[PATCH v3 42/51] of/PCI: Add IORESOURCE_MEM_64 for 64-bit resource
From: Yinghai Lu <yinghai@kernel.org>
Date: 2015-07-27 23:31:58
Also in:
linux-pci, lkml
Subsystem:
open firmware and flattened device tree, the rest · Maintainers:
Rob Herring, Saravana Kannan, Linus Torvalds
For device resource PREF bit setting under bridge 64-bit pref resource, we need to make sure only set PREF for 64bit resource, so set IORESOUCE_MEM_64 for 64bit resource during of device resource flags parsing. Link: https://bugzilla.kernel.org/show_bug.cgi?id=96261 Link: https://bugzilla.kernel.org/show_bug.cgi?id=96241 Signed-off-by: Yinghai Lu <yinghai@kernel.org> Cc: Grant Likely <redacted> Cc: Rob Herring <robh+dt@kernel.org> Cc: devicetree@vger.kernel.org --- drivers/of/address.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/of/address.c b/drivers/of/address.c
index 8bfda6a..073125f 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c@@ -128,9 +128,11 @@ static unsigned int of_bus_pci_get_flags(const __be32 *addr) flags |= IORESOURCE_IO; break; case 0x02: /* 32 bits */ - case 0x03: /* 64 bits */ flags |= IORESOURCE_MEM; break; + case 0x03: /* 64 bits */ + flags |= IORESOURCE_MEM | IORESOURCE_MEM_64; + break; } if (w & 0x40000000) flags |= IORESOURCE_PREFETCH;
--
1.8.4.5