From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Fainelli Subject: [PATCH 10/10] net: phy: expose phydev->has_fixups to sysfs Date: Tue, 11 Feb 2014 17:27:42 -0800 Message-ID: <1392168462-18888-11-git-send-email-f.fainelli@gmail.com> References: <1392168462-18888-1-git-send-email-f.fainelli@gmail.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , Florian Fainelli To: Return-path: Received: from mail-gw3-out.broadcom.com ([216.31.210.64]:60332 "EHLO mail-gw3-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752635AbaBLB2a (ORCPT ); Tue, 11 Feb 2014 20:28:30 -0500 In-Reply-To: <1392168462-18888-1-git-send-email-f.fainelli@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: Expose the PHY device has_fixups boolean as a sysfs property to help troubleshooting PHY configurations. Signed-off-by: Florian Fainelli --- Documentation/ABI/testing/sysfs-bus-mdio | 11 +++++++++++ drivers/net/phy/mdio_bus.c | 10 ++++++++++ 2 files changed, 21 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-bus-mdio b/Documentation/ABI/testing/sysfs-bus-mdio index 2133afd..fcab995 100644 --- a/Documentation/ABI/testing/sysfs-bus-mdio +++ b/Documentation/ABI/testing/sysfs-bus-mdio @@ -17,3 +17,14 @@ Description: Ethernet driver during bus enumeration, encoded in string. This interface mode is used to configure the Ethernet MAC with the appropriate mode for its data lines to the PHY hardware. + +What: /sys/bus/mdio_bus/devices/.../phy_has_fixups +Date: February 2014 +KernelVersion: 3.15 +Contact: netdev@vger.kernel.org +Description: + This attribute contains the boolean value whether a given PHY + device has had any "fixup" workaround running on it, encoded as + a boolean. This information is provided to help troubleshooting + PHY configurations. + diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 7c66ea0..76f54b3 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -441,9 +441,19 @@ phy_interface_show(struct device *dev, struct device_attribute *attr, char *buf) } static DEVICE_ATTR_RO(phy_interface); +static ssize_t +phy_has_fixups_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct phy_device *phydev = to_phy_device(dev); + + return sprintf(buf, "%d\n", phydev->has_fixups); +} +static DEVICE_ATTR_RO(phy_has_fixups); + static struct attribute *mdio_dev_attrs[] = { &dev_attr_phy_id.attr, &dev_attr_phy_interface.attr, + &dev_attr_phy_has_fixups.attr, NULL, }; ATTRIBUTE_GROUPS(mdio_dev); -- 1.8.3.2