[PATCH] acpi: iort: Update revision checking

[Jeffrey Hugo]

The IORT spec revC updated node types 1, 3, and 4 to revision 1, from
revision 0.  Update the revision checking to allow these node types to
have either revision 0 or revision 1.

Signed-off-by: Jeffrey Hugo <jhugo at codeaurora.org>
---
 src/acpi/iort/iort.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/acpi/iort/iort.c b/src/acpi/iort/iort.c
index 17ab1dc..a3a9a5a 100644
--- a/src/acpi/iort/iort.c
+++ b/src/acpi/iort/iort.c
@@ -74,7 +74,17 @@ static void iort_node_check(
 {
 	fwts_acpi_table_iort_node *node = (fwts_acpi_table_iort_node *)data;
 
-	if (node->revision != 0) {
+	if (node->type == 1 || node->type == 3 || node->type == 4) {
+		if (node->revision > 1) {
+			*passed = false;
+			fwts_failed(fw, LOG_LEVEL_LOW,
+				"IORTNodeRevisionInvalid",
+				"IORT Node Revision field is 0x%2.2" PRIx8
+				" and should be zero or one.",
+				node->revision);
+		} 
+
+	} else if (node->revision != 0) {
 		*passed = false;
 		fwts_failed(fw, LOG_LEVEL_LOW,
 			"IORTNodeRevisionNonZero",
-- 
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