diff options
Diffstat (limited to 'target/linux/generic/backport-4.19/737-v5.5-net-phy-add-core-phylib-sfp-support.patch')
| -rw-r--r-- | target/linux/generic/backport-4.19/737-v5.5-net-phy-add-core-phylib-sfp-support.patch | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/target/linux/generic/backport-4.19/737-v5.5-net-phy-add-core-phylib-sfp-support.patch b/target/linux/generic/backport-4.19/737-v5.5-net-phy-add-core-phylib-sfp-support.patch deleted file mode 100644 index 1ffc545ad1..0000000000 --- a/target/linux/generic/backport-4.19/737-v5.5-net-phy-add-core-phylib-sfp-support.patch +++ /dev/null @@ -1,183 +0,0 @@ -From eb156db588ac583cdae7b91eaac9c0ad3a358e63 Mon Sep 17 00:00:00 2001 -From: Russell King <rmk+kernel@armlinux.org.uk> -Date: Sun, 15 Sep 2019 20:05:34 +0100 -Subject: [PATCH 635/660] net: phy: add core phylib sfp support - -Add core phylib help for supporting SFP sockets on PHYs. This provides -a mechanism to inform the SFP layer about PHY up/down events, and also -unregister the SFP bus when the PHY is going away. - -Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> ---- - drivers/net/phy/phy.c | 7 ++++ - drivers/net/phy/phy_device.c | 66 ++++++++++++++++++++++++++++++++++++ - include/linux/phy.h | 11 ++++++ - 3 files changed, 84 insertions(+) - ---- a/drivers/net/phy/phy.c -+++ b/drivers/net/phy/phy.c -@@ -30,6 +30,7 @@ - #include <linux/ethtool.h> - #include <linux/phy.h> - #include <linux/phy_led_triggers.h> -+#include <linux/sfp.h> - #include <linux/workqueue.h> - #include <linux/mdio.h> - #include <linux/io.h> -@@ -871,6 +872,9 @@ void phy_stop(struct phy_device *phydev) - if (phy_interrupt_is_valid(phydev)) - phy_disable_interrupts(phydev); - -+ if (phydev->sfp_bus) -+ sfp_upstream_stop(phydev->sfp_bus); -+ - phydev->state = PHY_HALTED; - - out_unlock: -@@ -899,6 +903,9 @@ void phy_start(struct phy_device *phydev - - mutex_lock(&phydev->lock); - -+ if (phydev->sfp_bus) -+ sfp_upstream_start(phydev->sfp_bus); -+ - switch (phydev->state) { - case PHY_STARTING: - phydev->state = PHY_PENDING; ---- a/drivers/net/phy/phy_device.c -+++ b/drivers/net/phy/phy_device.c -@@ -31,6 +31,7 @@ - #include <linux/ethtool.h> - #include <linux/phy.h> - #include <linux/phy_led_triggers.h> -+#include <linux/sfp.h> - #include <linux/mdio.h> - #include <linux/io.h> - #include <linux/uaccess.h> -@@ -950,6 +951,65 @@ void phy_attached_print(struct phy_devic - EXPORT_SYMBOL(phy_attached_print); - - /** -+ * phy_sfp_attach - attach the SFP bus to the PHY upstream network device -+ * @upstream: pointer to the phy device -+ * @bus: sfp bus representing cage being attached -+ * -+ * This is used to fill in the sfp_upstream_ops .attach member. -+ */ -+void phy_sfp_attach(void *upstream, struct sfp_bus *bus) -+{ -+ struct phy_device *phydev = upstream; -+ -+ if (phydev->attached_dev) -+ phydev->attached_dev->sfp_bus = bus; -+ phydev->sfp_bus_attached = true; -+} -+EXPORT_SYMBOL(phy_sfp_attach); -+ -+/** -+ * phy_sfp_detach - detach the SFP bus from the PHY upstream network device -+ * @upstream: pointer to the phy device -+ * @bus: sfp bus representing cage being attached -+ * -+ * This is used to fill in the sfp_upstream_ops .detach member. -+ */ -+void phy_sfp_detach(void *upstream, struct sfp_bus *bus) -+{ -+ struct phy_device *phydev = upstream; -+ -+ if (phydev->attached_dev) -+ phydev->attached_dev->sfp_bus = NULL; -+ phydev->sfp_bus_attached = false; -+} -+EXPORT_SYMBOL(phy_sfp_detach); -+ -+/** -+ * phy_sfp_probe - probe for a SFP cage attached to this PHY device -+ * @phydev: Pointer to phy_device -+ * @ops: SFP's upstream operations -+ */ -+int phy_sfp_probe(struct phy_device *phydev, -+ const struct sfp_upstream_ops *ops) -+{ -+ struct sfp_bus *bus; -+ int ret; -+ -+ if (phydev->mdio.dev.fwnode) { -+ bus = sfp_bus_find_fwnode(phydev->mdio.dev.fwnode); -+ if (IS_ERR(bus)) -+ return PTR_ERR(bus); -+ -+ phydev->sfp_bus = bus; -+ -+ ret = sfp_bus_add_upstream(bus, phydev, ops); -+ sfp_bus_put(bus); -+ } -+ return 0; -+} -+EXPORT_SYMBOL(phy_sfp_probe); -+ -+/** - * phy_attach_direct - attach a network device to a given PHY device pointer - * @dev: network device to attach - * @phydev: Pointer to phy_device to attach -@@ -1022,6 +1082,9 @@ int phy_attach_direct(struct net_device - phydev->attached_dev = dev; - dev->phydev = phydev; - -+ if (phydev->sfp_bus_attached) -+ dev->sfp_bus = phydev->sfp_bus; -+ - /* Some Ethernet drivers try to connect to a PHY device before - * calling register_netdevice() -> netdev_register_kobject() and - * does the dev->dev.kobj initialization. Here we only check for -@@ -1956,6 +2019,9 @@ static int phy_remove(struct device *dev - phydev->state = PHY_DOWN; - mutex_unlock(&phydev->lock); - -+ sfp_bus_del_upstream(phydev->sfp_bus); -+ phydev->sfp_bus = NULL; -+ - if (phydev->drv && phydev->drv->remove) { - phydev->drv->remove(phydev); - ---- a/include/linux/phy.h -+++ b/include/linux/phy.h -@@ -184,6 +184,8 @@ static inline const char *phy_modes(phy_ - - struct device; - struct phylink; -+struct sfp_bus; -+struct sfp_upstream_ops; - struct sk_buff; - - /* -@@ -383,6 +385,8 @@ struct phy_c45_device_ids { - * irq: IRQ number of the PHY's interrupt (-1 if none) - * phy_timer: The timer for handling the state machine - * phy_queue: A work_queue for the phy_mac_interrupt -+ * sfp_bus_attached: flag indicating whether the SFP bus has been attached -+ * sfp_bus: SFP bus attached to this PHY's fiber port - * attached_dev: The attached enet driver's device instance ptr - * adjust_link: Callback for the enet controller to respond to - * changes in the link state. -@@ -473,6 +477,9 @@ struct phy_device { - - struct mutex lock; - -+ /* This may be modified under the rtnl lock */ -+ bool sfp_bus_attached; -+ struct sfp_bus *sfp_bus; - struct phylink *phylink; - struct net_device *attached_dev; - -@@ -1033,6 +1040,10 @@ int phy_suspend(struct phy_device *phyde - int phy_resume(struct phy_device *phydev); - int __phy_resume(struct phy_device *phydev); - int phy_loopback(struct phy_device *phydev, bool enable); -+void phy_sfp_attach(void *upstream, struct sfp_bus *bus); -+void phy_sfp_detach(void *upstream, struct sfp_bus *bus); -+int phy_sfp_probe(struct phy_device *phydev, -+ const struct sfp_upstream_ops *ops); - 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); |