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Message-ID: <c00db758-54ca-80a9-7ba3-9a6ce61f9224@omp.ru>
Date: Tue, 19 Dec 2023 21:40:02 +0300
From: Sergey Shtylyov <s.shtylyov@....ru>
To: claudiu beznea <claudiu.beznea@...on.dev>, <davem@...emloft.net>,
	<edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
	<richardcochran@...il.com>, <p.zabel@...gutronix.de>,
	<yoshihiro.shimoda.uh@...esas.com>, <wsa+renesas@...g-engineering.com>,
	<geert+renesas@...der.be>
CC: <netdev@...r.kernel.org>, <linux-renesas-soc@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Claudiu Beznea
	<claudiu.beznea.uj@...renesas.com>
Subject: Re: [PATCH net-next v2 10/21] net: ravb: Move delay mode set in the
 driver's ndo_open API

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

[...]
>>> From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
>>>
>>> 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@...renesas.com>
>> [...]
>>
>>> 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

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