Re: [PATCH net-next v2 11/21] net: ravb: Move DBAT configuration to the driver's ndo_open API

[Sergey Shtylyov]

On 12/15/23 12:03 AM, Sergey Shtylyov wrote:
[...]

>> From: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
>>
>> DBAT setup was done in the driver's probe API. As some IP variants switch
>> to reset mode (and thus registers' content is lost) when setting clocks
>> (due to module standby functionality) to be able to implement runtime PM
>> move the DBAT configuration in the driver's ndo_open API.
>>
>> This commit prepares the code for the addition of runtime PM.
>>
>> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
> 
> Reviewed-by: Sergey Shtylyov <s.shtylyov@xxxxxx>
> 
> [...]
>> diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
>> index 04eaa1967651..6b8ca08be35e 100644
>> --- a/drivers/net/ethernet/renesas/ravb_main.c
>> +++ b/drivers/net/ethernet/renesas/ravb_main.c
>> @@ -1822,6 +1822,7 @@ static int ravb_open(struct net_device *ndev)
>>  		napi_enable(&priv->napi[RAVB_NC]);
>>  
>>  	ravb_set_delay_mode(ndev);
>> +	ravb_write(ndev, priv->desc_bat_dma, DBAT);

   Looking at it again, I suspect this belong in ravb_dmac_init()...

>>  
>>  	/* Device init */
>>  	error = ravb_dmac_init(ndev);
[...]

MBR, Sergey