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PCI updates for v4.4: 

HiSilicon host bridge driver
     Fix 32-bit config reads (Dongdong Liu)
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Merge tag 'pci-v4.4-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI bugfix from Bjorn Helgaas:
 "Here's another fix for v4.4.

  This fixes 32-bit config reads for the HiSilicon driver.  Obviously
  the driver is completely broken without this fix (apparently it
  actually was tested internally, but got broken somehow in the process
  of upstreaming it).

  Summary:

  HiSilicon host bridge driver
    Fix 32-bit config reads (Dongdong Liu)"

* tag 'pci-v4.4-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI: hisi: Fix hisi_pcie_cfg_read() 32-bit reads
This commit is contained in:
Linus Torvalds 2015-12-31 14:59:21 -08:00
parent 7c672dd601 1dbe162d53
commit 9c982e86db
1 changed files with 3 additions and 1 deletions
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4
drivers/pci/host/pcie-hisi.c
View File

@ -61,7 +61,9 @@ static int hisi_pcie_cfg_read(struct pcie_port *pp, int where, int size,
*val = *(u8 __force *) walker;
else if (size == 2)
*val = *(u16 __force *) walker;
else if (size != 4)
else if (size == 4)
*val = reg_val;
else
return PCIBIOS_BAD_REGISTER_NUMBER;
return PCIBIOS_SUCCESSFUL;