linux-kernel - Re: [PATCH] stmmac: pci: Adjust IOT2000 matching

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Date:   Fri, 26 Apr 2019 17:34:41 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Jan Kiszka <jan.kiszka@...mens.com>
Cc:     Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        David Miller <davem@...emloft.net>,
        Linux Netdev List <netdev@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Su Bao Cheng <baocheng.su@...mens.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: Re: [PATCH] stmmac: pci: Adjust IOT2000 matching

On Thu, Apr 18, 2019 at 12:15 PM Jan Kiszka <jan.kiszka@...mens.com> wrote:
>
> From: Su Bao Cheng <baocheng.su@...mens.com>
>
> Since there are more IOT2040 variants with identical hardware but
> different asset tags, the asset tag matching should be adjusted to
> support them.
>
> For the board name "SIMATIC IOT2000", currently there are 2 types of
> hardware, IOT2020 and IOT2040. The IOT2020 is identified by its unique
> asset tag. Match on it first. If we then match on the board name only,
> we will catch all IOT2040 variants. In the future there will be no other
> devices with the "SIMATIC IOT2000" DMI board name but different
> hardware.
>
> Signed-off-by: Su Bao Cheng <baocheng.su@...mens.com>
> Reviewed-by: Jan Kiszka <jan.kiszka@...mens.com>

> +       /*

> +        * There are 2 types of SIMATIC IOT2000: IOT20202 and IOT2040.

20202 ?

> +        * The asset tag "6ES7647-0AA00-0YA2" is only for IOT2020 which
> +        * has only one pci network device while other asset tags are
> +        * for IOT2040 which has two.
> +        */



-- 
With Best Regards,
Andy Shevchenko