From patchwork Tue Dec 3 14:37:29 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Barker X-Patchwork-Id: 13892561 X-Patchwork-Delegate: rjw@sisk.pl Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 808691EE029; Tue, 3 Dec 2024 14:38:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.160.252.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733236701; cv=none; b=QX70989i6K//o0e/cmjBbeUhdiQo68yYnxvoyKQgjgjVTUpVmFw8XhuKXX2o8581CXo19kXPflSOLdLnD2E8xtH6NNfCn3S7esDvooLlh3GTx9/ajZcIwTEhg6GyPMrAF0DTBVzHEOs+rARwkrBI8gXRmMW9f1JAwgawmUtWdWY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733236701; c=relaxed/simple; bh=/RpnszIWaIm8v6385F1dHLoY+XsDEZcoE7rgkurFXuI=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=AK9ZoImh9b9LCYjJOntuF7fCttRbleJbAt/LtIaOEYQFilx429u3E3xcYC3KQfB0B/W82awhCFZoUilm5buVxA4lTb25MzVUt1kZooTGVvrpt9jjA+yNXlnf3Mij1v6pGued+EnCvzDQC/Bs3/S9uM3iy1PGpKfeo1KZIscpirI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com; spf=pass smtp.mailfrom=bp.renesas.com; arc=none smtp.client-ip=210.160.252.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=bp.renesas.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bp.renesas.com X-CSE-ConnectionGUID: Pr32bEfMS52Pu1jHWYLoMw== X-CSE-MsgGUID: l74GEaegRCG/w1+c7qTMAQ== X-IronPort-AV: E=Sophos;i="6.12,205,1728918000"; d="scan'208";a="230765977" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 03 Dec 2024 23:38:15 +0900 Received: from GBR-5CG2373LKG.adwin.renesas.com (unknown [10.226.93.8]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id E8BEC4080A97; Tue, 3 Dec 2024 23:38:03 +0900 (JST) From: Paul Barker To: "Rafael J. Wysocki" , Len Brown , Pavel Machek , Alan Stern Cc: Paul Barker , Claudiu Beznea , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] Documentation: PM: Clarify pm_runtime_resume_and_get return value Date: Tue, 3 Dec 2024 14:37:29 +0000 Message-Id: <20241203143729.478-1-paul.barker.ct@bp.renesas.com> X-Mailer: git-send-email 2.39.5 Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Update the documentation to match the behaviour of the code. The function pm_runtime_resume_and_get() always returns 0 on success, even if __pm_runtime_resume() returns 1. Fixes: 2c412337cfe6 ("PM: runtime: Add documentation for pm_runtime_resume_and_get()") Signed-off-by: Paul Barker --- Documentation/power/runtime_pm.rst | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/power/runtime_pm.rst b/Documentation/power/runtime_pm.rst index 53d1996460ab..a86f1173980a 100644 --- a/Documentation/power/runtime_pm.rst +++ b/Documentation/power/runtime_pm.rst @@ -347,7 +347,9 @@ drivers/base/power/runtime.c and include/linux/pm_runtime.h: `int pm_runtime_resume_and_get(struct device *dev);` - run pm_runtime_resume(dev) and if successful, increment the device's - usage counter; return the result of pm_runtime_resume + usage counter; returns 0 on success (whether or not the device's runtime + PM status was already 'active') or the error code from pm_runtime_resume + on failure. `int pm_request_idle(struct device *dev);` - submit a request to execute the subsystem-level idle callback for the