Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C7FC84B44A8; Thu, 17 Sep 2026 18:11:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789668668; cv=none; b=ONBMTxQsxN6YpWJYWTphbKsnzWZ3tUoyb63PgINf0lfDQ8TPKTRu6mej2cahurKJqvbU5wCFxCdL93wfOz7Qbf9BNGKqwbDEw0np8FR0qRzcQmaFWlYz8rd9MiX/iisvMPK50Ox0xNmx01ByCUIKkFQQSxtIJ87c1MiwDecHs+s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789668668; c=relaxed/simple; bh=g6qixrqni+i9ohYYux8qOZNzXRj7gUX99j36fmAVhHI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Xjg/FnHq3Uhb62YHnLhHDh+N7tp/KGGhiZP/+L3oz2RbFKou32yxo3IqPn92u+3dssz8MKVYu+xlMaUm7VE1OJea2TjlONvwhyGPNzkWwh0IUqvYHykWkaG6LeBYZzPafeu81I8On5o9nlQ4QuD8p70qq/g9NulcepzfSyhobck= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=DBu/lWvq; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="DBu/lWvq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CCC151F00893; Thu, 17 Sep 2026 18:11:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789668666; bh=qNCn6V2VlAiDKglnifUplzuxr0QaFNyhvfW8doZNX0U=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=DBu/lWvq/s8RvBdviMZn0kWJW+C+1lvDlTMarGuyrcxDsgRfRFwEYM+IlkVP3B8l2 a7fNg2j03ZITuQZny9jeJP4Jgreo8UKAnZdDPPY2bLKf+466DFJSENA9Lnq4CmiAlR TQ3+RRVrkjt3hbYXAUU4OTNHZF2bcIoCn3/2kT6M= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, "Rafael J. Wysocki" , Sasha Levin Subject: [PATCH 6.12 0464/1102] Revert "ACPI: processor: Update cpuidle driver check in __acpi_processor_start()" Date: Thu, 17 Sep 2026 16:06:47 +0100 Message-ID: <20260917151551.337920984@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260917151539.408551884@linuxfoundation.org> References: <20260917151539.408551884@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Rafael J. Wysocki [ Upstream commit fbf04215d9966da61feee3f4ec24dbf4544cfd0f ] Revert commit 8a1b5d412cb4 ("ACPI: processor: Update cpuidle driver check in __acpi_processor_start()") which depends on commit 7a8c994cbb2d ("ACPI: processor: idle: Optimize ACPI idle driver registration") that got reverted. Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- drivers/acpi/processor_driver.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c index 2f5bfd00bfce8..d6d9c57dd555f 100644 --- a/drivers/acpi/processor_driver.c +++ b/drivers/acpi/processor_driver.c @@ -166,7 +166,7 @@ static int __acpi_processor_start(struct acpi_device *device) if (result && !IS_ENABLED(CONFIG_ACPI_CPU_FREQ_PSS)) dev_dbg(&device->dev, "CPPC data invalid or not present\n"); - if (cpuidle_get_driver() == &acpi_idle_driver) + if (!cpuidle_get_driver() || cpuidle_get_driver() == &acpi_idle_driver) acpi_processor_power_init(pr); acpi_pss_perf_init(pr); -- 2.53.0