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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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