linux/3.2: build mdio_register_board_info into the kernel if PHYLIB is selected

SVN-Revision: 30944
This commit is contained in:
Gabor Juhos 2012-03-15 09:25:47 +00:00
parent cee31ca238
commit eb096bca59
8 changed files with 144 additions and 68 deletions

View file

@ -1,51 +1,15 @@
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -36,6 +36,44 @@
@@ -36,6 +36,8 @@
#include <asm/irq.h>
#include <asm/uaccess.h>
+struct mdio_board_entry {
+ struct list_head list;
+ struct mdio_board_info board_info;
+};
+
+static LIST_HEAD(mdio_board_list);
+static DEFINE_MUTEX(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;
+}
+
+#include "mdio-boardinfo.h"
+
/**
* mdiobus_alloc - allocate a mii_bus structure
*
@@ -179,15 +217,31 @@ void mdiobus_free(struct mii_bus *bus)
@@ -179,15 +181,33 @@ void mdiobus_free(struct mii_bus *bus)
}
EXPORT_SYMBOL(mdiobus_free);
@ -70,26 +34,17 @@
if (IS_ERR(phydev) || phydev == NULL)
return phydev;
+ list_for_each_entry(be, &mdio_board_list, list)
+ 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
@@ -394,8 +394,8 @@ struct phy_driver {
/* Determines the negotiated speed and duplex */
int (*read_status)(struct phy_device *phydev);
- /*
- * Update the value in phydev->link to reflect the
+ /*
+ * Update the value in phydev->link to reflect the
* current link value
*/
int (*update_link)(struct phy_device *phydev);
@@ -538,4 +538,22 @@ int __init mdio_bus_init(void);
void mdio_bus_exit(void);
@ -102,14 +57,135 @@
+ const void *platform_data;
+};
+
+#ifdef CONFIG_PHYLIB
+int mdiobus_register_board_info(struct mdio_board_info const *info, unsigned n);
+#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(struct mdio_board_info const *info, unsigned n)
+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-$(CONFIG_TUN) += tun.o
obj-$(CONFIG_VETH) += veth.o

View file

@ -1,6 +1,6 @@
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -102,6 +102,13 @@ config MICREL_PHY
@@ -106,6 +106,13 @@ config MICREL_PHY
---help---
Supports the KSZ9021, VSC8201, KS8001 PHYs.
@ -16,7 +16,7 @@
depends on PHYLIB=y
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -14,6 +14,7 @@ obj-$(CONFIG_VITESSE_PHY) += vitesse.o
@@ -16,6 +16,7 @@ obj-$(CONFIG_VITESSE_PHY) += vitesse.o
obj-$(CONFIG_BROADCOM_PHY) += broadcom.o
obj-$(CONFIG_BCM63XX_PHY) += bcm63xx.o
obj-$(CONFIG_ICPLUS_PHY) += icplus.o

View file

@ -1,6 +1,6 @@
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -109,6 +109,9 @@ config ADM6996_PHY
@@ -113,6 +113,9 @@ config ADM6996_PHY
Currently supports the ADM6996FC and ADM6996M switches.
Support for FC is very limited.
@ -12,7 +12,7 @@
depends on PHYLIB=y
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -15,6 +15,7 @@ obj-$(CONFIG_BROADCOM_PHY) += broadcom.o
@@ -17,6 +17,7 @@ obj-$(CONFIG_BROADCOM_PHY) += broadcom.o
obj-$(CONFIG_BCM63XX_PHY) += bcm63xx.o
obj-$(CONFIG_ICPLUS_PHY) += icplus.o
obj-$(CONFIG_ADM6996_PHY) += adm6996.o

View file

@ -1,6 +1,6 @@
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -112,6 +112,10 @@ config ADM6996_PHY
@@ -116,6 +116,10 @@ config ADM6996_PHY
config MVSWITCH_PHY
tristate "Driver for Marvell 88E6060 switches"
@ -13,7 +13,7 @@
depends on PHYLIB=y
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -16,6 +16,7 @@ obj-$(CONFIG_BCM63XX_PHY) += bcm63xx.o
@@ -18,6 +18,7 @@ obj-$(CONFIG_BCM63XX_PHY) += bcm63xx.o
obj-$(CONFIG_ICPLUS_PHY) += icplus.o
obj-$(CONFIG_ADM6996_PHY) += adm6996.o
obj-$(CONFIG_MVSWITCH_PHY) += mvswitch.o

View file

@ -1,6 +1,6 @@
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -116,6 +116,10 @@ config IP17XX_PHY
@@ -120,6 +120,10 @@ config IP17XX_PHY
tristate "Driver for IC+ IP17xx switches"
select SWCONFIG
@ -13,7 +13,7 @@
depends on PHYLIB=y
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -18,6 +18,7 @@ obj-$(CONFIG_ADM6996_PHY) += adm6996.o
@@ -20,6 +20,7 @@ obj-$(CONFIG_ADM6996_PHY) += adm6996.o
obj-$(CONFIG_MVSWITCH_PHY) += mvswitch.o
obj-$(CONFIG_IP17XX_PHY) += ip17xx.o
obj-$(CONFIG_REALTEK_PHY) += realtek.o

View file

@ -1,6 +1,6 @@
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -120,6 +120,10 @@ config AR8216_PHY
@@ -124,6 +124,10 @@ config AR8216_PHY
tristate "Driver for Atheros AR8216 switches"
select SWCONFIG
@ -13,7 +13,7 @@
depends on PHYLIB=y
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -19,6 +19,7 @@ obj-$(CONFIG_MVSWITCH_PHY) += mvswitch.o
@@ -21,6 +21,7 @@ obj-$(CONFIG_MVSWITCH_PHY) += mvswitch.o
obj-$(CONFIG_IP17XX_PHY) += ip17xx.o
obj-$(CONFIG_REALTEK_PHY) += realtek.o
obj-$(CONFIG_AR8216_PHY) += ar8216.o

View file

@ -1,6 +1,6 @@
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -162,4 +162,29 @@ config MDIO_OCTEON
@@ -166,4 +166,29 @@ config MDIO_OCTEON
If in doubt, say Y.
@ -32,7 +32,7 @@
endif # PHYLIB
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -20,6 +20,9 @@ obj-$(CONFIG_IP17XX_PHY) += ip17xx.o
@@ -22,6 +22,9 @@ obj-$(CONFIG_IP17XX_PHY) += ip17xx.o
obj-$(CONFIG_REALTEK_PHY) += realtek.o
obj-$(CONFIG_AR8216_PHY) += ar8216.o
obj-$(CONFIG_RTL8306_PHY) += rtl8306.o

View file

@ -1,6 +1,6 @@
--- a/drivers/net/phy/Kconfig
+++ b/drivers/net/phy/Kconfig
@@ -179,6 +179,10 @@ config RTL8366RB_PHY
@@ -183,6 +183,10 @@ config RTL8366RB_PHY
tristate "Driver for the Realtek RTL8366RB switch"
select SWCONFIG
@ -13,7 +13,7 @@
depends on RTL8366S_PHY || RTL8366RB_PHY
--- a/drivers/net/phy/Makefile
+++ b/drivers/net/phy/Makefile
@@ -23,6 +23,7 @@ obj-$(CONFIG_RTL8306_PHY) += rtl8306.o
@@ -25,6 +25,7 @@ obj-$(CONFIG_RTL8306_PHY) += rtl8306.o
obj-$(CONFIG_RTL8366_SMI) += rtl8366_smi.o
obj-$(CONFIG_RTL8366S_PHY) += rtl8366s.o
obj-$(CONFIG_RTL8366RB_PHY) += rtl8366rb.o