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author | Thomas Gleixner <tglx@linutronix.de> | 2015-02-02 10:42:53 +0800 |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2015-02-03 22:27:19 +0100 |
commit | fcb29bbcd5404494eb46ad24908a4843b5a32060 (patch) | |
tree | 3c3bed1a52c2f002bd06c21986fe99eb009c008e /drivers/acpi | |
parent | 72e26b0d487fc494f40aa61e10a0757791e62e36 (diff) | |
download | op-kernel-dev-fcb29bbcd5404494eb46ad24908a4843b5a32060.zip op-kernel-dev-fcb29bbcd5404494eb46ad24908a4843b5a32060.tar.gz |
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/acpi')
-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 15d1793..7ce00a6 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); } |