From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
stable@vger.kernel.org, Gianpaolo <gianpaoloc@gmail.com>,
"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Subject: [PATCH 4.8 26/33] Revert "ACPI: Execute _PTS before system reboot"
Date: Tue, 13 Dec 2016 09:16:27 -0800 [thread overview]
Message-ID: <20161213171535.736530005@linuxfoundation.org> (raw)
In-Reply-To: <20161213171534.171564506@linuxfoundation.org>
4.8-stable review patch. If anyone has any objections, please let me know.
------------------
From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
commit 9713adc2a1a5488f4889c657a0c0ce0c16056d3c upstream.
Revert commit 2c85025c75df (ACPI: Execute _PTS before system reboot)
as it is reported to cause poweroff and reboot to hang on Dell
Latitude E7250.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=187061
Reported-by: Gianpaolo <gianpaoloc@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/acpi/sleep.c | 29 ++++++-----------------------
1 file changed, 6 insertions(+), 23 deletions(-)
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -47,32 +47,15 @@ static void acpi_sleep_tts_switch(u32 ac
}
}
-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;
}
next prev parent reply other threads:[~2016-12-13 17:21 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20161213171629epcas1p4dc2737fb27df6f1d6148edf348dde1c7@epcas1p4.samsung.com>
2016-12-13 17:16 ` [PATCH 4.8 00/33] 4.8.15-stable review Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 01/33] powerpc/eeh: Fix deadlock when PE frozen state cant be cleared Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 02/33] powerpc/mm: Fix lazy icache flush on pre-POWER5 Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 03/33] powerpc/boot: Fix build failure in 32-bit boot wrapper Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 04/33] fuse: fix clearing suid, sgid for chown() Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 05/33] parisc: Purge TLB before setting PTE Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 06/33] parisc: Remove unnecessary TLB purges from flush_dcache_page_asm and flush_icache_page_asm Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 07/33] parisc: Fix TLB related boot crash on SMP machines Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 08/33] zram: restrict add/remove attributes to root only Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 09/33] locking/rtmutex: Prevent dequeue vs. unlock race Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 10/33] locking/rtmutex: Use READ_ONCE() in rt_mutex_owner() Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 11/33] device-dax: fix private mapping restriction, permit read-only Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 12/33] scsi: lpfc: fix oops/BUG in lpfc_sli_ringtxcmpl_put() Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 13/33] sched/autogroup: Fix 64-bit kernel nice level adjustment Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 14/33] vhost-vsock: fix orphan connection reset Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 15/33] perf/x86: Fix full width counter, counter overflow Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 16/33] acpi, nfit: fix extended status translations for ACPI DSMs Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 17/33] acpi, nfit, libnvdimm: fix / harden ars_status output length handling Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 18/33] acpi, nfit: validate ars_status output buffer size Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 19/33] acpi, nfit: fix bus vs dimm confusion in xlat_status Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 20/33] crypto: marvell - Dont copy hash operation twice into the SRAM Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 22/33] crypto: mcryptd - Check mcryptd algorithm compatibility Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 23/33] crypto: marvell - Dont corrupt state of an STD req for re-stepped ahash Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 24/33] can: raw: raw_setsockopt: limit number of can_filter that can be set Greg Kroah-Hartman
2016-12-13 17:16 ` Greg Kroah-Hartman [this message]
2016-12-13 17:16 ` [PATCH 4.8 27/33] ARM: dts: orion5x: fix number of sata port for linkstation ls-gl Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 28/33] ARM: dts: imx7d: fix LCDIF clock assignment Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 29/33] ceph: dont set req->r_locked_dir in ceph_d_revalidate Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 30/33] m68k: Fix ndelay() macro Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 31/33] batman-adv: Check for alloc errors when preparing TT local data Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 32/33] hotplug: Make register and unregister notifier API symmetric Greg Kroah-Hartman
2016-12-13 17:16 ` [PATCH 4.8 33/33] crypto: rsa - Add Makefile dependencies to fix parallel builds Greg Kroah-Hartman
2016-12-13 19:32 ` [PATCH 4.8 00/33] 4.8.15-stable review Shuah Khan
2016-12-13 20:07 ` Greg Kroah-Hartman
2016-12-14 4:13 ` Guenter Roeck
2016-12-14 12:49 ` Greg Kroah-Hartman
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