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- --- a/drivers/net/phy/mdio_bus.c
- +++ b/drivers/net/phy/mdio_bus.c
- @@ -38,6 +38,8 @@
-
- #include <asm/irq.h>
-
- +#include "mdio-boardinfo.h"
- +
- /**
- * mdiobus_alloc_size - allocate a mii_bus structure
- * @size: extra amount of memory to allocate for private storage.
- @@ -335,9 +337,21 @@ void mdiobus_free(struct mii_bus *bus)
- }
- EXPORT_SYMBOL(mdiobus_free);
-
- +static void mdiobus_setup_phydev_from_boardinfo(struct mii_bus *bus,
- + struct phy_device *phydev,
- + struct mdio_board_info *bi)
- +{
- + if (strcmp(bus->id, bi->bus_id) ||
- + bi->phy_addr != phydev->addr)
- + return;
- +
- + phydev->dev.platform_data = (void *) bi->platform_data;
- +}
- +
- struct phy_device *mdiobus_scan(struct mii_bus *bus, int addr)
- {
- struct phy_device *phydev;
- + struct mdio_board_entry *be;
- int err;
-
- phydev = get_phy_device(bus, addr, false);
- @@ -350,6 +364,12 @@ struct phy_device *mdiobus_scan(struct m
- */
- of_mdiobus_link_phydev(bus, phydev);
-
- + mutex_lock(&__mdio_board_lock);
- + list_for_each_entry(be, &__mdio_board_list, list)
- + mdiobus_setup_phydev_from_boardinfo(bus, phydev,
- + &be->board_info);
- + mutex_unlock(&__mdio_board_lock);
- +
- err = phy_device_register(phydev);
- if (err) {
- phy_device_free(phydev);
- --- a/include/linux/phy.h
- +++ b/include/linux/phy.h
- @@ -785,4 +785,22 @@ int __init mdio_bus_init(void);
- void mdio_bus_exit(void);
-
- extern struct bus_type mdio_bus_type;
- +
- +struct mdio_board_info {
- + const char *bus_id;
- + int phy_addr;
- +
- + const void *platform_data;
- +};
- +
- +#ifdef CONFIG_MDIO_BOARDINFO
- +int mdiobus_register_board_info(const struct mdio_board_info *info, unsigned n);
- +#else
- +static inline int
- +mdiobus_register_board_info(const struct mdio_board_info *info, unsigned n)
- +{
- + return 0;
- +}
- +#endif
- +
- #endif /* __PHY_H */
- --- a/drivers/net/phy/Kconfig
- +++ b/drivers/net/phy/Kconfig
- @@ -12,6 +12,10 @@ menuconfig PHYLIB
-
- if PHYLIB
-
- +config MDIO_BOARDINFO
- + bool
- + default y
- +
- config SWCONFIG
- tristate "Switch configuration API"
- ---help---
- --- a/drivers/net/phy/Makefile
- +++ b/drivers/net/phy/Makefile
- @@ -2,6 +2,8 @@
-
- libphy-objs := phy.o phy_device.o mdio_bus.o
-
- +obj-$(CONFIG_MDIO_BOARDINFO) += mdio-boardinfo.o
- +
- obj-$(CONFIG_PHYLIB) += libphy.o
- obj-$(CONFIG_SWCONFIG) += swconfig.o
- obj-$(CONFIG_MARVELL_PHY) += marvell.o
- --- /dev/null
- +++ b/drivers/net/phy/mdio-boardinfo.c
- @@ -0,0 +1,58 @@
- +/*
- + * mdio-boardinfo.c - collect pre-declarations of PHY devices
- + *
- + * This program is free software; you can redistribute it and/or modify it
- + * under the terms of the GNU General Public License as published by the
- + * Free Software Foundation; either version 2 of the License, or (at your
- + * option) any later version.
- + *
- + */
- +
- +#include <linux/kernel.h>
- +#include <linux/phy.h>
- +#include <linux/slab.h>
- +#include <linux/export.h>
- +#include <linux/mutex.h>
- +#include <linux/phy.h>
- +
- +#include "mdio-boardinfo.h"
- +
- +/*
- + * These symbols are exported ONLY FOR the mdio_bus component.
- + * No other users will be supported.
- + */
- +
- +LIST_HEAD(__mdio_board_list);
- +EXPORT_SYMBOL_GPL(__mdio_board_list);
- +
- +DEFINE_MUTEX(__mdio_board_lock);
- +EXPORT_SYMBOL_GPL(__mdio_board_lock);
- +
- +/**
- + * mdio_register_board_info - register PHY devices for a given board
- + * @info: array of chip descriptors
- + * @n: how many descriptors are provided
- + * Context: can sleep
- + *
- + * The board info passed can safely be __initdata ... but be careful of
- + * any embedded pointers (platform_data, etc), they're copied as-is.
- + */
- +int __init
- +mdiobus_register_board_info(struct mdio_board_info const *info, unsigned n)
- +{
- + struct mdio_board_entry *be;
- + int i;
- +
- + be = kzalloc(n * sizeof(*be), GFP_KERNEL);
- + if (!be)
- + return -ENOMEM;
- +
- + for (i = 0; i < n; i++, be++, info++) {
- + memcpy(&be->board_info, info, sizeof(*info));
- + mutex_lock(&__mdio_board_lock);
- + list_add_tail(&be->list, &__mdio_board_list);
- + mutex_unlock(&__mdio_board_lock);
- + }
- +
- + return 0;
- +}
- --- /dev/null
- +++ b/drivers/net/phy/mdio-boardinfo.h
- @@ -0,0 +1,22 @@
- +/*
- + * mdio-boardinfo.h - boardinfo interface internal to the mdio_bus component
- + *
- + * This program is free software; you can redistribute it and/or modify it
- + * under the terms of the GNU General Public License as published by the
- + * Free Software Foundation; either version 2 of the License, or (at your
- + * option) any later version.
- + *
- + */
- +
- +#include <linux/mutex.h>
- +
- +struct mdio_board_entry {
- + struct list_head list;
- + struct mdio_board_info board_info;
- +};
- +
- +/* __mdio_board_lock protects __mdio_board_list
- + * only mdio_bus components are allowed to use these symbols.
- + */
- +extern struct mutex __mdio_board_lock;
- +extern struct list_head __mdio_board_list;
- --- a/drivers/net/Makefile
- +++ b/drivers/net/Makefile
- @@ -15,7 +15,7 @@ obj-$(CONFIG_MII) += mii.o
- obj-$(CONFIG_MDIO) += mdio.o
- obj-$(CONFIG_NET) += Space.o loopback.o
- obj-$(CONFIG_NETCONSOLE) += netconsole.o
- -obj-$(CONFIG_PHYLIB) += phy/
- +obj-y += phy/
- obj-$(CONFIG_RIONET) += rionet.o
- obj-$(CONFIG_NET_TEAM) += team/
- obj-$(CONFIG_TUN) += tun.o
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