linux-kernel - [PATCH v3 05/10] rtc: cmos: Use `pm_suspend_preferred

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Date:   Thu, 30 Jun 2022 21:33:23 -0500
From:   Mario Limonciello <mario.limonciello@....com>
To:     <mario.limonciello@....com>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
CC:     <linux-pm@...r.kernel.org>, <linux-rtc@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v3 05/10] rtc: cmos: Use `pm_suspend_preferred_s2idle`

Drop the direct check from the FADT and use the helper instead.

Signed-off-by: Mario Limonciello <mario.limonciello@....com>
---
 drivers/rtc/rtc-cmos.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index 7c006c2b125f..2e3d35e87061 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -32,6 +32,7 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/spinlock.h>
+#include <linux/suspend.h>
 #include <linux/platform_device.h>
 #include <linux/log2.h>
 #include <linux/pm.h>
@@ -1260,7 +1261,7 @@ static void use_acpi_alarm_quirks(void)
 	if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL)
 		return;
 
-	if (!(acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0))
+	if (!pm_suspend_preferred_s2idle())
 		return;
 
 	if (!is_hpet_enabled())
-- 
2.34.1