linux-kernel - [PATCH] ACPI: PM: Output correct message on target power state

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Date:   Tue, 21 Apr 2020 15:55:16 +0800
From:   Kai-Heng Feng <kai.heng.feng@...onical.com>
To:     rjw@...ysocki.net
Cc:     Kai-Heng Feng <kai.heng.feng@...onical.com>,
        Len Brown <lenb@...nel.org>,
        linux-acpi@...r.kernel.org (open list:ACPI),
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] ACPI: PM: Output correct message on target power state

Transitioned power state logged at the end of setting ACPI power.

However, D3cold won't be in the message because state can only be D3hot
at most.

Use target_state to corretly report when power state is D3cold.

Signed-off-by: Kai-Heng Feng <kai.heng.feng@...onical.com>
---
 drivers/acpi/device_pm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index b2263ec67b43..5832bc10aca8 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -273,13 +273,13 @@ int acpi_device_set_power(struct acpi_device *device, int state)
  end:
 	if (result) {
 		dev_warn(&device->dev, "Failed to change power state to %s\n",
-			 acpi_power_state_string(state));
+			 acpi_power_state_string(target_state));
 	} else {
 		device->power.state = target_state;
 		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
 				  "Device [%s] transitioned to %s\n",
 				  device->pnp.bus_id,
-				  acpi_power_state_string(state)));
+				  acpi_power_state_string(target_state)));
 	}
 
 	return result;
-- 
2.17.1