[Patch v2 08/22] ACPI: Add prefetch decoding to the address space parser

Jiang Liu
2015-01-28T21:49:46Z

From: Thomas Gleixner <tglx@linutronix.de>

Add support of PREFETCH attributre to ACPI address space and extended
address space parser.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
---
drivers/acpi/resource.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index 15d17937c431..7ce00a63f695 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -200,6 +200,9 @@ static bool acpi_decode_space(struct resource *res,
if (addr->producer_consumer == ACPI_PRODUCER)
res->flags |= IORESOURCE_WINDOW;

+ if (addr->info.mem.caching == ACPI_PREFETCHABLE_MEMORY)
+ res->flags |= IORESOURCE_PREFETCH;
+
return !(res->flags & IORESOURCE_DISABLED);
}

--
1.7.10.4