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authorArthur Heymans <arthur@aheymans.xyz>2021-05-05 10:42:24 +0200
committerPatrick Georgi <pgeorgi@google.com>2021-05-07 06:06:50 +0000
commita2c51158fe1d838e51f65603682d75791c003ab6 (patch)
tree492b37fb01ece25ef41f144a2b18e89e76d61590 /src/southbridge
parent89c5553d41bd19683fe03f82edbbafea4eac3c3b (diff)
downloadcoreboot-a2c51158fe1d838e51f65603682d75791c003ab6.tar.xz
sb/intel/common: Fix platform_is_resuming()
platform_is_resuming() was using the wrong register (PM1_STS) to figure out if the platform was resuming (PM1_CNT). Change-Id: I1f69dca1da158aae15c6da6d4c898c71d9cdb51f Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/coreboot/+/52930 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Diffstat (limited to 'src/southbridge')
-rw-r--r--src/southbridge/intel/common/pmbase.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/southbridge/intel/common/pmbase.c b/src/southbridge/intel/common/pmbase.c
index bbd2c25599..d5578fc27e 100644
--- a/src/southbridge/intel/common/pmbase.c
+++ b/src/southbridge/intel/common/pmbase.c
@@ -80,6 +80,10 @@ int acpi_get_sleep_type(void)
return acpi_sleep_from_pm1(read_pmbase32(PM1_CNT));
}
+/*
+ * Note that southbridge_detect_s3_resume clears the sleep state,
+ * so this may not be used reliable throughout romstage.
+ */
int platform_is_resuming(void)
{
u16 reg16 = read_pmbase16(PM1_STS);
@@ -87,5 +91,5 @@ int platform_is_resuming(void)
if (!(reg16 & WAK_STS))
return 0;
- return acpi_sleep_from_pm1(reg16) == ACPI_S3;
+ return acpi_get_sleep_type() == ACPI_S3;
}