+++ /dev/null
---- a/drivers/net/phy/mdio_bus.c
-+++ b/drivers/net/phy/mdio_bus.c
-@@ -41,6 +41,8 @@
- #include <asm/irq.h>
- #include <asm/uaccess.h>
-
-+#include "mdio-boardinfo.h"
-+
- /**
- * mdiobus_alloc_size - allocate a mii_bus structure
- * @size: extra amount of memory to allocate for private storage.
-@@ -229,15 +231,33 @@ 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);
- if (IS_ERR(phydev) || phydev == NULL)
- return 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
-@@ -581,4 +581,22 @@ 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
-@@ -13,6 +13,10 @@ 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
projects / openwrt / openwrt.git / blobdiff