diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2015-02-02 10:42:53 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-02-03 22:27:19 +0100 |
| commit | fcb29bbcd5404494eb46ad24908a4843b5a32060 (patch) | |
| tree | 3c3bed1a52c2f002bd06c21986fe99eb009c008e /drivers | |
| parent | 72e26b0d487fc494f40aa61e10a0757791e62e36 (diff) | |
ACPI: Add prefetch decoding to the address space parser
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>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/resource.c | 3 |
1 files changed, 3 insertions, 0 deletions
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); } |