Re: [PATCH v5 07/14] PCI: Add driver dma ownership management

[Jason Gunthorpe]

On Wed, Feb 23, 2022 at 12:00:56PM -0600, Bjorn Helgaas wrote:

> >  static int pci_dma_configure(struct device *dev)
> >  {
> > +	struct pci_driver *driver = to_pci_driver(dev->driver);
> >  	struct device *bridge;
> >  	int ret = 0;
> >  
> > +	if (!driver->no_kernel_api_dma) {
> 
> Ugh.  Double negative, totally agree this needs a better name that
> reverses the sense.  Every place you use it, you negate it again.

Greg came up with driver_managed_dma which is in the v6 version:

https://lore.kernel.org/all/20220218005521.172832-5-baolu.lu@xxxxxxxxxxxxxxx/

Thanks,
Jason