Re: [PATCH v3 2/2] dell-laptop: Expose auxiliary MAC address if available

From	Michał Kępień <kernel@kempniu.pl>
Newsgroups	linux.kernel
Subject	Re: [PATCH v3 2/2] dell-laptop: Expose auxiliary MAC address if available
Date	2016-05-12 13:40 +0200
Message-ID	<rxX8d-4Hz-1@gated-at.bofh.it> (permalink)
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> Mical - if you think patch 1/2 could still be useful to have as a general interface I'll update it for your other comments and get it resubmitted.

If there is no practical use for it today, then let's call it quits for
now.  Once the need emerges, you can simply pick up where you left off.

> We do mirror the information in ACPI under the system bus:
> 
>     Scope (_SB)
>     {
>         Name (AMAC, Buffer (0x17)
>         {
>             "_AUXMAC_#847BEB5992D2#"
>         })
>     }
> 
> I don't know how to properly access this from the kernel side.  I noticed that most drivers that reference ACPI nodes refer to devices, not something hanging off the system bus. 
> If you could advise the right way to go about that, I would appreciate it.
> 
> If I can access that, maybe it's better to do this directly as a patch to the Ethernet driver in question (r8152).  

As Pali said, this sounds like the cleaner option.

-- 
Best regards,
Michał Kępień

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[PATCH v3 2/2] dell-laptop: Expose auxiliary MAC address if available Mario Limonciello <mario_limonciello@dell.com> - 2016-05-09 18:30 +0200
  Re: [PATCH v3 2/2] dell-laptop: Expose auxiliary MAC address if  available Michał Kępień <kernel@kempniu.pl> - 2016-05-11 15:40 +0200
    Re: [PATCH v3 2/2] dell-laptop: Expose auxiliary MAC address if available Pali Rohár <pali.rohar@gmail.com> - 2016-05-11 18:50 +0200
      RE: [PATCH v3 2/2] dell-laptop: Expose auxiliary MAC address if  available <Mario_Limonciello@Dell.com> - 2016-05-12 00:50 +0200
        Re: [PATCH v3 2/2] dell-laptop: Expose auxiliary MAC address if  available Pali Rohár <pali.rohar@gmail.com> - 2016-05-12 10:50 +0200
          RE: [PATCH v3 2/2] dell-laptop: Expose auxiliary MAC address if  available <Mario_Limonciello@Dell.com> - 2016-05-12 21:10 +0200
            Re: [PATCH v3 2/2] dell-laptop: Expose auxiliary MAC address if  available Pali Rohár <pali.rohar@gmail.com> - 2016-05-20 16:30 +0200
        Re: [PATCH v3 2/2] dell-laptop: Expose auxiliary MAC address if  available Michał Kępień <kernel@kempniu.pl> - 2016-05-12 13:40 +0200

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