Re: [PATCH net 3/3] net: bcmgenet: restore HFB filters on resume

[Florian Fainelli]

On 7/16/2020 4:38 PM, Doug Berger wrote:
> The Hardware Filter Block RAM may not be preserved when the GENET
> block is reset during a deep sleep, so it is not sufficient to
> only backup and restore the enables.
> 
> This commit clears out the HFB block and reprograms the rxnfc
> rules when the system resumes from a suspended state. To support
> this the bcmgenet_hfb_create_rxnfc_filter() function is modified
> to access the register space directly so that it can't fail due
> to memory allocation issues.
> 
> Fixes: f50932cca632 ("net: bcmgenet: add WAKE_FILTER support")
> Signed-off-by: Doug Berger <opendmb@xxxxxxxxx>
Acked-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
-- 
Florian