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PCI updates for v4.5: 

Enumeration
     Allow generic PCI domains without bridge "parent" pointer (Krzysztof Hałasa)
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Merge tag 'pci-v4.5-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fix from Bjorn Helgaas:
 "Here's another fix for v4.5.  It fixes an ARM regression in v4.0 that
  causes many boxes to crash on boot, including cns3xxx, dove,
  footbridge, iopl13xx, ip32x, iop33x, ixp4xx, ks8695, mv78xx0, orion5x,
  pxa, sa1100, etc.

  The change is in code that's only built for ARM and ARM64.

  Summary:

  Enumeration:
    Allow generic PCI domains without bridge "parent" pointer (Krzysztof Hałasa)"

* tag 'pci-v4.5-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI: Allow a NULL "parent" pointer in pci_bus_assign_domain_nr()
hifive-unleashed-5.1
Linus Torvalds 2016-03-09 13:28:27 -08:00
parent 7f02bf6b5f 54c6e2dd00
commit 2f0d94ea41
1 changed files with 3 additions and 1 deletions
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4
drivers/pci/pci.c
View File

@ -4772,8 +4772,10 @@ int pci_get_new_domain_nr(void)
void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent)
{
static int use_dt_domains = -1;
int domain = of_get_pci_domain_nr(parent->of_node);
int domain = -1;
if (parent)
domain = of_get_pci_domain_nr(parent->of_node);
/*
* Check DT domain and use_dt_domains values.
*