From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 71343C433EF for ; Wed, 22 Jun 2022 12:00:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Message-ID:References:In-Reply-To:Subject:Cc:To:From :Date:MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=3K7MygK4F6c2J97f7Z/E2lXKQzDAI4+daQz0lYmwyLU=; b=wDQC9hq4qw+tTtYqb7nipSXaxB tkF4FD8MyLDZImj9lCF7n/R9bYz0nUCw42mP0J9VgKnew9ygux59YFLpNoI4XTguJjlHbM+dbe5ho naMYoY6H7bSbyBclkpc0WOWtaeAaND5VjN5A76PZRfrRmxfmxxJ9LtcF9sbcGQBMTLMJ4inkpMuuI 5ePhaqlrHGeSq9cityeC3a1AxCY1jSE6lJRAAFIxNLzqtHy4g7B25ISSCphw3r2qCren0DGC5HJgk fXh1CPE+WWJN/AG9dFDjGo+F1J6s1wqKujPHpbGmFlNCUA4QCXMI5XY+kqVnnMBZxZuh3GAyTgQXY iG236Gkw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1o3z1Z-00AFNj-T4; Wed, 22 Jun 2022 11:59:58 +0000 Received: from ssl.serverraum.org ([176.9.125.105]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o3z0o-00AF3Z-SQ for linux-arm-kernel@lists.infradead.org; Wed, 22 Jun 2022 11:59:12 +0000 Received: from ssl.serverraum.org (web.serverraum.org [172.16.0.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ssl.serverraum.org (Postfix) with ESMTPSA id 34FE622238; Wed, 22 Jun 2022 13:59:08 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=walle.cc; s=mail2016061301; t=1655899148; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=JKfrtHY3354YagDaD5kDsTZTk+EPmD9d+R0Xe29+ymE=; b=TMWtsnTu675Ke7jhoWKinpET6mkMw3GxbvwZPy+RJb/N7650dxCLHy8TJI62vQx8NsuP+3 13UAvuN/Ll/kM0jOnq8U5f/IikGlGZGk03szh/WvESctM5MHmNiUzv2jlHRBsuzKkkwAO+ vHuqL3JC90M0SeGGqQGyXG20fiwvxHc= MIME-Version: 1.0 Date: Wed, 22 Jun 2022 13:59:07 +0200 From: Michael Walle To: Catalin Marinas , Sudeep Holla , Lorenzo Pieralisi , Daniel Lezcano , "Rafael J . Wysocki" , Will Deacon Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org Subject: Re: [PATCH 0/2] arm64: remove generic ARM cpuidle support In-Reply-To: <20220529181329.2345722-1-michael@walle.cc> References: <20220529181329.2345722-1-michael@walle.cc> User-Agent: Roundcube Webmail/1.4.13 Message-ID: <09f392794c815cbfb38e5103d92310da@walle.cc> X-Sender: michael@walle.cc X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220622_045911_176688_80A1CB15 X-CRM114-Status: GOOD ( 16.16 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Am 2022-05-29 20:13, schrieb Michael Walle: > Playing with an own PSCI implementation, I've noticed that the > cpuidle-arm > driver doesn't work on arm64. It doesn't probe because since commit > 788961462f34 ("ARM: psci: cpuidle: Enable PSCI CPUidle driver") the > arm_cpuidle_init() can only return -EOPNOTSUPP, because the commit > removed > the cpu_idle_init and cpu_suspend ops. > > It left me puzzled for quite some time. It seems that the cpuidle-psci > is > the preferred one and this has been the case for quite some time. The > mentioned commit first appeared in v5.4. > > Remove the ARM64 support for the cpuidle-arm driver, which then let us > remove all the supporting arch code. > > Michael Walle (2): > cpuidle: cpuidle-arm: remove arm64 support > arm64: cpuidle: remove generic cpuidle support > > arch/arm64/include/asm/cpu_ops.h | 9 --------- > arch/arm64/include/asm/cpuidle.h | 15 --------------- > arch/arm64/kernel/cpuidle.c | 29 ----------------------------- > drivers/cpuidle/Kconfig.arm | 3 ++- > 4 files changed, 2 insertions(+), 54 deletions(-) Through which tree should this patchset go? I've seen it is marked as "Handled Elsewere" in the linux pm patchwork [1]. -michael [1] https://patchwork.kernel.org/project/linux-pm/patch/20220529181329.2345722-2-michael@walle.cc/ _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel