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From: Andrew Lunn <andrew@lunn•ch>
To: Liang Xu <lxu@maxlinear•com>
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>,
	"mohammad.athari.ismail@intel•com"
	<mohammad.athari.ismail@intel•com>
Subject: Re: [PATCH v6 2/2] net: phy: add Maxlinear GPY115/21x/24x driver
Date: Tue, 20 Jul 2021 15:02:23 +0200	[thread overview]
Message-ID: <YPbJX34DG5gYFkEq@lunn.ch> (raw)
In-Reply-To: <c21ac03c-28dc-1bb1-642a-ba309e39c08b@maxlinear.com>

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

  reply	other threads:[~2021-07-20 13:02 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-19  5:32 [PATCH v6 1/2] net: phy: add API to read 802.3-c45 IDs Xu Liang
2021-07-19  5:32 ` [PATCH v6 2/2] net: phy: add Maxlinear GPY115/21x/24x driver Xu Liang
2021-07-19 18:30   ` Hauke Mehrtens
2021-07-19 20:48   ` Andrew Lunn
2021-07-20  3:35     ` Liang Xu
2021-07-20 13:02       ` Andrew Lunn [this message]
2021-07-20 13:18         ` Liang Xu
2021-07-20  0:58   ` Wong Vee Khee
2021-07-20  1:03   ` Wong Vee Khee
2021-07-20 14:11   ` Andrew Lunn
2021-07-19 18:30 ` [PATCH v6 1/2] net: phy: add API to read 802.3-c45 IDs Hauke Mehrtens
2021-07-19 20:40 ` Andrew Lunn

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