linux-kernel - [PATCH v2 2/3] ACPI: processor: idle: Redefine acpi_processor_setup_cpuidle

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Message-ID: <20260120112258.1595164-3-lihuisong@huawei.com>
Date: Tue, 20 Jan 2026 19:22:57 +0800
From: Huisong Li <lihuisong@...wei.com>
To: <rafael@...nel.org>, <lenb@...nel.org>
CC: <linux-acpi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linuxarm@...wei.com>, <jonathan.cameron@...wei.com>,
	<zhanjie9@...ilicon.com>, <zhenglifeng1@...wei.com>, <yubowen8@...wei.com>,
	<wangzhi12@...wei.com>, <zhangpengjie2@...wei.com>, <lihuisong@...wei.com>
Subject: [PATCH v2 2/3] ACPI: processor: idle: Redefine acpi_processor_setup_cpuidle_dev to void

The callers of acpi_processor_setup_cpuidle_dev() ignore its return value.
This function can be redefined to a void function.

No intentional functional impact.

Signed-off-by: Huisong Li <lihuisong@...wei.com>
---
 drivers/acpi/processor_idle.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index d055dbae36c8..ba4cde028b0e 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -1243,18 +1243,19 @@ static void acpi_processor_setup_cpuidle_states(struct acpi_processor *pr)
  * @pr: the ACPI processor
  * @dev : the cpuidle device
  */
-static int acpi_processor_setup_cpuidle_dev(struct acpi_processor *pr,
-					    struct cpuidle_device *dev)
+static void acpi_processor_setup_cpuidle_dev(struct acpi_processor *pr,
+					     struct cpuidle_device *dev)
 {
 	if (!pr->flags.power_setup_done || !pr->flags.power || !dev)
-		return -EINVAL;
+		return;
 
 	dev->cpu = pr->id;
-	if (pr->flags.has_lpi)
-		return acpi_processor_ffh_lpi_probe(pr->id);
+	if (pr->flags.has_lpi) {
+		acpi_processor_ffh_lpi_probe(pr->id);
+		return;
+	}
 
 	acpi_processor_setup_cpuidle_cx(pr, dev);
-	return 0;
 }
 
 static int acpi_processor_get_power_info(struct acpi_processor *pr)
-- 
2.33.0