linux-kernel - [PATCH] iommu: dmar -- remove warning for HPET scope type

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Message-Id: <1366741605-71293-1-git-send-email-linn@hp.com>
Date:	Tue, 23 Apr 2013 12:26:45 -0600
From:	Linn Crosetto <linn@...com>
To:	joro@...tes.org, mingo@...nel.org, ddutile@...hat.com,
	suresh.b.siddha@...el.com
Cc:	linux-kernel@...r.kernel.org, Linn Crosetto <linn@...com>
Subject: [PATCH] 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>
---
 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;
-- 
1.7.11.3

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