Messages in this thread Patch in this message | | | From | Liviu Dudau <> | Subject | [PATCH 2/2] of: treat PCI config space as IORESOURCE_MEM type with special flags. | Date | Sat, 31 May 2014 01:36:41 +0100 |
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If we have a PCI config space specified in something like a ranges property we should treat it as memory type resource. Use the IORESOURCE_ECFG bit to distinguish the config space from standard IORESOURCE_MEM resources.
Signed-off-by: Kumar Gama <galak@codeaurora.org> [Updated commit log and added IORESOURCE_ECFG bit] Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com> --- drivers/of/address.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/of/address.c b/drivers/of/address.c index 2fcfbae..877e9e5 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -123,6 +123,9 @@ static unsigned int of_bus_pci_get_flags(const __be32 *addr) u32 w = be32_to_cpup(addr); switch((w >> 24) & 0x03) { + case 0x00: /* cfg space */ + flags |= IORESOURCE_MEM | IORESOURCE_PCI_ECFG; + break; case 0x01: flags |= IORESOURCE_IO; break; -- 1.9.2
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