From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sebastian Hesselbarth Subject: [PATCH v1 3/6] net: phy: provide phy_resume/phy_suspend helpers Date: Sun, 8 Dec 2013 15:40:28 +0100 Message-ID: <1386513631-11284-4-git-send-email-sebastian.hesselbarth@gmail.com> References: <1386171888-28190-1-git-send-email-sebastian.hesselbarth@gmail.com> <1386513631-11284-1-git-send-email-sebastian.hesselbarth@gmail.com> Cc: David Miller , Florian Fainelli , Mugunthan V N , netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org To: Sebastian Hesselbarth Return-path: Received: from mail-ee0-f48.google.com ([74.125.83.48]:62703 "EHLO mail-ee0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759154Ab3LHOkj (ORCPT ); Sun, 8 Dec 2013 09:40:39 -0500 In-Reply-To: <1386513631-11284-1-git-send-email-sebastian.hesselbarth@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: This adds helper functions to resume and suspend a given phy_device by calling the corresponding driver callbacks if available. Signed-off-by: Sebastian Hesselbarth Acked-by: Mugunthan V N Reviewed-by: Florian Fainelli --- Cc: David Miller Cc: Florian Fainelli Cc: Mugunthan V N Cc: netdev@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- drivers/net/phy/phy_device.c | 24 ++++++++++++++++++++++++ include/linux/phy.h | 2 ++ 2 files changed, 26 insertions(+) diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index d6447b3..6f0e9e4 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -625,6 +625,30 @@ void phy_detach(struct phy_device *phydev) } EXPORT_SYMBOL(phy_detach); +int phy_suspend(struct phy_device *phydev) +{ + struct phy_driver *phydrv = to_phy_driver(phydev->dev.driver); + struct ethtool_wolinfo wol; + + /* If the device has WOL enabled, we cannot suspend the PHY */ + wol.cmd = ETHTOOL_GWOL; + phy_ethtool_get_wol(phydev, &wol); + if (wol.wolopts) + return -EBUSY; + + if (phydrv->suspend) + return phydrv->suspend(phydev); + return 0; +} + +int phy_resume(struct phy_device *phydev) +{ + struct phy_driver *phydrv = to_phy_driver(phydev->dev.driver); + + if (phydrv->resume) + return phydrv->resume(phydev); + return 0; +} /* Generic PHY support and helper functions */ diff --git a/include/linux/phy.h b/include/linux/phy.h index 48a4dc3..1070ee3 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -538,6 +538,8 @@ struct phy_device *phy_device_create(struct mii_bus *bus, int addr, int phy_id, struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45); int phy_device_register(struct phy_device *phy); int phy_init_hw(struct phy_device *phydev); +int phy_suspend(struct phy_device *phydev); +int phy_resume(struct phy_device *phydev); struct phy_device * phy_attach(struct net_device *dev, const char *bus_id, phy_interface_t interface); struct phy_device *phy_find_first(struct mii_bus *bus); -- 1.8.4.rc3