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Merge branch 'pci/resource'

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- Refactor pci_ioremap_bar() and pci_ioremap_wc_bar() (Krzysztof
  Wilczyński)

- Optimize pci_resource_len() to reduce kernel size (Zhen Lei)

* pci/resource:
  PCI: Optimize pci_resource_len() to reduce kernel size
  PCI: Refactor pci_ioremap_bar() and pci_ioremap_wc_bar()
This commit is contained in:
Bjorn Helgaas
2021-09-02 14:56:43 -05:00
parent e210d9fc09 ca32b5310a
commit 9045f63e67
2 changed files with 17 additions and 15 deletions
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4
include/linux/pci.h
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@@ -1891,9 +1891,7 @@ int pci_iobar_pfn(struct pci_dev *pdev, int bar, struct vm_area_struct *vma);
#define pci_resource_end(dev, bar) ((dev)->resource[(bar)].end)
#define pci_resource_flags(dev, bar) ((dev)->resource[(bar)].flags)
#define pci_resource_len(dev,bar) \
((pci_resource_start((dev), (bar)) == 0 && \
pci_resource_end((dev), (bar)) == \
pci_resource_start((dev), (bar))) ? 0 : \
((pci_resource_end((dev), (bar)) == 0) ? 0 : \
\
(pci_resource_end((dev), (bar)) - \
pci_resource_start((dev), (bar)) + 1))