On Mon, Mar 13, 2017 at 03:20:43PM -0400, Vivien Didelot wrote: > The ATU ageing time value programmed in the switch is rounded up to the > nearest multiple of its coefficient (variable depending on the model.) > > Add a debug message to inform the user about the exact programmed value. > > On 6352, "brctl setageing br0 18" gives "AgeTime set to 0x01 (15000 ms)" > while on 6390 we get "AgeTime set to 0x05 (18750 ms)". > > Signed-off-by: Vivien Didelot <vivien.dide...@savoirfairelinux.com> > --- > drivers/net/dsa/mv88e6xxx/global1_atu.c | 9 ++++++++- > 1 file changed, 8 insertions(+), 1 deletion(-) > > diff --git a/drivers/net/dsa/mv88e6xxx/global1_atu.c > b/drivers/net/dsa/mv88e6xxx/global1_atu.c > index f6cd3c939da4..bac34737b096 100644 > --- a/drivers/net/dsa/mv88e6xxx/global1_atu.c > +++ b/drivers/net/dsa/mv88e6xxx/global1_atu.c > @@ -65,7 +65,14 @@ int mv88e6xxx_g1_atu_set_age_time(struct mv88e6xxx_chip > *chip, > val &= ~0xff0; > val |= age_time << 4; > > - return mv88e6xxx_g1_write(chip, GLOBAL_ATU_CONTROL, val); > + err = mv88e6xxx_g1_write(chip, GLOBAL_ATU_CONTROL, val); > + if (err) > + return err; > + > + dev_dbg(chip->dev, "AgeTime set to 0x%02x (%d ms)\n", age_time, > + age_time * coeff); > +
Hi Vivien You could put the dev_dbg before the mv88e6xxx_g1_write(), to keep the code simpler. If this write fails, we expect a lot of other things to go horribly wrong, so having one debug message being not quite accurate is not important. Andrew