From: Pavel Machek <pavel@ucw.cz>
To: Kalle Valo <kvalo@codeaurora.org>
Cc: "Arend Van Spriel" <arend.vanspriel@broadcom.com>,
"Pali Rohár" <pali.rohar@gmail.com>,
"Daniel Wagner" <wagi@monom.org>,
"Luis R. Rodriguez" <mcgrof@kernel.org>,
"Tom Gundersen" <teg@jklm.no>,
"Johannes Berg" <johannes@sipsolutions.net>,
"Ming Lei" <ming.lei@canonical.com>,
"Mimi Zohar" <zohar@linux.vnet.ibm.com>,
"Bjorn Andersson" <bjorn.andersson@linaro.org>,
"Rafał Miłecki" <zajec5@gmail.com>,
"Sebastian Reichel" <sre@kernel.org>,
"Michal Kazior" <michal.kazior@tieto.com>,
"Ivaylo Dimitrov" <ivo.g.dimitrov.75@gmail.com>,
"Aaro Koskinen" <aaro.koskinen@iki.fi>,
"Tony Lindgren" <tony@atomide.com>,
linux-wireless <linux-wireless@vger.kernel.org>,
"Network Development" <netdev@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"David Woodhouse" <dwmw2@infradead.org>,
"Takashi Iwai" <tiwai@suse.de>,
"Josh Boyer" <jwboyer@fedoraproject.org>,
"Dmitry Torokhov" <dmitry.torokhov@gmail.com>
Subject: Re: wl1251 & mac address & calibration data
Date: Thu, 12 Jan 2017 09:50:33 +0100 [thread overview]
Message-ID: <20170112085033.GA27429@amd> (raw)
In-Reply-To: <87shpiu8j8.fsf@kamboji.qca.qualcomm.com>
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Hi!
> >> But overwriting that one file is not possible as it next update of
> >> linux-firmware package will overwrite it back. It break any normal usage
> >> of package management.
> >>
> >> Also it is ridiculously broken by design if some "boot" files needs to
> >> be overwritten to initialize hardware properly. To not break booting you
> >> need to overwrite that file before first boot. But without booting
> >> device you cannot read calibration data. So some hack with autoreboot
> >> after boot is needed.
>
> Providing the calibration data via Device Tree is the proper way to
> solve this. Yes yes, I know N900 doesn't support it but that's a
> deficiency in N900, not Linux.
Linux has to work with whatever hardware provides. You may not like
N900 design, but we have to support it, anyway.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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WARNING: multiple messages have this Message-ID (diff)
From: Pavel Machek <pavel@ucw.cz>
To: Kalle Valo <kvalo@codeaurora.org>
Cc: "Arend Van Spriel" <arend.vanspriel@broadcom.com>,
"Pali Rohár" <pali.rohar@gmail.com>,
"Daniel Wagner" <wagi@monom.org>,
"Luis R. Rodriguez" <mcgrof@kernel.org>,
"Tom Gundersen" <teg@jklm.no>,
"Johannes Berg" <johannes@sipsolutions.net>,
"Ming Lei" <ming.lei@canonical.com>,
"Mimi Zohar" <zohar@linux.vnet.ibm.com>,
"Bjorn Andersson" <bjorn.andersson@linaro.org>,
"Rafał Miłecki" <zajec5@gmail.com>,
"Sebastian Reichel" <sre@kernel.org>,
"Michal Kazior" <michal.kazior@tieto.com>,
"Ivaylo Dimitrov" <ivo.g.dimitrov.75@gmail.com>,
"Aaro Koskinen" <aaro.koskinen@iki.fi>,
"Tony Lindgren" <tony@atomide.com>,
linux-wireless <linux-wireless@vger.kernel.org>,
"Network Development" <netdev@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vge>
Subject: Re: wl1251 & mac address & calibration data
Date: Thu, 12 Jan 2017 09:50:33 +0100 [thread overview]
Message-ID: <20170112085033.GA27429@amd> (raw)
In-Reply-To: <87shpiu8j8.fsf@kamboji.qca.qualcomm.com>
[-- Attachment #1: Type: text/plain, Size: 987 bytes --]
Hi!
> >> But overwriting that one file is not possible as it next update of
> >> linux-firmware package will overwrite it back. It break any normal usage
> >> of package management.
> >>
> >> Also it is ridiculously broken by design if some "boot" files needs to
> >> be overwritten to initialize hardware properly. To not break booting you
> >> need to overwrite that file before first boot. But without booting
> >> device you cannot read calibration data. So some hack with autoreboot
> >> after boot is needed.
>
> Providing the calibration data via Device Tree is the proper way to
> solve this. Yes yes, I know N900 doesn't support it but that's a
> deficiency in N900, not Linux.
Linux has to work with whatever hardware provides. You may not like
N900 design, but we have to support it, anyway.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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next prev parent reply other threads:[~2017-01-12 8:50 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-11 17:20 wl1251 & mac address & calibration data Pali Rohár
2016-11-21 15:51 ` Pali Rohár
2016-11-22 15:22 ` Michal Kazior
2016-11-22 15:22 ` Michal Kazior
2016-11-22 15:31 ` Pali Rohár
2016-11-22 16:14 ` Michal Kazior
2016-11-22 16:14 ` Michal Kazior
2016-11-22 17:05 ` Pali Rohár
2016-11-23 8:24 ` Arend Van Spriel
2016-11-23 22:23 ` Pavel Machek
2016-11-23 22:39 ` Pali Rohár
2016-11-24 7:51 ` Pavel Machek
2016-11-24 8:33 ` Pali Rohár
2016-11-24 15:13 ` Sebastian Reichel
2016-11-24 15:20 ` Pali Rohár
2016-11-24 15:31 ` Ivaylo Dimitrov
2016-11-24 16:08 ` Sebastian Reichel
2016-11-24 16:49 ` Pali Rohár
2016-11-24 18:11 ` Sebastian Reichel
2016-11-24 18:35 ` Pali Rohár
2016-12-15 8:18 ` Kalle Valo
2016-12-15 8:18 ` Kalle Valo
2016-12-15 15:33 ` Pali Rohár
2016-12-15 20:12 ` Arend Van Spriel
2016-12-16 2:03 ` Luis R. Rodriguez
2016-12-16 7:25 ` Daniel Wagner
2016-12-16 7:25 ` Daniel Wagner
2016-12-16 10:40 ` Pali Rohár
2016-12-16 10:40 ` Pali Rohár
2016-12-18 10:49 ` Arend Van Spriel
2016-12-18 10:49 ` Arend Van Spriel
2016-12-18 11:04 ` Pali Rohár
2016-12-18 11:04 ` Pali Rohár
2016-12-18 11:54 ` Arend Van Spriel
2016-12-18 11:54 ` Arend Van Spriel
2016-12-18 12:09 ` Pali Rohár
2016-12-18 12:09 ` Pali Rohár
2016-12-18 20:08 ` Arend Van Spriel
2016-12-18 20:08 ` Arend Van Spriel
2016-12-20 11:47 ` Kalle Valo
2016-12-20 11:47 ` Kalle Valo
2016-12-20 11:47 ` Kalle Valo
2016-12-20 16:56 ` Tony Lindgren
2016-12-20 16:56 ` Tony Lindgren
2016-12-20 17:06 ` Pali Rohár
2016-12-20 17:06 ` Pali Rohár
2016-12-20 17:11 ` Kalle Valo
2016-12-20 17:11 ` Kalle Valo
2016-12-20 17:11 ` Kalle Valo
2016-12-20 17:21 ` Tony Lindgren
2016-12-20 17:21 ` Tony Lindgren
2017-01-12 8:50 ` Pavel Machek [this message]
2017-01-12 8:50 ` Pavel Machek
2016-12-16 10:35 ` Pali Rohár
2016-12-16 10:35 ` Pali Rohár
2016-12-16 10:26 ` Pali Rohár
2016-12-16 10:26 ` Pali Rohár
2016-11-24 18:46 ` Aaro Koskinen
2016-11-26 17:17 ` Pavel Machek
2016-11-26 17:17 ` Pavel Machek
2016-11-26 17:20 ` Pali Rohár
2016-11-26 17:20 ` Pali Rohár
2016-12-05 23:51 ` Tony Lindgren
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