latitude5450/kernel/revert_pts_before_reboot.patch

66 lines
1.9 KiB
Diff

From c68d3d1812326d3845220564b69faa720c297c73 Mon Sep 17 00:00:00 2001
From: Daniele Viganò <daniele@vigano.me>
Date: Thu, 10 Nov 2016 08:11:29 +0100
Subject: [PATCH] Reverting 2c85025c75dfe7ddc2bb33363a998dad59383f94
---
drivers/acpi/sleep.c | 29 ++++++-----------------------
1 file changed, 6 insertions(+), 23 deletions(-)
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 2b38c1b..7a2e4d4 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -47,32 +47,15 @@ static void acpi_sleep_tts_switch(u32 acpi_state)
}
}
-static void acpi_sleep_pts_switch(u32 acpi_state)
-{
- acpi_status status;
-
- status = acpi_execute_simple_method(NULL, "\\_PTS", acpi_state);
- if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
- /*
- * OS can't evaluate the _PTS object correctly. Some warning
- * message will be printed. But it won't break anything.
- */
- printk(KERN_NOTICE "Failure in evaluating _PTS object\n");
- }
-}
-
-static int sleep_notify_reboot(struct notifier_block *this,
+static int tts_notify_reboot(struct notifier_block *this,
unsigned long code, void *x)
{
acpi_sleep_tts_switch(ACPI_STATE_S5);
-
- acpi_sleep_pts_switch(ACPI_STATE_S5);
-
return NOTIFY_DONE;
}
-static struct notifier_block sleep_notifier = {
- .notifier_call = sleep_notify_reboot,
+static struct notifier_block tts_notifier = {
+ .notifier_call = tts_notify_reboot,
.next = NULL,
.priority = 0,
};
@@ -916,9 +899,9 @@ int __init acpi_sleep_init(void)
pr_info(PREFIX "(supports%s)\n", supported);
/*
- * Register the sleep_notifier to reboot notifier list so that the _TTS
- * and _PTS object can also be evaluated when the system enters S5.
+ * Register the tts_notifier to reboot notifier list so that the _TTS
+ * object can also be evaluated when the system enters S5.
*/
- register_reboot_notifier(&sleep_notifier);
+ register_reboot_notifier(&tts_notifier);
return 0;
}
--
2.7.4