On Thu, May 12, 2016 at 12:03:52AM -0700, Christoph Hellwig wrote:
> > static void nvme_dev_unmap(struct nvme_dev *dev)
> > {
> > + struct pci_dev *pdev = to_pci_dev(dev->dev);
> > + int bars;
> > +
> > if (dev->bar)
> > iounmap(dev->bar);
> > - pci_release_regions(to_pci_dev(dev->dev));
> > +
> > + bars = pci_select_bars(pdev, IORESOURCE_MEM);
> > + pci_release_selected_regions(pdev, bars);
>
> This looks fine, but I really hate this API.
>
> Can someone add these two nice helpers to pci.h:
Well I could send a patch, but then this is your code...
>
> static inline int
> pci_request_mem_regions(struct pci_dev *pdev, const char *name)
> {
> return pci_request_selected_regions(pdev,
> pci_select_bars(pdev, IORESOURCE_MEM), name);
> }
>
> static inline void
> pci_release_mem_regions(struct pci_dev *pdev)
> {
> return pci_release_selected_regions(pdev,
> pci_select_bars(pdev, IORESOURCE_MEM));
> }
>
> But for now this should do it:
>
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Thanks
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Johannes Thumshirn Storage
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