From: Calvin Johnson <calvin.johnson@oss.nxp.com>
To: Grant Likely <grant.likely@arm.com>,
"Rafael J . Wysocki" <rafael@kernel.org>,
Jeremy Linton <jeremy.linton@arm.com>,
Andrew Lunn <andrew@lunn.ch>,
Andy Shevchenko <andy.shevchenko@gmail.com>,
Florian Fainelli <f.fainelli@gmail.com>,
Russell King - ARM Linux admin <linux@armlinux.org.uk>,
Cristi Sovaiala <cristian.sovaiala@nxp.com>,
Florin Laurentiu Chiculita <florinlaurentiu.chiculita@nxp.com>,
Ioana Ciornei <ioana.ciornei@nxp.com>,
Madalin Bucur <madalin.bucur@oss.nxp.com>,
Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: linux-kernel@vger.kernel.org, linux.cj@gmail.com,
netdev@vger.kernel.org, linux-acpi@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Diana Madalina Craciun <diana.craciun@nxp.com>,
Laurentiu Tudor <laurentiu.tudor@nxp.com>,
Calvin Johnson <calvin.johnson@oss.nxp.com>,
"David S. Miller" <davem@davemloft.net>,
Heiner Kallweit <hkallweit1@gmail.com>,
Jakub Kicinski <kuba@kernel.org>
Subject: [net-next PATCH v1 5/7] phylink: introduce phylink_fwnode_phy_connect()
Date: Wed, 30 Sep 2020 21:34:28 +0530 [thread overview]
Message-ID: <20200930160430.7908-6-calvin.johnson@oss.nxp.com> (raw)
In-Reply-To: <20200930160430.7908-1-calvin.johnson@oss.nxp.com>
Define phylink_fwnode_phy_connect() to connect phy specified by
a fwnode to a phylink instance.
Signed-off-by: Calvin Johnson <calvin.johnson@oss.nxp.com>
---
drivers/net/phy/phylink.c | 51 +++++++++++++++++++++++++++++++++++++++
include/linux/phylink.h | 3 +++
2 files changed, 54 insertions(+)
diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
index fe2296fdda19..ca88bd90d605 100644
--- a/drivers/net/phy/phylink.c
+++ b/drivers/net/phy/phylink.c
@@ -5,6 +5,7 @@
*
* Copyright (C) 2015 Russell King
*/
+#include <linux/acpi.h>
#include <linux/ethtool.h>
#include <linux/export.h>
#include <linux/gpio/consumer.h>
@@ -1120,6 +1121,56 @@ int phylink_of_phy_connect(struct phylink *pl, struct device_node *dn,
}
EXPORT_SYMBOL_GPL(phylink_of_phy_connect);
+/**
+ * phylink_fwnode_phy_connect() - connect the PHY specified in the fwnode.
+ * @pl: a pointer to a &struct phylink returned from phylink_create()
+ * @fwnode: a pointer to a &struct fwnode_handle.
+ * @flags: PHY-specific flags to communicate to the PHY device driver
+ *
+ * Connect the phy specified @fwnode to the phylink instance specified
+ * by @pl.
+ *
+ * Returns 0 on success or a negative errno.
+ */
+int phylink_fwnode_phy_connect(struct phylink *pl,
+ struct fwnode_handle *fwnode,
+ u32 flags)
+{
+ struct fwnode_handle *phy_fwnode;
+ struct phy_device *phy_dev;
+ int ret;
+
+ if (is_of_node(fwnode))
+ return phylink_of_phy_connect(pl, to_of_node(fwnode), flags);
+ if (is_acpi_device_node(fwnode)) {
+ phy_fwnode = fwnode_get_phy_node(fwnode);
+ if (IS_ERR(phy_fwnode)) {
+ if (pl->cfg_link_an_mode == MLO_AN_PHY)
+ return -ENODEV;
+ return 0;
+ }
+
+ phy_dev = fwnode_phy_find_device(phy_fwnode);
+ fwnode_handle_put(phy_fwnode);
+ if (!phy_dev)
+ return -ENODEV;
+
+ ret = phy_attach_direct(pl->netdev, phy_dev, flags,
+ pl->link_interface);
+ if (ret)
+ return ret;
+
+ ret = phylink_bringup_phy(pl, phy_dev, pl->link_config.interface);
+ if (ret)
+ phy_detach(phy_dev);
+
+ return ret;
+ }
+
+ return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(phylink_fwnode_phy_connect);
+
/**
* phylink_disconnect_phy() - disconnect any PHY attached to the phylink
* instance.
diff --git a/include/linux/phylink.h b/include/linux/phylink.h
index d81a714cfbbd..75d4f99090fd 100644
--- a/include/linux/phylink.h
+++ b/include/linux/phylink.h
@@ -439,6 +439,9 @@ void phylink_destroy(struct phylink *);
int phylink_connect_phy(struct phylink *, struct phy_device *);
int phylink_of_phy_connect(struct phylink *, struct device_node *, u32 flags);
+int phylink_fwnode_phy_connect(struct phylink *pl,
+ struct fwnode_handle *fwnode,
+ u32 flags);
void phylink_disconnect_phy(struct phylink *);
void phylink_mac_change(struct phylink *, bool up);
--
2.17.1
next prev parent reply other threads:[~2020-09-30 16:06 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-30 16:04 [net-next PATCH v1 0/7] ACPI support for dpaa2 driver Calvin Johnson
2020-09-30 16:04 ` [net-next PATCH v1 1/7] Documentation: ACPI: DSD: Document MDIO PHY Calvin Johnson
2020-09-30 16:37 ` Rafael J. Wysocki
2020-10-01 13:26 ` Calvin Johnson
2020-10-02 11:08 ` Grant Likely
2020-10-02 14:13 ` Rafael J. Wysocki
2020-09-30 16:04 ` [net-next PATCH v1 2/7] net: phy: Introduce phy related fwnode functions Calvin Johnson
2020-09-30 22:03 ` David Miller
2020-10-01 3:58 ` Calvin Johnson
2020-09-30 16:04 ` [net-next PATCH v1 3/7] net: phy: Introduce fwnode_get_phy_id() Calvin Johnson
2020-09-30 16:34 ` Andrew Lunn
2020-09-30 18:07 ` Russell King - ARM Linux admin
2020-09-30 18:19 ` Andrew Lunn
2020-10-01 4:00 ` Calvin Johnson
2020-10-02 10:48 ` Grant Likely
2020-10-02 11:05 ` Grant Likely
2020-10-02 15:14 ` Florian Fainelli
2020-10-02 15:50 ` Russell King - ARM Linux admin
2020-10-03 18:03 ` Calvin Johnson
2020-10-03 18:00 ` Calvin Johnson
2020-09-30 16:04 ` [net-next PATCH v1 4/7] net: mdiobus: Introduce fwnode_mdiobus_register_phy() Calvin Johnson
2020-09-30 22:04 ` David Miller
2020-09-30 16:04 ` Calvin Johnson [this message]
2020-09-30 16:04 ` [net-next PATCH v1 6/7] net: dpaa2-mac: Add ACPI support for DPAA2 MAC driver Calvin Johnson
2020-10-01 15:36 ` Andy Shevchenko
2020-10-03 16:30 ` Calvin Johnson
2020-10-02 11:22 ` Grant Likely
2020-10-03 17:39 ` Calvin Johnson
2020-10-07 15:50 ` Calvin Johnson
2020-09-30 16:04 ` [net-next PATCH v1 7/7] net/fsl: Use _ADR ACPI object to register PHYs Calvin Johnson
2020-09-30 16:27 ` Andrew Lunn
2020-09-30 22:04 ` David Miller
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