linux-kernel - Re: mt7612 suspend/resume issue

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Message-ID: <20200622145338.GB27892@localhost.localdomain>
Date:   Mon, 22 Jun 2020 16:53:38 +0200
From:   Lorenzo Bianconi <lorenzo.bianconi@...hat.com>
To:     Oleksandr Natalenko <oleksandr@...hat.com>
Cc:     Lorenzo Bianconi <lorenzo@...nel.org>,
        Lorenzo Bianconi <lorenzo.bianconi83@...il.com>,
        Felix Fietkau <nbd@....name>,
        Ryder Lee <ryder.lee@...iatek.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-mediatek@...ts.infradead.org,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: mt7612 suspend/resume issue

> Hello, Lorenzo.
> 
> On Sun, Jun 21, 2020 at 10:54 PM Lorenzo Bianconi <lorenzo@...nel.org> wrote:
> > > > +static int __maybe_unused
> > > > +mt76x2e_suspend(struct pci_dev *pdev, pm_message_t state)
> > > > +{
> > > > +   struct mt76_dev *mdev = pci_get_drvdata(pdev);
> > > > +   struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76);
> > > > +   int i, err;
> >
> > can you please double-check what is the PCI state requested during suspend?
> 
> Do you mean ACPI S3 (this is the state the system enters)?  If not,
> what should I check and where?

yes, right. Just for debugging, can you please force the card in PCI_D0 during the
suspend?

Regards,
Lorenzo

> 
> Thanks.
> 
> -- 
>   Best regards,
>     Oleksandr Natalenko (post-factum)
>     Principal Software Maintenance Engineer
> 

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