> From: Rafał Miłecki [mailto:[email protected]] worte: > Sent: Wednesday, February 08, 2017 3:24 PM > On 8 February 2017 at 07:30, David Lin <[email protected]> wrote: > > [email protected] [mailto:[email protected]] wrote: > >> On Tue, Feb 7, 2017 at 10:15 PM, David Lin <[email protected]> wrote: > >> >> Rafał Miłecki [mailto:[email protected]] 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. Thanks, David > -- > Rafał
