netdev - Re: [PATCH v2 0/2] Support runtime changes of vendor mac passthu policy

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Message-Id: <20190406.182210.325909791725959336.davem@davemloft.net>
Date:   Sat, 06 Apr 2019 18:22:10 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     mario.limonciello@...l.com
Cc:     linux-usb@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, hayeswang@...ltek.com,
        sjg@...gle.com, campello@...gle.com, Ryan.Hong@...l.com,
        Crag.Wang@...l.com
Subject: Re: [PATCH v2 0/2] Support runtime changes of vendor mac passthu
 policy

From: Mario Limonciello <mario.limonciello@...l.com>
Date: Thu,  4 Apr 2019 13:46:51 -0500

> On some platforms ACPI method `\\_SB.AMAC` is dynamic and changes to it can
> influence changing the behavior of MAC pass through and what MAC address is used.
> 
> When running USB reset, re-read the MAC address to use to support tools that
> change the policy.
> 
> This is quite similar to using `SIOCSIFHWADDR` except that the actual MAC to use
> comes from ASL rather than from userspace.
> 
> Changes from v1:
>  * Remove an extra unneeded `ether_addr_copy` call
>  * Use `dev_set_mac_address` to ensure all notifiers are called
>  * Shuffle functions to allow code re-use.

Series applied to net-next.