Re: [PATCH v9 1/3] dmaengine: ptdma: Initial driver for the AMD PTDMA

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On Wed, Jun 16, 2021 at 06:23:10PM +0530, Sanjay R Mehta wrote:
> 
> 
> On 6/16/2021 5:53 PM, Greg KH wrote:
> > [CAUTION: External Email]
> > 
> > On Wed, Jun 16, 2021 at 05:30:49PM +0530, Sanjay R Mehta wrote:
> >> The pt_device is allocated and initialized in the PCI probe function and
> >> then we just get the "dev" from the "pci_dev" object and save it in
> >> "pt->dev" as shown in below snippet.
> >>
> >>
> >>    static int pt_pci_probe(struct pci_dev *pdev, const struct
> >> pci_device_id *id)
> >>    {
> >>       struct pt_device *pt;
> >>       struct pt_msix *pt_msix;
> >>       struct device *dev = &pdev->dev;
> > 
> > So "dev" is a parent here, or something else?
> > 
> > If it is the parent, please call it such otherwise it is confusing.
> > 
> > If you are creating child devices, what bus do they belong to?
> > 
> > Can you fix up this series and resend it so that we can review it again?
> > 
> 
> Hi Greg,
> 
> Yes, "dev" is the parent here and there are no child devices created.

But you should be creating a child device, as that will be the name you
need.  Or again, I am probably confused, I'll wait for the next round of
patches...

thanks,

greg k-h



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