.h index 5473315ea204..e456a11c5d4e 100644 --- a/drivers/net/ethernet/ti/icssg/icssg_prueth.h +++ b/drivers/net/ethernet/ti/icssg/icssg_prueth.h @@ -297,6 +297,8 @@ struct prueth { int default_vlan; /** @vtbl_lock: Lock for vtbl in shared memory */ spinlock_t vtbl_lock; + /** @stats_lock: Lock for reading icssg stats */ + spinlock_t stats_lock; }; struct emac_tx_ts_response { diff --git a/drivers/net/ethernet/ti/icssg/icssg_stats.c b/drivers/net/ethernet/ti/icssg/icssg_stats.c index 8800bd3a8d07..6f0edae38ea2 100644 --- a/drivers/net/ethernet/ti/icssg/icssg_stats.c +++ b/drivers/net/ethernet/ti/icssg/icssg_stats.c @@ -26,6 +26,8 @@ void emac_update_hardware_stats(struct prueth_emac *emac) u32 val, reg; int i; + spin_lock(&prueth->stats_lock); + for (i = 0; i < ARRAY_SIZE(icssg_all_miig_stats); i++) { regmap_read(prueth->miig_rt, base + icssg_all_miig_stats[i].offset, @@ -51,6 +53,8 @@ void emac_update_hardware_stats(struct prueth_emac *emac) emac->pa_stats[i] += val; } } + + spin_unlock(&prueth->stats_lock); } void icssg_stats_work_handler(struct work_struct *work) |