linux-kernel - [PATCH 5.11 035/152] Revert "PM: ACPI: reboot: Use S5 for reboot"

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Date:   Mon,  5 Apr 2021 10:53:04 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Josef Bacik <josef@...icpanda.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.11 035/152] Revert "PM: ACPI: reboot: Use S5 for reboot"

From: Josef Bacik <josef@...icpanda.com>

[ Upstream commit 9d3fcb28f9b9750b474811a2964ce022df56336e ]

This reverts commit d60cd06331a3566d3305b3c7b566e79edf4e2095.

This patch causes a panic when rebooting my Dell Poweredge r440.  I do
not have the full panic log as it's lost at that stage of the reboot and
I do not have a serial console.  Reverting this patch makes my system
able to reboot again.

Signed-off-by: Josef Bacik <josef@...icpanda.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 kernel/reboot.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/reboot.c b/kernel/reboot.c
index eb1b15850761..a6ad5eb2fa73 100644
--- a/kernel/reboot.c
+++ b/kernel/reboot.c
@@ -244,8 +244,6 @@ void migrate_to_reboot_cpu(void)
 void kernel_restart(char *cmd)
 {
 	kernel_restart_prepare(cmd);
-	if (pm_power_off_prepare)
-		pm_power_off_prepare();
 	migrate_to_reboot_cpu();
 	syscore_shutdown();
 	if (!cmd)
-- 
2.30.1