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From: Brian Norris <briannorris@chromium.org>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: Kalle Valo <kvalo@codeaurora.org>, Jouni Malinen <j@w1.fi>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
	Pkshih <pkshih@realtek.com>,
	"ath10k@lists.infradead.org" <ath10k@lists.infradead.org>,
	Wen Gong <wgong@codeaurora.org>
Subject: Re: [PATCH 1/2] nl80211: vendor-cmd: qca: add dynamic SAR power limits
Date: Fri, 31 Jul 2020 18:31:27 -0700	[thread overview]
Message-ID: <CA+ASDXOwARX86GzMsSL4N94-jQ-TqAhe07f0AZOQcdKpPyJEgw@mail.gmail.com> (raw)
In-Reply-To: <c3ef60c2263a6840d21f6a797ad3ffb685a728b8.camel@sipsolutions.net>

On Thu, Jul 30, 2020 at 6:24 AM Johannes Berg <johannes@sipsolutions.net> wrote:

> > Good, I was just checking that we all are on the same page.
>
> But are we? ;-)

I think you were deferring to, "how would user space use it?" And,
"would a common API really help anyone?" (And then you implied
"anyone" = "Chrome OS.")

I expressed a moderate benefit from a common API, but I'd settle for a
non-common (but upstream) one instead. I also doubt many
non-hardware-customized Linux distributions will make use of this any
time soon.

I don't think that implied you were truly on a different page. But
your response below may say otherwise:

> I don't really see anything in the new proposal [1] that really explains
> why the common API that we've sort of vaguely outlined in this thread
> couldn't work? It just speaks of technical difficulties ("need a
> reporting API too"), but should we let that stop us?
>
> [1] https://patchwork.kernel.org/patch/11686317/

Indeed, I don't see any reason beyond technical difficulties.

I'd love to have a few extra hours in my day to spend on writing such
an API, if that would really unblock months of deadlock.
Unfortunately, those hours tend to get eaten by all sorts of other
things these days, so an honest assessment would probably say I won't
get around to it soon. SAR regulatory concerns aren't really sexy
enough to convince me to spend my weekends on it... (...oh wait, it's
Friday evening already. Hmm.)

Regards,
Brian

WARNING: multiple messages have this Message-ID
From: Brian Norris <briannorris@chromium.org>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: Pkshih <pkshih@realtek.com>, Jouni Malinen <j@w1.fi>,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
	"ath10k@lists.infradead.org" <ath10k@lists.infradead.org>,
	Wen Gong <wgong@codeaurora.org>,
	Kalle Valo <kvalo@codeaurora.org>
Subject: Re: [PATCH 1/2] nl80211: vendor-cmd: qca: add dynamic SAR power limits
Date: Fri, 31 Jul 2020 18:31:27 -0700	[thread overview]
Message-ID: <CA+ASDXOwARX86GzMsSL4N94-jQ-TqAhe07f0AZOQcdKpPyJEgw@mail.gmail.com> (raw)
In-Reply-To: <c3ef60c2263a6840d21f6a797ad3ffb685a728b8.camel@sipsolutions.net>

On Thu, Jul 30, 2020 at 6:24 AM Johannes Berg <johannes@sipsolutions.net> wrote:

> > Good, I was just checking that we all are on the same page.
>
> But are we? ;-)

I think you were deferring to, "how would user space use it?" And,
"would a common API really help anyone?" (And then you implied
"anyone" = "Chrome OS.")

I expressed a moderate benefit from a common API, but I'd settle for a
non-common (but upstream) one instead. I also doubt many
non-hardware-customized Linux distributions will make use of this any
time soon.

I don't think that implied you were truly on a different page. But
your response below may say otherwise:

> I don't really see anything in the new proposal [1] that really explains
> why the common API that we've sort of vaguely outlined in this thread
> couldn't work? It just speaks of technical difficulties ("need a
> reporting API too"), but should we let that stop us?
>
> [1] https://patchwork.kernel.org/patch/11686317/

Indeed, I don't see any reason beyond technical difficulties.

I'd love to have a few extra hours in my day to spend on writing such
an API, if that would really unblock months of deadlock.
Unfortunately, those hours tend to get eaten by all sorts of other
things these days, so an honest assessment would probably say I won't
get around to it soon. SAR regulatory concerns aren't really sexy
enough to convince me to spend my weekends on it... (...oh wait, it's
Friday evening already. Hmm.)

Regards,
Brian

_______________________________________________
ath10k mailing list
ath10k@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/ath10k

  reply	other threads:[~2020-08-01  1:31 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-18 15:48 [PATCH 0/2] ath10k: SAR power limit vendor command Kalle Valo
2019-12-18 15:48 ` Kalle Valo
2019-12-18 15:48 ` [PATCH 1/2] nl80211: vendor-cmd: qca: add dynamic SAR power limits Kalle Valo
2019-12-18 15:48   ` Kalle Valo
2019-12-19  9:44   ` Pkshih
2019-12-19  9:44     ` Pkshih
2019-12-19 15:48     ` Jouni Malinen
2019-12-19 15:48       ` Jouni Malinen
2019-12-19 18:32       ` Brian Norris
2019-12-19 18:32         ` Brian Norris
2019-12-19 18:55         ` Jouni Malinen
2019-12-19 18:55           ` Jouni Malinen
2019-12-19 23:40           ` Brian Norris
2019-12-19 23:40             ` Brian Norris
2020-03-17 16:54             ` Kalle Valo
2020-03-17 16:54               ` Kalle Valo
2020-03-20 12:55               ` Johannes Berg
2020-03-20 12:55                 ` Johannes Berg
2020-06-02  1:32                 ` Brian Norris
2020-06-02  1:32                   ` Brian Norris
2020-07-16  9:35                   ` Kalle Valo
2020-07-16  9:35                     ` Kalle Valo
2020-07-16 18:56                     ` Brian Norris
2020-07-16 18:56                       ` Brian Norris
2020-07-24  9:26                       ` Kalle Valo
2020-07-24  9:26                         ` Kalle Valo
2020-07-30 13:24                         ` Johannes Berg
2020-07-30 13:24                           ` Johannes Berg
2020-08-01  1:31                           ` Brian Norris [this message]
2020-08-01  1:31                             ` Brian Norris
2020-09-08  5:55                           ` Kalle Valo
2020-09-08  5:55                           ` Kalle Valo
2020-07-30 13:17                   ` Johannes Berg
2020-07-30 13:17                     ` Johannes Berg
2019-12-18 15:48 ` [PATCH 2/2] ath10k: allow dynamic SAR power limits to be configured Kalle Valo
2019-12-18 15:48   ` Kalle Valo
2019-12-19  9:45   ` Pkshih
2019-12-19  9:45     ` Pkshih
2020-04-16  7:38   ` Kalle Valo
2020-04-16  7:38   ` Kalle Valo

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