Re: [PATCH net-next v2 10/21] net: ravb: Move delay mode set in the driver's ndo_open API

From: Sergey Shtylyov
Date: Tue Dec 19 2023 - 13:40:29 EST


On 12/17/23 3:49 PM, claudiu beznea wrote:

[...]
>>> From: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
>>>
>>> Delay parse and set were done in the driver's probe API. As some IP
>>
>> Parsing and setting?
>>
>>> variants switch to reset mode (and thus registers' content is lost) when
>>
>> Register.
>>
>>> setting clocks (due to module standby functionality) to be able to
>>> implement runtime PM keep the delay parsing in the driver's probe function
>>> and move the delay apply function to the driver's ndo_open API.
>>
>> Applying?
>>
>>> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
>> [...]
>>
>>> diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
>>> index 5e01e03e1b43..04eaa1967651 100644
>>> --- a/drivers/net/ethernet/renesas/ravb_main.c
>>> +++ b/drivers/net/ethernet/renesas/ravb_main.c
>> [...]
>>> @@ -1806,6 +1821,8 @@ static int ravb_open(struct net_device *ndev)
>>> if (info->nc_queues)
>>> napi_enable(&priv->napi[RAVB_NC]);
>>>
>>> + ravb_set_delay_mode(ndev);
>>> +
>>
>> I suspect this belongs in ravb_dmac_init() now...
>
> I'm confused... Why? To me this seems more like MAC-PHY interface related.

APSR's full name is AVB-DMAC product specific register. :-)

> Though I'm not sure what ravb_dmac_init() purpose is.

To configure and start the AVB-DMAC, apparently. :-)

[...]

MRB, Sergey