From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tobias Waldekranz Subject: [PATCH 1/2] phylib: support reading the status of a fixed PHY Date: Thu, 12 Feb 2015 15:12:55 +0100 Message-ID: <20150212141255.GA12318@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii To: netdev@vger.kernel.org Return-path: Received: from mail-la0-f50.google.com ([209.85.215.50]:46962 "EHLO mail-la0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755726AbbBLONK (ORCPT ); Thu, 12 Feb 2015 09:13:10 -0500 Received: by lams18 with SMTP id s18so10265860lam.13 for ; Thu, 12 Feb 2015 06:13:09 -0800 (PST) Received: from gmail.com ([213.132.98.41]) by mx.google.com with ESMTPSA id d5sm789958lab.27.2015.02.12.06.13.08 for (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Thu, 12 Feb 2015 06:13:08 -0800 (PST) Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: This makes it possible to check if a PHY is fixed or physical. Signed-off-by: Tobias Waldekranz --- drivers/net/phy/fixed_phy.c | 17 +++++++++++++++++ include/linux/phy_fixed.h | 9 +++++++++ 2 files changed, 26 insertions(+) diff --git a/drivers/net/phy/fixed_phy.c b/drivers/net/phy/fixed_phy.c index a08a3c7..5575345 100644 --- a/drivers/net/phy/fixed_phy.c +++ b/drivers/net/phy/fixed_phy.c @@ -156,6 +156,23 @@ static int fixed_mdio_write(struct mii_bus *bus, int phy_addr, int reg_num, return 0; } +const struct fixed_phy_status *fixed_phy_get_status(struct phy_device *phydev) +{ + struct fixed_mdio_bus *fmb = &platform_fmb; + struct fixed_phy *fp; + + if (!phydev || !phydev->bus || phydev->bus->priv != fmb) + return NULL; + + list_for_each_entry(fp, &fmb->phys, node) { + if (fp->addr == phydev->addr) + return &fp->status; + } + + return NULL; +} +EXPORT_SYMBOL(fixed_phy_get_status); + /* * If something weird is required to be done with link/speed, * network driver is able to assign a function to implement this. diff --git a/include/linux/phy_fixed.h b/include/linux/phy_fixed.h index 7e75bfe..e783b8d 100644 --- a/include/linux/phy_fixed.h +++ b/include/linux/phy_fixed.h @@ -12,6 +12,9 @@ struct fixed_phy_status { struct device_node; #if IS_ENABLED(CONFIG_FIXED_PHY) +extern const struct fixed_phy_status *fixed_phy_get_status( + struct phy_device *phydev); + extern int fixed_phy_add(unsigned int irq, int phy_id, struct fixed_phy_status *status); extern struct phy_device *fixed_phy_register(unsigned int irq, @@ -22,6 +25,12 @@ extern int fixed_phy_set_link_update(struct phy_device *phydev, int (*link_update)(struct net_device *, struct fixed_phy_status *)); #else +static inline const struct fixed_phy_status *fixed_phy_get_status( + struct phy_device *phydev) +{ + return NULL; +}; + static inline int fixed_phy_add(unsigned int irq, int phy_id, struct fixed_phy_status *status) { -- 1.8.4.357.g8d83871.dirty