From db687a56e4f2796bae77ac3b21b930fabe5159cc Mon Sep 17 00:00:00 2001 From: Andrew Lunn Date: Sat, 20 Jun 2015 21:31:29 +0200 Subject: [PATCH] dsa: mv88x6xxx: Zero statistics counters Zero the statistics counters when setting up the global registers. Otherwise the counters will remain from the last boot if the power has not been removed. Signed-off-by: Andrew Lunn Signed-off-by: David S. Miller --- drivers/net/dsa/mv88e6xxx.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/dsa/mv88e6xxx.c b/drivers/net/dsa/mv88e6xxx.c index c938d7ce5215..fd8547c2b79d 100644 --- a/drivers/net/dsa/mv88e6xxx.c +++ b/drivers/net/dsa/mv88e6xxx.c @@ -2005,6 +2005,12 @@ int mv88e6xxx_setup_global(struct dsa_switch *ds) 0x9000 | (i << 8)); } + /* Clear the statistics counters for all ports */ + REG_WRITE(REG_GLOBAL, GLOBAL_STATS_OP, GLOBAL_STATS_OP_FLUSH_ALL); + + /* Wait for the flush to complete. */ + _mv88e6xxx_stats_wait(ds); + return 0; } -- 2.20.1