[Xen-devel] [PATCH RFC v1 12/74] xen/acpi: mark the PM timer FADT field as optional

[Wei Liu <wei.liu2@xxxxxxxxxx>]

From: Roger Pau Monne <roger.pau@xxxxxxxxxx>

According to the ACPI 6.1 specification this field is optional, so
mark it as such.

Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
---
 xen/drivers/acpi/tables/tbfadt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/drivers/acpi/tables/tbfadt.c b/xen/drivers/acpi/tables/tbfadt.c
index d62d8d5cb9..e84a726dfe 100644
--- a/xen/drivers/acpi/tables/tbfadt.c
+++ b/xen/drivers/acpi/tables/tbfadt.c
@@ -95,7 +95,7 @@ static struct acpi_fadt_info __initdata fadt_info_table[] = {
 
        {"PmTimerBlock", ACPI_FADT_OFFSET(xpm_timer_block),
         ACPI_FADT_OFFSET(pm_timer_block),
-        ACPI_FADT_OFFSET(pm_timer_length), ACPI_FADT_REQUIRED},
+        ACPI_FADT_OFFSET(pm_timer_length), ACPI_FADT_OPTIONAL},
 
        {"Gpe0Block", ACPI_FADT_OFFSET(xgpe0_block),
         ACPI_FADT_OFFSET(gpe0_block),
-- 
2.11.0


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