linux-kernel - Re: [PATCH 4/4] ftgmac100: Restart MAC HW once

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Message-ID: <CACPK8XfMEy2o39v3CG4Zzj9H_kqSFBOddL3SC-_OryMqVXEjOw@mail.gmail.com>
Date:   Fri, 12 Mar 2021 00:26:43 +0000
From:   Joel Stanley <joel@....id.au>
To:     Dylan Hung <dylan_hung@...eedtech.com>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Networking <netdev@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Po-Yu Chuang <ratbert@...aday-tech.com>,
        linux-aspeed <linux-aspeed@...ts.ozlabs.org>,
        OpenBMC Maillist <openbmc@...ts.ozlabs.org>,
        BMC-SW <BMC-SW@...eedtech.com>
Subject: Re: [PATCH 4/4] ftgmac100: Restart MAC HW once

On Tue, 20 Oct 2020 at 04:14, Joel Stanley <joel@....id.au> wrote:
>
> On Mon, 19 Oct 2020 at 08:57, Dylan Hung <dylan_hung@...eedtech.com> wrote:
> >
> > The interrupt handler may set the flag to reset the mac in the future,
> > but that flag is not cleared once the reset has occured.
> >
> > Fixes: 10cbd6407609 ("ftgmac100: Rework NAPI & interrupts handling")
> > Signed-off-by: Dylan Hung <dylan_hung@...eedtech.com>
> > Signed-off-by: Joel Stanley <joel@....id.au>
>
> Reviewed-by: Joel Stanley <joel@....id.au>

net maintainers, this one never made it into the tree. Do you need me
to re-send it?

Cheers,

Joel

>
> > ---
> >  drivers/net/ethernet/faraday/ftgmac100.c | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c
> > index 0c67fc3e27df..57736b049de3 100644
> > --- a/drivers/net/ethernet/faraday/ftgmac100.c
> > +++ b/drivers/net/ethernet/faraday/ftgmac100.c
> > @@ -1326,6 +1326,7 @@ static int ftgmac100_poll(struct napi_struct *napi, int budget)
> >          */
> >         if (unlikely(priv->need_mac_restart)) {
> >                 ftgmac100_start_hw(priv);
> > +               priv->need_mac_restart = false;
> >
> >                 /* Re-enable "bad" interrupts */
> >                 ftgmac100_write(FTGMAC100_INT_BAD, priv->base + FTGMAC100_OFFSET_IER);
> > --
> > 2.17.1
> >