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SubjectRe: [PATCH v2] ARM: imx: allow to disable board specific PHY fixups
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On 3/31/20 9:54 AM, Russell King - ARM Linux admin wrote:
> On Tue, Mar 31, 2020 at 09:47:19AM +0200, Marc Kleine-Budde wrote:
>> On 3/30/20 7:41 PM, Russell King - ARM Linux admin wrote:
>>>>> arch/arm/mach-imx/mach-imx6q.c:167: phy_register_fixup_for_uid(PHY_ID_KSZ9021, MICREL_PHY_ID_MASK,
>>>>> arch/arm/mach-imx/mach-imx6q.c:169: phy_register_fixup_for_uid(PHY_ID_KSZ9031, MICREL_PHY_ID_MASK,
>>>>> arch/arm/mach-imx/mach-imx6q.c:171: phy_register_fixup_for_uid(PHY_ID_AR8031, 0xffffffef,
>>>>> arch/arm/mach-imx/mach-imx6q.c:173: phy_register_fixup_for_uid(PHY_ID_AR8035, 0xffffffef,
>>>
>>> As far as I'm concerned, the AR8035 fixup is there with good reason.
>>> It's not just "random" but is required to make the AR8035 usable with
>>> the iMX6 SoCs. Not because of a board level thing, but because it's
>>> required for the AR8035 to be usable with an iMX6 SoC.
>>
>> Is this still ture, if the AR8035 is attached to a switch behind an iMX6?
>
> Do you know of such a setup, or are you talking about theoretical
> situations?

Granted, not for the AR8035, but for one of the KSZ Phys. This is why
Oleksij started looking into this issue in the first place.

regards,
Marc

--
Pengutronix e.K. | Marc Kleine-Budde |
Embedded Linux | https://www.pengutronix.de |
Vertretung West/Dortmund | Phone: +49-231-2826-924 |
Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |

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