Before jumping to OS waking up vector, we need turn on ACPI mode
for S3, just like what we do for a normal boot.
Signed-off-by: Bin Meng <bmeng...@gmail.com>
Reviewed-by: Simon Glass <s...@chromium.org>
---
Changes in v2: None
arch/x86/lib/acpi_s3.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/x86/lib/acpi_s3.c b/arch/x86/lib/acpi_s3.c
index e5cc3b0..0b62b75 100644
--- a/arch/x86/lib/acpi_s3.c
+++ b/arch/x86/lib/acpi_s3.c
@@ -24,6 +24,9 @@ void acpi_resume(struct acpi_fadt *fadt)
{
void *wake_vec;
+ /* Turn on ACPI mode for S3 */
+ enter_acpi_mode(fadt->pm1a_cnt_blk);
+
wake_vec = acpi_find_wakeup_vector(fadt);
post_code(POST_OS_RESUME);
--
2.9.2
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