linux-kernel - Re: [PATCH 3/3] stmmac: pci: Use dmi_system

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Message-ID: <72ff21ba-f774-b3d5-23b4-e70095cedbef@siemens.com>
Date:   Mon, 22 May 2017 14:49:18 +0200
From:   Jan Kiszka <jan.kiszka@...mens.com>
To:     Joe Perches <joe@...ches.com>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        David Miller <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Andy Shevchenko <andy.shevchenko@...il.com>
Subject: Re: [PATCH 3/3] stmmac: pci: Use dmi_system_id table for retrieving
 PHY addresses

On 2017-05-22 13:33, Joe Perches wrote:
> On Mon, 2017-05-22 at 13:12 +0200, Jan Kiszka wrote:
>> Avoids reimplementation of DMI matching in stmmac_pci_find_phy_addr.
> []
>> diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c
> []
>> @@ -31,65 +31,78 @@
> []
>> +static const struct stmmac_pci_dmi_data iot2040_stmmac_dmi_data[] = {
>>  	{
>> -		.name = "GalileoGen2",
>>  		.func = 6,
>>  		.phy_addr = 1,
>>  	},
>>  	{
>> -		.name = "SIMATIC IOT2000",
>> -		.asset_tag = "6ES7647-0AA00-0YA2",
>> -		.func = 6,
>> +		.func = 7,
> 
> Why change this from 6 to 7?
> 

The diff is confusing here: If you look at the outcome, we now have
galileo_stmmac_dmi_data with function 6 only (also used for the
IOT2020), and iot2040_stmmac_dmi_data with both function 6 and 7 (both
MACs are wired up).

Jan

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