linux-kernel - Re: Version number policy!

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Message-ID: <CAFSJ42Zd3s8xKwt4X3LNcupCTntDULxNntMuD-_Xh6_csiGA4A@mail.gmail.com>
Date:	Mon, 8 Apr 2013 11:10:30 +0200
From:	Eugene Krasnikov <k.eugene.e@...il.com>
To:	Adrian Chadd <adrian@...ebsd.org>
Cc:	Kalle Valo <kvalo@...rom.com>,
	Christian Lamparter <chunkeey@...glemail.com>,
	"Luis R. Rodriguez" <mcgrof@...not-panic.com>,
	linux-bluetooth <linux-bluetooth@...r.kernel.org>,
	linux-wireless <linux-wireless@...r.kernel.org>,
	ath9k_htc_fw <ath9k_htc_fw@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: Version number policy!

Thanx Christian for a valuable input.

It’s a good idea to pack bitmap into the tail/header of the firmware
binary to get capabilities even before fw loading. The plan is to add
8 bytes for caps and also add time stamp. Let me play around with that
and provide fw and driver patch for review.

2013/4/6 Adrian Chadd <adrian@...ebsd.org>:
> On 5 April 2013 22:52, Kalle Valo <kvalo@...rom.com> wrote:
>> Eugene Krasnikov <k.eugene.e@...il.com> writes:
>>
>>> Good point regarding timestamp.
>>>
>>> When it comes to feature bitmap do you have an example of such a
>>> bitmap from carl9170? Why not to rely always on major version?
>>
>> I'm with Christian here. In ath6kl we switched to firmware advertising
>> feature capabilities and I have never looked back, it's so much easier.
>> You don't need to do any mapping between firmware versions and features,
>> you just deal one feature at a time.
>
> Ok. Well, we've got plenty of time to finalise this before things get
> established. There's still plenty of tidying up to do before we start
> pushing in new features.
>
> Thanks for all your feedback so far!
>
>
>
> Adrian



-- 
Best regards,
Eugene
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