linux-kernel - Re: [PATCH v1 01/12] fbdev: gxfb: use generic power management

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Message-ID: <20200810094413.GA7579@gmail.com>
Date:   Mon, 10 Aug 2020 15:14:13 +0530
From:   Vaibhav Gupta <vaibhavgupta40@...il.com>
To:     Sam Ravnborg <sam@...nborg.org>
Cc:     Bjorn Helgaas <helgaas@...nel.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Bjorn Helgaas <bjorn@...gaas.com>,
        Vaibhav Gupta <vaibhav.varodek@...il.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Paul Mackerras <paulus@...ba.org>,
        Russell King <linux@...linux.org.uk>,
        Andres Salomon <dilinger@...ued.net>,
        Antonino Daplas <adaplas@...il.com>,
        linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linux-geode@...ts.infradead.org,
        Shuah Khan <skhan@...uxfoundation.org>,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v1 01/12] fbdev: gxfb: use generic power management

> > > -static int gxfb_suspend(struct pci_dev *pdev, pm_message_t state)
> > > +static int __maybe_unused gxfb_suspend(struct device *dev)
> > >  {
> > > -	struct fb_info *info = pci_get_drvdata(pdev);
> > > +	struct fb_info *info = dev_get_drvdata(dev);
> > I do not see any dev_set_drvdata() so I guess we get a NULL pointer
> > here which is not intended.
> > Adding a dev_set_data() to gxfb_probe() would do the trick.
> > 
> gxfb_probe() invokes pci_set_drvdata(pdev, info) which in turn calls
> dev_set_drvdata(&pdev->dev, data). Adding dev_get_drvdata() will be redundant.
> 
s/dev_get_drvdata/dev_set_drvdata

Thanks
Vaibhav Gupta