netdev - Re: [PATCH 2/2] alx: add disable

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Message-ID: <CAFv23QmkLiuFA6C4YFsO3hoTEE--2bT4H2uxaMqoY30G4_QJGw@mail.gmail.com>
Date:   Tue, 24 Apr 2018 11:45:20 +0800
From:   AceLan Kao <acelan.kao@...onical.com>
To:     David Miller <davem@...emloft.net>
Cc:     Andrew Lunn <andrew@...n.ch>, James Cliburn <jcliburn@...il.com>,
        Chris Snook <chris.snook@...il.com>, rakesh@...era.com,
        netdev@...r.kernel.org,
        "Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] alx: add disable_wol paramenter

Hi,

May I know the final decision of this patch?
Thanks.

Best regards,
AceLan Kao.

2018-04-10 10:40 GMT+08:00 AceLan Kao <acelan.kao@...onical.com>:
> The problem is I don't have a machine with that wakeup issue, and I
> need WoL feature.
> Instead of spreading "alx with WoL" dkms package everywhere, I would
> like to see it's supported in the driver and is disabled by default.
>
> Moreover, the wakeup issue may come from old Atheros chips, or result
> from buggy BIOS.
> With the WoL has been removed from the driver, no one will report
> issue about that, and we don't have any chance to find a fix for it.
>
> Adding this feature back is not covering a paper on the issue, it
> makes people have a chance to examine this feature.
>
> 2018-04-09 22:50 GMT+08:00 David Miller <davem@...emloft.net>:
>> From: Andrew Lunn <andrew@...n.ch>
>> Date: Mon, 9 Apr 2018 14:39:10 +0200
>>
>>> On Mon, Apr 09, 2018 at 07:35:14PM +0800, AceLan Kao wrote:
>>>> The WoL feature was reported broken and will lead to
>>>> the system resume immediately after suspending.
>>>> This symptom is not happening on every system, so adding
>>>> disable_wol option and disable WoL by default to prevent the issue from
>>>> happening again.
>>>
>>>>  const char alx_drv_name[] = "alx";
>>>>
>>>> +/* disable WoL by default */
>>>> +bool disable_wol = 1;
>>>> +module_param(disable_wol, bool, 0);
>>>> +MODULE_PARM_DESC(disable_wol, "Disable Wake on Lan feature");
>>>> +
>>>
>>> Hi AceLan
>>>
>>> This seems like you are papering over the cracks. And module
>>> parameters are not liked.
>>>
>>> Please try to find the real problem.
>>
>> Agreed.