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path: root/drivers/net/dsa/ocelot/felix_vsc9959.c
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Diffstat (limited to 'drivers/net/dsa/ocelot/felix_vsc9959.c')
-rw-r--r--drivers/net/dsa/ocelot/felix_vsc9959.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c
index 570d0204b7be..9c27b9b0128d 100644
--- a/drivers/net/dsa/ocelot/felix_vsc9959.c
+++ b/drivers/net/dsa/ocelot/felix_vsc9959.c
@@ -1886,6 +1886,8 @@ static void vsc9959_psfp_sgi_table_del(struct ocelot *ocelot,
static void vsc9959_psfp_counters_get(struct ocelot *ocelot, u32 index,
struct felix_stream_filter_counters *counters)
{
+ mutex_lock(&ocelot->stats_lock);
+
ocelot_rmw(ocelot, SYS_STAT_CFG_STAT_VIEW(index),
SYS_STAT_CFG_STAT_VIEW_M,
SYS_STAT_CFG);
@@ -1900,6 +1902,8 @@ static void vsc9959_psfp_counters_get(struct ocelot *ocelot, u32 index,
SYS_STAT_CFG_STAT_VIEW(index) |
SYS_STAT_CFG_STAT_CLEAR_SHOT(0x10),
SYS_STAT_CFG);
+
+ mutex_unlock(&ocelot->stats_lock);
}
static int vsc9959_psfp_filter_add(struct ocelot *ocelot, int port,