From patchwork Sun Jan 30 21:02:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Lezcano X-Patchwork-Id: 539216 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B7433C433EF for ; Sun, 30 Jan 2022 21:02:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1356376AbiA3VCZ (ORCPT ); Sun, 30 Jan 2022 16:02:25 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56804 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1356380AbiA3VCY (ORCPT ); Sun, 30 Jan 2022 16:02:24 -0500 Received: from mail-wm1-x335.google.com (mail-wm1-x335.google.com [IPv6:2a00:1450:4864:20::335]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 01A03C06173B for ; Sun, 30 Jan 2022 13:02:24 -0800 (PST) Received: by mail-wm1-x335.google.com with SMTP id n8so8851542wmk.3 for ; Sun, 30 Jan 2022 13:02:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=8cWPqnuW+Zg66Vr4iSn8qLu3H5+h06l8a0hGtLAknWg=; b=cZHZhTccn2hbg7ktHjSg0CRhqTvQxcDiHYXdlm01ktRZK8oCI1whTseKVOZOoR4Ihh dV1GSFlK5GzLq5dS7UlrCW9X/hpdVjSYzQi9mvSrwJQ+82KfpcY5z2X12VSEBc8vcDD9 mhXmdAg39mrkV6G/b3Sy1eosrkLL8iduggMPakIdbFvSuvU39x+wauek4P7KYKkcxizk SyyFFnInW5uXarWujd+Fg+eR99Vv0CyDYDgmHKjyC1kU0qPFkFn8d0OtJtHnpTiwuU6u solUKUvj2FipgkX3A1MfRxHbjuDPo0v3GgbL5N3MociQ75/lRCyhwc6Zwb334j5OmogE Yp9A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=8cWPqnuW+Zg66Vr4iSn8qLu3H5+h06l8a0hGtLAknWg=; b=lvdx6rgVHc9kIvzwoPL7NwgQPJRn1nOvcdLgQSzWgcX6zNqducRbF6zT3qmTAv5t0S oFlfifOMlC2Y7ft0uVyD+qVnQvCFGWCrhgKzwppioyOHZT6cNckGZxnpQy1oercF1+hU SA0IBZH2Z2Td7f4fPwgipS70XfNsN2Uu2RkrFi4L/MbSWZ7ZtUkhb7Xnrbjkv/7KEv05 x1mXIScOn1HNlXWN+HM6PfVt6sYIuLxpwXOrFVVjSJorCZx6jbYU77y4Sy2yQzaf002N GIBWdQvkcBxc9x/BLYHOmwW09kTWhY7C1e6ZDACasrvX6W5jDpxxB1oNtP+AMB1BpMN4 z89w== X-Gm-Message-State: AOAM531Bn0PUGUE49bLVn9PeY+0bWKhTJZG5vwxSHSMHG7Hk4fX3GKZw +ujUxYw9KRJtwpTQLt3MD0jJ3A== X-Google-Smtp-Source: ABdhPJzwUtuKgb1uWNz9UUnzE+Fi7SoOUIyGplaM3rWp/eKpXB/QwTP2IUG3LBsNy98m1QCKnIS43w== X-Received: by 2002:a05:600c:2251:: with SMTP id a17mr24622958wmm.102.1643576542485; Sun, 30 Jan 2022 13:02:22 -0800 (PST) Received: from localhost.localdomain ([2a01:e34:ed2f:f020:d3c5:fe0:78a4:5227]) by smtp.gmail.com with ESMTPSA id i6sm9845185wrw.8.2022.01.30.13.02.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 30 Jan 2022 13:02:21 -0800 (PST) From: Daniel Lezcano To: daniel.lezcano@linaro.org, rjw@rjwysocki.net Cc: heiko@sntech.de, lukasz.luba@arm.com, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, ulf.hansson@linaro.org, Daniel Lezcano , "Rafael J. Wysocki" Subject: [PATCH v1 6/7] powercap/dtpm/dtpm_cpu: Add exit function Date: Sun, 30 Jan 2022 22:02:08 +0100 Message-Id: <20220130210210.549877-6-daniel.lezcano@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220130210210.549877-1-daniel.lezcano@linaro.org> References: <20220130210210.549877-1-daniel.lezcano@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Now that we can destroy the hierarchy, the code must remove what it had put in place at the creation. In our case, the cpu hotplug callbacks. Signed-off-by: Daniel Lezcano Reviewed-by: Ulf Hansson --- drivers/powercap/dtpm_cpu.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/powercap/dtpm_cpu.c b/drivers/powercap/dtpm_cpu.c index 71f45d2f5a60..bca2f912d349 100644 --- a/drivers/powercap/dtpm_cpu.c +++ b/drivers/powercap/dtpm_cpu.c @@ -299,8 +299,15 @@ static int dtpm_cpu_init(void) return 0; } +static void dtpm_cpu_exit(void) +{ + cpuhp_remove_state_nocalls(CPUHP_AP_ONLINE_DYN); + cpuhp_remove_state_nocalls(CPUHP_AP_DTPM_CPU_DEAD); +} + struct dtpm_subsys_ops dtpm_cpu_ops = { .name = KBUILD_MODNAME, .init = dtpm_cpu_init, + .exit = dtpm_cpu_exit, .setup = dtpm_cpu_setup, };