Re: [wpan v3 1/6] net: ieee802154: hwsim: Ensure proper channel selection at probe time

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Hi Stefan,

stefan@xxxxxxxxxxxxxxxxxx wrote on Thu, 27 Jan 2022 08:33:15 +0100:

> Hello.
> 
> On 26.01.22 23:54, Alexander Aring wrote:
> > Hi,
> > 
> > On Wed, Jan 26, 2022 at 8:38 AM Stefan Schmidt
> > <stefan@xxxxxxxxxxxxxxxxxx> wrote:  
> >>
> >>
> >> Hello.
> >>
> >> On 25.01.22 17:48, Miquel Raynal wrote:  
> >>> Hi Stefan,
> >>>
> >>> stefan@xxxxxxxxxxxxxxxxxx wrote on Tue, 25 Jan 2022 15:28:11 +0100:
> >>>  
> >>>> Hello.
> >>>>
> >>>> On 25.01.22 13:14, Miquel Raynal wrote:  
> >>>>> Drivers are expected to set the PHY current_channel and current_page
> >>>>> according to their default state. The hwsim driver is advertising being
> >>>>> configured on channel 13 by default but that is not reflected in its own
> >>>>> internal pib structure. In order to ensure that this driver consider the
> >>>>> current channel as being 13 internally, we at least need to set the
> >>>>> pib->channel field to 13.
> >>>>>
> >>>>> Fixes: f25da51fdc38 ("ieee802154: hwsim: add replacement for fakelb")
> >>>>> Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
> >>>>> ---
> >>>>>     drivers/net/ieee802154/mac802154_hwsim.c | 1 +
> >>>>>     1 file changed, 1 insertion(+)
> >>>>>
> >>>>> diff --git a/drivers/net/ieee802154/mac802154_hwsim.c b/drivers/net/ieee802154/mac802154_hwsim.c
> >>>>> index 8caa61ec718f..00ec188a3257 100644
> >>>>> --- a/drivers/net/ieee802154/mac802154_hwsim.c
> >>>>> +++ b/drivers/net/ieee802154/mac802154_hwsim.c
> >>>>> @@ -786,6 +786,7 @@ static int hwsim_add_one(struct genl_info *info, struct device *dev,
> >>>>>              goto err_pib;
> >>>>>      }  
> >>>>>     > +      pib->page = 13;  
> >>>>
> >>>> You want to set channel not page here.  
> >>>
> >>> Oh crap /o\ I've messed that update badly. Of course I meant
> >>> pib->channel here, as it is in the commit log.
> >>>
> >>> I'll wait for Alexander's feedback before re-spinning. Unless the rest
> >>> looks good for you both, I don't know if your policy allows you to fix
> >>> it when applying, anyhow I'll do what is necessary.  
> >>
> >> If Alex has nothing else and there is no re-spin I fix this when
> >> applying, no worries.  
> > 
> > Everything is fine.
> > 
> > Acked-by: Alexander Aring <aahringo@xxxxxxxxxx>
> > 
> > On the whole series. Thanks.  
> 
> Fixed up this commit and applied the whole patchset.
> 
> Next one we should look at would be the 3 split out cleanup patches.

Great!

Thanks,
Miquèl



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