| Message ID | 20220201180629.93410-2-miquel.raynal@bootlin.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
| Series | ieee802154: Improve durations handling | expand |
Hello. On 01.02.22 19:06, Miquel Raynal wrote: > These periods are expressed in time units (microseconds) while 40 and 12 > are the number of symbol durations these periods will last. We need to > multiply them both with the symbol_duration in order to get these > values in microseconds. > > Fixes: ded845a781a5 ("ieee802154: Add CA8210 IEEE 802.15.4 device driver") > Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> > --- > drivers/net/ieee802154/ca8210.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c > index f3438d3e104a..2bc730fd260e 100644 > --- a/drivers/net/ieee802154/ca8210.c > +++ b/drivers/net/ieee802154/ca8210.c > @@ -2975,8 +2975,8 @@ static void ca8210_hw_setup(struct ieee802154_hw *ca8210_hw) > ca8210_hw->phy->cca.opt = NL802154_CCA_OPT_ENERGY_CARRIER_AND; > ca8210_hw->phy->cca_ed_level = -9800; > ca8210_hw->phy->symbol_duration = 16; > - ca8210_hw->phy->lifs_period = 40; > - ca8210_hw->phy->sifs_period = 12; > + ca8210_hw->phy->lifs_period = 40 * ca8210_hw->phy->symbol_duration; > + ca8210_hw->phy->sifs_period = 12 * ca8210_hw->phy->symbol_duration; > ca8210_hw->flags = > IEEE802154_HW_AFILT | > IEEE802154_HW_OMIT_CKSUM | > As mentioned in the discussion on the other thread I ripped this one out and applied it as fix to the wpan tree. Thanks! regards Stefan Schmidt
diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c index f3438d3e104a..2bc730fd260e 100644 --- a/drivers/net/ieee802154/ca8210.c +++ b/drivers/net/ieee802154/ca8210.c @@ -2975,8 +2975,8 @@ static void ca8210_hw_setup(struct ieee802154_hw *ca8210_hw) ca8210_hw->phy->cca.opt = NL802154_CCA_OPT_ENERGY_CARRIER_AND; ca8210_hw->phy->cca_ed_level = -9800; ca8210_hw->phy->symbol_duration = 16; - ca8210_hw->phy->lifs_period = 40; - ca8210_hw->phy->sifs_period = 12; + ca8210_hw->phy->lifs_period = 40 * ca8210_hw->phy->symbol_duration; + ca8210_hw->phy->sifs_period = 12 * ca8210_hw->phy->symbol_duration; ca8210_hw->flags = IEEE802154_HW_AFILT | IEEE802154_HW_OMIT_CKSUM |
These periods are expressed in time units (microseconds) while 40 and 12 are the number of symbol durations these periods will last. We need to multiply them both with the symbol_duration in order to get these values in microseconds. Fixes: ded845a781a5 ("ieee802154: Add CA8210 IEEE 802.15.4 device driver") Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> --- drivers/net/ieee802154/ca8210.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)