From patchwork Sat Nov 17 13:37:54 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 10687469 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 11D766C5 for ; Sat, 17 Nov 2018 13:38:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 033932B293 for ; Sat, 17 Nov 2018 13:38:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EB9F52BB01; Sat, 17 Nov 2018 13:38:26 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7F8ED2B293 for ; Sat, 17 Nov 2018 13:38:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726575AbeKQXyz (ORCPT ); Sat, 17 Nov 2018 18:54:55 -0500 Received: from muru.com ([72.249.23.125]:54280 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726020AbeKQXyz (ORCPT ); Sat, 17 Nov 2018 18:54:55 -0500 Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id 8B6DA8131; Sat, 17 Nov 2018 13:38:13 +0000 (UTC) From: Tony Lindgren To: Kishon Vijay Abraham I Cc: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-omap@vger.kernel.org, Pavel Machek , Sebastian Reichel Subject: [PATCH 1/2] phy: core: Add phy_pm_runtime_enabled Date: Sat, 17 Nov 2018 05:37:54 -0800 Message-Id: <20181117133755.9129-2-tony@atomide.com> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181117133755.9129-1-tony@atomide.com> References: <20181117133755.9129-1-tony@atomide.com> MIME-Version: 1.0 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The phy driver may need to check phy_pm_runtime_enabled() in suspend as PM runtime for phy may be already disabled when phy power_off() is called. Cc: Pavel Machek Cc: Sebastian Reichel Signed-off-by: Tony Lindgren --- drivers/phy/phy-core.c | 9 +++++++++ include/linux/phy/phy.h | 6 ++++++ 2 files changed, 15 insertions(+) diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -209,6 +209,15 @@ int phy_pm_runtime_put_sync(struct phy *phy) } EXPORT_SYMBOL_GPL(phy_pm_runtime_put_sync); +bool phy_pm_runtime_enabled(struct phy *phy) +{ + if (!phy) + return false; + + return pm_runtime_enabled(&phy->dev); +} +EXPORT_SYMBOL_GPL(phy_pm_runtime_enabled); + void phy_pm_runtime_allow(struct phy *phy) { if (!phy) diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h --- a/include/linux/phy/phy.h +++ b/include/linux/phy/phy.h @@ -158,6 +158,7 @@ int phy_pm_runtime_get(struct phy *phy); int phy_pm_runtime_get_sync(struct phy *phy); int phy_pm_runtime_put(struct phy *phy); int phy_pm_runtime_put_sync(struct phy *phy); +bool phy_pm_runtime_enabled(struct phy *phy); void phy_pm_runtime_allow(struct phy *phy); void phy_pm_runtime_forbid(struct phy *phy); int phy_init(struct phy *phy); @@ -240,6 +241,11 @@ static inline int phy_pm_runtime_put_sync(struct phy *phy) return -ENOSYS; } +static inline bool phy_pm_runtime_enabled(struct phy *phy) +{ + return false +} + static inline void phy_pm_runtime_allow(struct phy *phy) { return;