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@ -1,51 +1,15 @@ |
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--- a/drivers/net/phy/mdio_bus.c
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--- a/drivers/net/phy/mdio_bus.c
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+++ b/drivers/net/phy/mdio_bus.c
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+++ b/drivers/net/phy/mdio_bus.c
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@@ -36,6 +36,44 @@
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@@ -36,6 +36,8 @@
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#include <asm/irq.h>
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#include <asm/irq.h>
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#include <asm/uaccess.h>
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#include <asm/uaccess.h>
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+struct mdio_board_entry {
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+#include "mdio-boardinfo.h"
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+ struct list_head list;
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+ struct mdio_board_info board_info;
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+};
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+
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+static LIST_HEAD(mdio_board_list);
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+static DEFINE_MUTEX(mdio_board_lock);
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+
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+/**
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+ * mdio_register_board_info - register PHY devices for a given board
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+ * @info: array of chip descriptors
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+ * @n: how many descriptors are provided
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+ * Context: can sleep
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+ *
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+ * The board info passed can safely be __initdata ... but be careful of
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+ * any embedded pointers (platform_data, etc), they're copied as-is.
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+ */
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+int __init
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+mdiobus_register_board_info(struct mdio_board_info const *info, unsigned n)
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+{
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+ struct mdio_board_entry *be;
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+ int i;
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+
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+ be = kzalloc(n * sizeof(*be), GFP_KERNEL);
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+ if (!be)
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+ return -ENOMEM;
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+
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+ for (i = 0; i < n; i++, be++, info++) {
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+ memcpy(&be->board_info, info, sizeof(*info));
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+ mutex_lock(&mdio_board_lock);
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+ list_add_tail(&be->list, &mdio_board_list);
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+ mutex_unlock(&mdio_board_lock);
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+ }
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+
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+ return 0;
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+}
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+
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+
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+
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/**
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/**
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* mdiobus_alloc_size - allocate a mii_bus structure
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* mdiobus_alloc_size - allocate a mii_bus structure
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* @size: extra amount of memory to allocate for private storage.
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* @size: extra amount of memory to allocate for private storage.
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@@ -192,15 +230,31 @@ void mdiobus_free(struct mii_bus *bus)
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@@ -192,15 +194,33 @@ void mdiobus_free(struct mii_bus *bus)
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}
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}
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EXPORT_SYMBOL(mdiobus_free);
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EXPORT_SYMBOL(mdiobus_free);
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@ -70,26 +34,17 @@ |
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if (IS_ERR(phydev) || phydev == NULL)
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if (IS_ERR(phydev) || phydev == NULL)
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return phydev;
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return phydev;
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+ list_for_each_entry(be, &mdio_board_list, list)
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+ mutex_lock(&__mdio_board_lock);
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+ list_for_each_entry(be, &__mdio_board_list, list)
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+ mdiobus_setup_phydev_from_boardinfo(bus, phydev,
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+ mdiobus_setup_phydev_from_boardinfo(bus, phydev,
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+ &be->board_info);
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+ &be->board_info);
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+ mutex_unlock(&__mdio_board_lock);
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+
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+
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err = phy_device_register(phydev);
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err = phy_device_register(phydev);
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if (err) {
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if (err) {
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phy_device_free(phydev);
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phy_device_free(phydev);
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--- a/include/linux/phy.h
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--- a/include/linux/phy.h
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+++ b/include/linux/phy.h
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+++ b/include/linux/phy.h
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@@ -399,8 +399,8 @@ struct phy_driver {
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/* Determines the negotiated speed and duplex */
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int (*read_status)(struct phy_device *phydev);
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- /*
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- * Update the value in phydev->link to reflect the
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+ /*
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+ * Update the value in phydev->link to reflect the
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* current link value
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*/
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int (*update_link)(struct phy_device *phydev);
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@@ -543,4 +543,22 @@ int __init mdio_bus_init(void);
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@@ -543,4 +543,22 @@ int __init mdio_bus_init(void);
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void mdio_bus_exit(void);
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void mdio_bus_exit(void);
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@ -102,14 +57,135 @@ |
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+ const void *platform_data;
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+ const void *platform_data;
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+};
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+};
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+
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+
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+#ifdef CONFIG_PHYLIB
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+#ifdef CONFIG_MDIO_BOARDINFO
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+int mdiobus_register_board_info(struct mdio_board_info const *info, unsigned n);
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+int mdiobus_register_board_info(const struct mdio_board_info *info, unsigned n);
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+#else
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+#else
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+static inline int
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+static inline int
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+mdiobus_register_board_info(struct mdio_board_info const *info, unsigned n)
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+mdiobus_register_board_info(const struct mdio_board_info *info, unsigned n)
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+{
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+{
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+ return 0;
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+ return 0;
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+}
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+}
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+#endif
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+#endif
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+
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+
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#endif /* __PHY_H */
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#endif /* __PHY_H */
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--- a/drivers/net/phy/Kconfig
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+++ b/drivers/net/phy/Kconfig
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@@ -13,6 +13,10 @@ menuconfig PHYLIB
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if PHYLIB
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+config MDIO_BOARDINFO
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+ bool
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+ default y
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+
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config SWCONFIG
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tristate "Switch configuration API"
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---help---
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--- a/drivers/net/phy/Makefile
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+++ b/drivers/net/phy/Makefile
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@@ -2,6 +2,8 @@
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libphy-objs := phy.o phy_device.o mdio_bus.o
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+obj-$(CONFIG_MDIO_BOARDINFO) += mdio-boardinfo.o
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+
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obj-$(CONFIG_PHYLIB) += libphy.o
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obj-$(CONFIG_SWCONFIG) += swconfig.o
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obj-$(CONFIG_MARVELL_PHY) += marvell.o
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--- /dev/null
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+++ b/drivers/net/phy/mdio-boardinfo.c
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@@ -0,0 +1,58 @@
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+/*
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+ * mdio-boardinfo.c - collect pre-declarations of PHY devices
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+ *
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+ * This program is free software; you can redistribute it and/or modify it
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+ * under the terms of the GNU General Public License as published by the
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+ * Free Software Foundation; either version 2 of the License, or (at your
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+ * option) any later version.
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+ *
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+ */
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+
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+#include <linux/kernel.h>
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+#include <linux/phy.h>
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+#include <linux/slab.h>
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+#include <linux/export.h>
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+#include <linux/mutex.h>
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+#include <linux/phy.h>
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+
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+#include "mdio-boardinfo.h"
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+
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+/*
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+ * These symbols are exported ONLY FOR the mdio_bus component.
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+ * No other users will be supported.
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+ */
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+
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+LIST_HEAD(__mdio_board_list);
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+EXPORT_SYMBOL_GPL(__mdio_board_list);
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+
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+DEFINE_MUTEX(__mdio_board_lock);
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+EXPORT_SYMBOL_GPL(__mdio_board_lock);
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+
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+/**
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+ * mdio_register_board_info - register PHY devices for a given board
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+ * @info: array of chip descriptors
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+ * @n: how many descriptors are provided
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+ * Context: can sleep
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+ *
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+ * The board info passed can safely be __initdata ... but be careful of
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+ * any embedded pointers (platform_data, etc), they're copied as-is.
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+ */
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+int __init
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+mdiobus_register_board_info(struct mdio_board_info const *info, unsigned n)
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+{
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+ struct mdio_board_entry *be;
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+ int i;
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+
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+ be = kzalloc(n * sizeof(*be), GFP_KERNEL);
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+ if (!be)
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+ return -ENOMEM;
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+
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+ for (i = 0; i < n; i++, be++, info++) {
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+ memcpy(&be->board_info, info, sizeof(*info));
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+ mutex_lock(&__mdio_board_lock);
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+ list_add_tail(&be->list, &__mdio_board_list);
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+ mutex_unlock(&__mdio_board_lock);
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+ }
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+
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+ return 0;
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+}
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--- /dev/null
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+++ b/drivers/net/phy/mdio-boardinfo.h
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@@ -0,0 +1,22 @@
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+/*
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+ * mdio-boardinfo.h - boardinfo interface internal to the mdio_bus component
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+ *
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+ * This program is free software; you can redistribute it and/or modify it
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+ * under the terms of the GNU General Public License as published by the
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+ * Free Software Foundation; either version 2 of the License, or (at your
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+ * option) any later version.
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+ *
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+ */
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+
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+#include <linux/mutex.h>
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+
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+struct mdio_board_entry {
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+ struct list_head list;
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+ struct mdio_board_info board_info;
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+};
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+
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+/* __mdio_board_lock protects __mdio_board_list
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+ * only mdio_bus components are allowed to use these symbols.
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+ */
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+extern struct mutex __mdio_board_lock;
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+extern struct list_head __mdio_board_list;
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--- a/drivers/net/Makefile
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+++ b/drivers/net/Makefile
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@@ -15,7 +15,7 @@ obj-$(CONFIG_MII) += mii.o
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obj-$(CONFIG_MDIO) += mdio.o
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obj-$(CONFIG_NET) += Space.o loopback.o
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obj-$(CONFIG_NETCONSOLE) += netconsole.o
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-obj-$(CONFIG_PHYLIB) += phy/
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+obj-y += phy/
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obj-$(CONFIG_RIONET) += rionet.o
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obj-$(CONFIG_NET_TEAM) += team/
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obj-$(CONFIG_TUN) += tun.o
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Gabor Juhos
13 years ago