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x86: acpi: Turn on ACPI mode for S3
author
Bin Meng
<bmeng.cn@gmail.com>
Fri, 21 Apr 2017 14:24:45 +0000
(07:24 -0700)
committer
Bin Meng
<bmeng.cn@gmail.com>
Wed, 17 May 2017 09:11:46 +0000
(17:11 +0800)
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.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Tested-by: Stefan Roese <sr@denx.de>
arch/x86/lib/acpi_s3.c
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diff --git
a/arch/x86/lib/acpi_s3.c
b/arch/x86/lib/acpi_s3.c
index
e5cc3b0
..
0b62b75
100644
(file)
--- 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);