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Date:   Tue, 20 Jul 2021 13:18:02 +0000
From:   Liang Xu <lxu@...linear.com>
To:     Andrew Lunn <andrew@...n.ch>
CC:     "hkallweit1@...il.com" <hkallweit1@...il.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "kuba@...nel.org" <kuba@...nel.org>,
        "vee.khee.wong@...ux.intel.com" <vee.khee.wong@...ux.intel.com>,
        "linux@...linux.org.uk" <linux@...linux.org.uk>,
        Hauke Mehrtens <hmehrtens@...linear.com>,
        Thomas Mohren <tmohren@...linear.com>,
        "mohammad.athari.ismail@...el.com" <mohammad.athari.ismail@...el.com>
Subject: Re: [PATCH v6 2/2] net: phy: add Maxlinear GPY115/21x/24x driver

On 20/7/2021 9:02 pm, Andrew Lunn wrote:
> This email was sent from outside of MaxLinear.
>
>
> On Tue, Jul 20, 2021 at 03:35:17AM +0000, Liang Xu wrote:
>> On 20/7/2021 4:48 am, Andrew Lunn wrote:
>>> This email was sent from outside of MaxLinear.
>>>
>>>
>>>> +/* PHY ID */
>>>> +#define PHY_ID_GPYx15B_MASK  0xFFFFFFFC
>>>> +#define PHY_ID_GPY21xB_MASK  0xFFFFFFF9
>>> That is an odd mask. Is that really correct?
>>>
>>>        Andrew
>>>
>> Hi Andrew,
>>
>>
>> Yes, this is correct and has been tested.
>>
>> It's special because of a PHY ID scheme change during manufacturing.
> O.K. It is just a really odd mask. And putting the revision in the
> middle, not at the end? And none of the IDs have bit 0 set. It just
> all adds up to it looking wrong. So i had to ask.
>
>      Andrew
>
Understood. Here are the revisions already in the market (shipped):

1. GPY211B - 67C9DE08, 67C9DE0A

2. GPY212B - 67C9DE09, 67C9DE0B


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