Re: [PATCH] net: mtk_sgmii: implement mtk_pcs_ops

From: Frank Wunderlich
Date: Thu Oct 20 2022 - 01:55:45 EST


Am 18. Oktober 2022 18:39:01 MESZ schrieb "Russell King (Oracle)" <linux@xxxxxxxxxxxxxxx>:
>Hi,
>
>A couple of points:
>
>On Tue, Oct 18, 2022 at 05:35:06PM +0200, Frank Wunderlich wrote:

>> + regmap_read(mpcs->regmap, SGMSYS_PCS_CONTROL_1, &val);
>> + state->an_complete = !!(val & SGMII_AN_COMPLETE);
>> + state->link = !!(val & SGMII_LINK_STATYS);
>> + state->pause = 0;
>
>Finally, something approaching a reasonable implementation for this!
>Two points however:
>1) There's no need to set state->pause if there is no way to get that
> state.
>2) There should also be a setting for state->pause.

Currently it looks like pause cannot be controlled in sgmii-mode so we disabled it here to not leave it undefined. Should i drop assignment here?

>> +}
>> +
>> static const struct phylink_pcs_ops mtk_pcs_ops = {
>> .pcs_config = mtk_pcs_config,
>> .pcs_an_restart = mtk_pcs_restart_an,
>> .pcs_link_up = mtk_pcs_link_up,
>> + .pcs_get_state = mtk_pcs_get_state,
>
>Please keep this in order - pcs_get_state should be just before
>pcs_config.

Ok,will change order

regards Frank