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Message-Id: <1420684386-5975-9-git-send-email-jiang.liu@linux.intel.com>
Date: Thu, 8 Jan 2015 10:32:55 +0800
From: Jiang Liu <jiang.liu@...ux.intel.com>
To: "Rafael J. Wysocki" <rjw@...ysocki.net>,
Thomas Gleixner <tglx@...utronix.de>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Yinghai Lu <yinghai@...nel.org>,
Borislav Petkov <bp@...en8.de>, Len Brown <lenb@...nel.org>
Cc: Tony Luck <tony.luck@...el.com>, x86@...nel.org,
linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
linux-acpi@...r.kernel.org, Jiang Liu <jiang.liu@...ux.intel.com>
Subject: [RFC Patch 08/19] ACPI: Add prefetch decoding to the address space parser
From: Thomas Gleixner <tglx@...utronix.de>
Add support of PREFETCH attributre to ACPI address space and extended
address space parser.
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Signed-off-by: Jiang Liu <jiang.liu@...ux.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 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
--
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