From: Florian Fainelli <f.fainelli@gmail.com>
To: Doug Berger <opendmb@gmail.com>, "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>,
bcm-kernel-feedback-list@broadcom.com, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH net 3/3] net: bcmgenet: restore HFB filters on resume
Date: Fri, 17 Jul 2020 09:34:17 -0700 [thread overview]
Message-ID: <9706ae96-65cf-a84d-3879-497358bed73f@gmail.com> (raw)
In-Reply-To: <1594942697-37954-4-git-send-email-opendmb@gmail.com>
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@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
--
Florian
next prev parent reply other threads:[~2020-07-17 16:34 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-16 23:38 [PATCH net 0/3] net: bcmgenet: fix WAKE_FILTER resume from deep sleep Doug Berger
2020-07-16 23:38 ` [PATCH net 1/3] net: bcmgenet: test MPD_EN when resuming Doug Berger
2020-07-17 0:36 ` Florian Fainelli
2020-07-16 23:38 ` [PATCH net 2/3] net: bcmgenet: test RBUF_ACPI_EN " Doug Berger
2020-07-17 0:37 ` Florian Fainelli
2020-07-16 23:38 ` [PATCH net 3/3] net: bcmgenet: restore HFB filters on resume Doug Berger
2020-07-17 16:34 ` Florian Fainelli [this message]
2020-07-17 20:00 ` [PATCH net 0/3] net: bcmgenet: fix WAKE_FILTER resume from deep sleep David Miller
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