From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiang Liu Subject: [RFC Patch 08/19] ACPI: Add prefetch decoding to the address space parser Date: Thu, 8 Jan 2015 10:32:55 +0800 Message-ID: <1420684386-5975-9-git-send-email-jiang.liu@linux.intel.com> References: <1420684386-5975-1-git-send-email-jiang.liu@linux.intel.com> Return-path: In-Reply-To: <1420684386-5975-1-git-send-email-jiang.liu@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org To: "Rafael J. Wysocki" , Thomas Gleixner , Bjorn Helgaas , Yinghai Lu , Borislav Petkov , Len Brown Cc: Tony Luck , x86@kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, Jiang Liu List-Id: linux-acpi@vger.kernel.org From: Thomas Gleixner Add support of PREFETCH attributre to ACPI address space and extended address space parser. Signed-off-by: Thomas Gleixner Signed-off-by: Jiang Liu --- drivers/acpi/resource.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c index a56a64164410..abe3a29ad802 100644 --- a/drivers/acpi/resource.c +++ b/drivers/acpi/resource.c @@ -200,6 +200,9 @@ static bool acpi_decode_space(struct resource *res, if (base->producer_consumer == ACPI_PRODUCER) res->flags |= IORESOURCE_WINDOW; + if (base->info.mem.caching == ACPI_PREFETCHABLE_MEMORY) + res->flags |= IORESOURCE_PREFETCH; + return !(res->flags & IORESOURCE_DISABLED); } -- 1.7.10.4