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Message-ID: <1449199466-6081-9-git-send-email-annie.wang@amd.com>
Date:	Fri, 4 Dec 2015 11:24:25 +0800
From:	Wang Hongcheng <annie.wang@....com>
To:	Vinod Koul <vinod.koul@...el.com>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	Joerg Roedel <joro@...tes.org>,
	"Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>
CC:	<linux-acpi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-serial@...r.kernel.org>, <dmaengine@...r.kernel.org>,
	<iommu@...ts.linux-foundation.org>, Borislav Petkov <bp@...en8.de>,
	Huang Rui <ray.huang@....com>,
	Wan Zongshun <vincent.wan@....com>, Ken Xue <ken.xue@....com>,
	Tony Li <tony.li@....com>, Wan Zongshun <Vincent.Wan@....com>
Subject: [PATCH 8/9] Documentation: Add ivrs_acpihid kernel parameter description

From: Wan Zongshun <Vincent.Wan@....com>

Add ivrs_acpihid kernel parameter description,
like ivrs_acpihid[00:14.5]=AMD0020:0.

Signed-off-by: Wan Zongshun <Vincent.Wan@....com>
---
 Documentation/kernel-parameters.txt | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 742f69d..5c364c6 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1680,6 +1680,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 			PCI device 00:14.0 write the parameter as:
 				ivrs_hpet[0]=00:14.0
 
+	ivrs_acpihid	[HW,X86_64]
+			Provide an override to the ACPI-HID:UID<->DEVICE-ID
+			mapping provided in the IVRS ACPI table. For
+			example, to map UART-HID:UID AMD0020:0 to
+			PCI device 00:14.5 write the parameter as:
+				ivrs_acpihid[00:14.5]=AMD0020:0
+
 	js=		[HW,JOY] Analog joystick
 			See Documentation/input/joystick.txt.
 
-- 
1.9.1

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