在 2019/1/15 11:39, Andrew Lunn 写道:
> On Tue, Jan 15, 2019 at 11:07:17AM +0800, shenjian (K) wrote:
>> Hi, all
>> We encounted a problem when using the marvel 88e151x phy driver, the
>> link(LED[0])/ack(LED[1]) leds worked abnormally since we updated our kernel
>> to v4.19.
>> The act led kept on and never blink. It works well when we use genphy
>> driver, aslo
>> works well when use marvell phy in kernel v4.18.
>>
>> I found that the default led configuration had been changed to 0x1177
>> by commit commit 077772468ec1(net: phy: marvell: change default m88e1510 LED
>> configuration).
>
> It is a difficult job deciding what the driver should configure. I
> would actually prefer to keeps with the reset default, which would be
> 0x101e according to the datasheet.
>
> If you are using device tree, you have the option of poking values
> into registers, using marvell,reg-init. There are a few examples you
> can copy. Doing that guarantees you have the configuration you want.
>
> Andrew
>
> .
>
Thanks, Andrew.
But we are using acpi mode, is there any ohter way to poke values into
registers ?
