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From: Liang Xu <lxu@maxlinear.com>
To: Andrew Lunn <andrew@lunn.ch>
Cc: "hkallweit1@gmail.com" <hkallweit1@gmail.com>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"davem@davemloft.net" <davem@davemloft.net>,
	"kuba@kernel.org" <kuba@kernel.org>,
	"vee.khee.wong@linux.intel.com" <vee.khee.wong@linux.intel.com>,
	"linux@armlinux.org.uk" <linux@armlinux.org.uk>,
	Hauke Mehrtens <hmehrtens@maxlinear.com>,
	Thomas Mohren <tmohren@maxlinear.com>
Subject: Re: [PATCH v2] net: phy: add Maxlinear GPY115/21x/24x driver
Date: Mon, 7 Jun 2021 13:28:25 +0000	[thread overview]
Message-ID: <aa8c628a-b0fc-a938-42a6-364f63031e1d@maxlinear.com> (raw)
In-Reply-To: <YL4N9XMFKOrRdH4l@lunn.ch>

On 7/6/2021 8:15 pm, Andrew Lunn wrote:
> This email was sent from outside of MaxLinear.
>
>
>> Yes, they all have same product number.
>>
>> They are one IP.
> O.K, this is the sort of information which is useful to have in the
> commit message. Basically anything which is odd about your PHY it is
> good to mention, because reviewers are probably going to notice and
> ask.
Thanks, will update.
>> The difference is feature set it's enabled by fusing in silicon.
>>
>> For example, GPY115 has 10/100/1000Mbps support, so in the ability
>> register 2.5G capable is 0.
>>
>> GPY211 has 10/100/1000/2500Mbps support, so in the capability register
>> 2.5G capable is 1.
> I assume it is more than just the capability register? Linux could
> easily ignore that and make use of 2.5G if it still actually works.
>
>         Andrew

You are right, not only capability register. The 2.5G function including 
relative

registers/bit-fields do not work.



      reply	other threads:[~2021-06-07 13:28 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-03  7:34 [PATCH v2] net: phy: add Maxlinear GPY115/21x/24x driver Xu Liang
2021-06-03  9:17 ` Russell King (Oracle)
2021-06-03 10:36   ` Liang Xu
2021-06-03 15:10   ` Liang Xu
2021-06-03 15:21     ` Andrew Lunn
2021-06-03 15:32       ` Liang Xu
2021-06-03 17:05         ` Andrew Lunn
2021-06-03 17:54           ` Liang Xu
2021-06-04 12:09             ` Andrew Lunn
2021-06-04 12:39               ` Liang Xu
2021-06-04 12:15 ` Andrew Lunn
2021-06-04 12:52   ` Liang Xu
2021-06-04 20:39     ` Andrew Lunn
2021-06-05  3:46       ` Liang Xu
2021-06-05 14:37         ` Andrew Lunn
2021-06-07  4:04           ` Liang Xu
2021-06-07 12:15             ` Andrew Lunn
2021-06-07 13:28               ` Liang Xu [this message]

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