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x86: acpi: Turn on ACPI mode for S3

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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>
This commit is contained in:
Bin Meng 2017-04-21 07:24:45 -07:00
parent 0f4e25887d
commit 82a5648f56
1 changed files with 3 additions and 0 deletions
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3
arch/x86/lib/acpi_s3.c
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@ -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);