linux-kernel - [tip:x86/mm] x86/iommu/dmar: Remove warning for HPET scope type

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Message-ID: <tip-13f72756da86f155898e2c2022f7b3a106c3742e@git.kernel.org>
Date:	Wed, 24 Apr 2013 02:31:22 -0700
From:	tip-bot for Linn Crosetto <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	linn@...com, tglx@...utronix.de
Subject: [tip:x86/mm] x86/iommu/dmar: Remove warning for HPET scope type

Commit-ID:  13f72756da86f155898e2c2022f7b3a106c3742e
Gitweb:     http://git.kernel.org/tip/13f72756da86f155898e2c2022f7b3a106c3742e
Author:     Linn Crosetto <linn@...com>
AuthorDate: Tue, 23 Apr 2013 12:26:45 -0600
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Wed, 24 Apr 2013 08:45:47 +0200

x86/iommu/dmar: Remove warning for HPET scope type

ACPI_DMAR_SCOPE_TYPE_HPET is parsed by
ir_parse_ioapic_hpet_scope() and should not be flagged as an
unsupported type.

Signed-off-by: Linn Crosetto <linn@...com>
Cc: joro@...tes.org
Cc: ddutile@...hat.com
Cc: suresh.b.siddha@...el.com
Link: http://lkml.kernel.org/r/1366741605-71293-1-git-send-email-linn@hp.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 drivers/iommu/dmar.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index e5cdaf8..b8008f6 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -129,7 +129,8 @@ int __init dmar_parse_dev_scope(void *start, void *end, int *cnt,
 		if (scope->entry_type == ACPI_DMAR_SCOPE_TYPE_ENDPOINT ||
 		    scope->entry_type == ACPI_DMAR_SCOPE_TYPE_BRIDGE)
 			(*cnt)++;
-		else if (scope->entry_type != ACPI_DMAR_SCOPE_TYPE_IOAPIC) {
+		else if (scope->entry_type != ACPI_DMAR_SCOPE_TYPE_IOAPIC &&
+			scope->entry_type != ACPI_DMAR_SCOPE_TYPE_HPET) {
 			pr_warn("Unsupported device scope\n");
 		}
 		start += scope->length;
--
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