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Re: [PATCH v9] Add new mac80211 driver mwlwifi.

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On Wednesday 21 November 2018 09:24:55 Rafał Miłecki wrote:
> On Wed, 8 Feb 2017 at 08:55, David Lin <dlin@xxxxxxxxxxx> wrote:
> > > From: Rafał Miłecki [mailto:zajec5@xxxxxxxxx] worte:
> > > On 8 February 2017 at 08:28, David Lin <dlin@xxxxxxxxxxx> wrote:
> > > >> From: Rafał Miłecki [mailto:zajec5@xxxxxxxxx] worte:
> > > >> Sent: Wednesday, February 08, 2017 3:24 PM On 8 February 2017 at
> > > >> 07:30, David Lin <dlin@xxxxxxxxxxx> wrote:
> > > >> > steve.derosier@xxxxxxxxx [mailto:steve.derosier@xxxxxxxxx] wrote:
> > > >> >> On Tue, Feb 7, 2017 at 10:15 PM, David Lin <dlin@xxxxxxxxxxx> wrote:
> > > >> >> >> Rafał Miłecki [mailto:zajec5@xxxxxxxxx] wrote:
> > > >> >> >> Please use ieee80211-freq-limit:
> > > >> >> >> https://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git
> > > >> >> >> /co
> > > >> >> >> mmi
> > > >> >> >> t/?id=b3
> > > >> >> >> 30b25eaabda00d74e47566d9200907da381896
> > > >> >> >>
> > > >> >> >> Most likely with wiphy_read_of_freq_limits helper:
> > > >> >> >> https://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git
> > > >> >> >> /co
> > > >> >> >> mmi
> > > >> >> >> t/?id=e6
> > > >> >> >> 91ac2f75b69bee743f0370d79454ba4429b175
> > > >> >> >
> > > >> >> > I already replied meaning of these parameters:
> > > >> >> > <marvell,2ghz> is used to disable 2g band.
> > > >> >> > <marvell,5ghz> is used to disable 5g band.
> > > >> >> > <marvell, chainmask> is used to specify antenna number (if
> > > >> >> > default number
> > > >> >> is suitable for you, there is no need to use this parameter).
> > > >> >> > <marvell,powertable> should not be used for chip with device
> > > >> >> > power
> > > >> table.
> > > >> >> In fact, this parameter should not be used any more.
> > > >> >> >
> > > >> >>
> > > >> >> David, I think you're not understanding the comment, or at least
> > > >> >> that's what it looks like to me. Yes, you did reply as to the meaning.
> > > >> >> And, your reply, while informative, didn't tell us you understood
> > > >> >> and were willing to fix the problem. I doubt you meant it this
> > > >> >> way, but it feels defensive and like a brush-off.
> > > >> >>
> > > >> >> First off, you will still have to document any DT bindings you're
> > > >> >> adding. Just because you answer the question in the review doesn't
> > > >> >> mean you're not responsible for doing so.
> > > >> >>
> > > >> >> And second off, I think that Rafal (and sorry about my spelling,
> > > >> >> looks like there's some sort of accent on the l that I don't know
> > > >> >> how to make my keyboard do) is saying: there's already some
> > > >> >> generic bindings that can be used to disable the 2g or 5g bands.
> > > >> >> Granted they're even newer than your patch, but I do think if said
> > > >> >> bindings exist and
> > > >> are appropriate, you should use them.
> > > >> >>
> > > >> >> - Steve
> > > >> >
> > > >> > These parameters are marvell proprietary parameters, I don't think
> > > >> > it should
> > > >> be added to DT bindings.
> > > >>
> > > >> Steve is correct.
> > > >>
> > > >> You have to document new properties, just because they are Marvell
> > > >> specific doesn't change anything. You just document them in a proper
> > > place.
> > > >>
> > > >
> > > > All right. I will do that.
> > > >
> > > >>
> > > >> > BTW, <marvell,2ghz> and <marvell,5ghz> are only used for mwlwifi to
> > > >> > report
> > > >> supported bands, it is not related to limitation of frequency.
> > > >>
> > > >> How reporting a single band doesn't limit reported frequencies? You
> > > >> can achieve exactly the same using generic property, so there is no
> > > >> place for Marvell specific ones.
> > > >>
> > > >> In fact there were drivers of 3 vendors requiring band/freq-related
> > > >> description in DT: Broadcom, Marvell & Mediatek. This property was
> > > >> discussed & designed to support all limitation cases we found
> > > >> possible to make it usable with
> > > >> (hopefully) all drivers.
> > > >>
> > > >
> > > > I only need simple way to disable 2g or 5g band. I will follow your suggestion
> > > to document these marvell proprietary parameters.
> > >
> > > Seriously? Refusing to use generic binding because you think marvell,5ghz; is
> > > simpler than ieee80211-freq-limit = <2402000 2482000>; (not to mention your
> > > property seems reversed!)?
> > >
> > > I don't know how else to explain this to you. We don't want duplicated
> > > properties where one can work. Just use existing one. Don't add new one even
> > > if documented.
> > >
> >
> > All right. I will check and let patch v10 to use it. For previous parameters, they will only be used by previous OpenWrt projects.
> 
> Hi David, how are things going? Could we get v10?

Hello! I would like to ask, is there any plan for future updates for this mwlwifi softmac driver?



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