On Mon, Nov 28, 2016 at 10:16:07PM -0600, Bjorn Helgaas wrote:
>Remove the assumption that IORESOURCE_ROM_ENABLE == PCI_ROM_ADDRESS_ENABLE.
>PCI_ROM_ADDRESS_ENABLE is the ROM enable bit defined by the PCI spec, so if
>we're reading or writing a BAR register value, that's what we should use.
>IORESOURCE_ROM_ENABLE is a corresponding bit in struct resource flags.
>
>Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Reviewed-by: Gavin Shan <gwshan@xxxxxxxxxxxxxxxxxx>
>---
> drivers/pci/probe.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
>diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
>index ab00267..cf7670e 100644
>--- a/drivers/pci/probe.c
>+++ b/drivers/pci/probe.c
>@@ -227,7 +227,8 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
> mask64 = (u32)PCI_BASE_ADDRESS_MEM_MASK;
> }
> } else {
>- res->flags |= (l & IORESOURCE_ROM_ENABLE);
>+ if (l & PCI_ROM_ADDRESS_ENABLE)
>+ res->flags |= IORESOURCE_ROM_ENABLE;
> l64 = l & PCI_ROM_ADDRESS_MASK;
> sz64 = sz & PCI_ROM_ADDRESS_MASK;
> mask64 = (u32)PCI_ROM_ADDRESS_MASK;
>
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