Messages in this thread Patch in this message | | | From | Mario Limonciello <> | Subject | [PATCH v3 03/10] ACPI: LPIT: Use new `pm_suspend_preferred_s2idle` | Date | Thu, 30 Jun 2022 21:33:21 -0500 |
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Drop the direct check from the FADT and use the helper instead.
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> --- drivers/acpi/acpi_lpit.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/acpi/acpi_lpit.c b/drivers/acpi/acpi_lpit.c index 48e5059d67ca..31c49107c579 100644 --- a/drivers/acpi/acpi_lpit.c +++ b/drivers/acpi/acpi_lpit.c @@ -6,6 +6,7 @@ * Copyright (C) 2017 Intel Corporation. All rights reserved. */ +#include <linux/suspend.h> #include <linux/cpu.h> #include <linux/acpi.h> #include <asm/msr.h> @@ -109,7 +110,7 @@ static void lpit_update_residency(struct lpit_residency_info *info, if (!info->iomem_addr) return; - if (!(acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0)) + if (!pm_suspend_preferred_s2idle()) return; /* Silently fail, if cpuidle attribute group is not present */ @@ -117,7 +118,7 @@ static void lpit_update_residency(struct lpit_residency_info *info, &dev_attr_low_power_idle_system_residency_us.attr, "cpuidle"); } else if (info->gaddr.space_id == ACPI_ADR_SPACE_FIXED_HARDWARE) { - if (!(acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0)) + if (!pm_suspend_preferred_s2idle()) return; /* Silently fail, if cpuidle attribute group is not present */ -- 2.34.1
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