riscv defconfig CONFIG_PM/macb/generic PHY regression in v5.18-rc1
Conor.Dooley at microchip.com
Conor.Dooley at microchip.com
Tue Apr 5 07:18:17 PDT 2022
On 05/04/2022 13:25, Andrew Lunn wrote:
> On Tue, Apr 05, 2022 at 01:05:12PM +0000, Conor.Dooley at microchip.com wrote:
>> [ 2.818894] macb 20112000.ethernet eth0: PHY [20112000.ethernet-ffffffff:09] driver [Generic PHY] (irq=POLL)
>
> Hi Conor
>
> In general, it is better to use the specific PHY driver for the PHY
> then rely on the generic PHY driver. I think the Icicle Kit has a
> VSC8662? So i would suggest you enable the Vitesse PHYs.
Hi Andrew, thanks for the quick reply.
It does indeed have a Vitesse VSC8662, but the link never seems to
come up for me [1] so I have been using Generic PHY. I'll try look
at why that is. Either way would like to know what's gone wrong in
the Generic PHY case since that's what's available in the riscv
defconfig.
Thanks,
Conor.
[1]:
[ 1.521768] macb 20112000.ethernet eth0: Cadence GEM rev 0x0107010c at 0x20112000 irq 17 (00:04:a3:4d:4c:dc)
[ 3.206274] macb 20112000.ethernet eth0: PHY [20112000.ethernet-ffffffff:09] driver [Vitesse VSC8662] (irq=POLL)
[ 3.216641] macb 20112000.ethernet eth0: configuring for phy/sgmii link mode
(and then nothing)
>
> Andrew
>
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