18 files changed, 198 insertions, 11 deletions

diff --git a/drivers/net/phy/bcm63xx.c b/drivers/net/phy/bcm63xx.c
index 4fed95e8350e..c12815679837 100644
--- a/drivers/net/phy/bcm63xx.c
+++ b/drivers/net/phy/bcm63xx.c
@@ -130,3 +130,11 @@ static void __exit bcm63xx_phy_exit(void)
 
 module_init(bcm63xx_phy_init);
 module_exit(bcm63xx_phy_exit);
+
+static struct mdio_device_id bcm63xx_tbl[] = {
+        { 0x00406000, 0xfffffc00 },
+        { 0x002bdc00, 0xfffffc00 },
+        { }
+};
+
+MODULE_DEVICE_TABLE(mdio, bcm63xx_tbl);
diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c
index f482fc4f8cf1..cecdbbd549ec 100644
--- a/drivers/net/phy/broadcom.c
+++ b/drivers/net/phy/broadcom.c
@@ -908,3 +908,19 @@ static void __exit broadcom_exit(void)
 
 module_init(broadcom_init);
 module_exit(broadcom_exit);
+
+static struct mdio_device_id broadcom_tbl[] = {
+        { 0x00206070, 0xfffffff0 },
+        { 0x002060e0, 0xfffffff0 },
+        { 0x002060c0, 0xfffffff0 },
+        { 0x002060b0, 0xfffffff0 },
+        { 0x0143bca0, 0xfffffff0 },
+        { 0x0143bcb0, 0xfffffff0 },
+        { PHY_ID_BCM50610, 0xfffffff0 },
+        { PHY_ID_BCM50610M, 0xfffffff0 },
+        { PHY_ID_BCM57780, 0xfffffff0 },
+        { PHY_ID_BCMAC131, 0xfffffff0 },
+        { }
+};
+
+MODULE_DEVICE_TABLE(mdio, broadcom_tbl);
diff --git a/drivers/net/phy/cicada.c b/drivers/net/phy/cicada.c
index 92282b31d94b..1a325d63756b 100644
--- a/drivers/net/phy/cicada.c
+++ b/drivers/net/phy/cicada.c
@@ -158,3 +158,11 @@ static void __exit cicada_exit(void)
 
 module_init(cicada_init);
 module_exit(cicada_exit);
+
+static struct mdio_device_id cicada_tbl[] = {
+        { 0x000fc410, 0x000ffff0 },
+        { 0x000fc440, 0x000fffc0 },
+        { }
+};
+
+MODULE_DEVICE_TABLE(mdio, cicada_tbl);
diff --git a/drivers/net/phy/davicom.c b/drivers/net/phy/davicom.c
index c722e95853ff..29c17617a2ec 100644
--- a/drivers/net/phy/davicom.c
+++ b/drivers/net/phy/davicom.c
@@ -218,3 +218,12 @@ static void __exit davicom_exit(void)
 
 module_init(davicom_init);
 module_exit(davicom_exit);
+
+static struct mdio_device_id davicom_tbl[] = {
+        { 0x0181b880, 0x0ffffff0 },
+        { 0x0181b8a0, 0x0ffffff0 },
+        { 0x00181b80, 0x0ffffff0 },
+        { }
+};
+
+MODULE_DEVICE_TABLE(mdio, davicom_tbl);
diff --git a/drivers/net/phy/et1011c.c b/drivers/net/phy/et1011c.c
index 7712ebeba9bf..13995f52d6af 100644
--- a/drivers/net/phy/et1011c.c
+++ b/drivers/net/phy/et1011c.c
@@ -110,3 +110,10 @@ static void __exit et1011c_exit(void)
 
 module_init(et1011c_init);
 module_exit(et1011c_exit);
+
+static struct mdio_device_id et1011c_tbl[] = {
+        { 0x0282f014, 0xfffffff0 },
+        { }
+};
+
+MODULE_DEVICE_TABLE(mdio, et1011c_tbl);
diff --git a/drivers/net/phy/icplus.c b/drivers/net/phy/icplus.c
index 904208b95d4b..439adafeacb1 100644
--- a/drivers/net/phy/icplus.c
+++ b/drivers/net/phy/icplus.c
@@ -131,3 +131,10 @@ static void __exit ip175c_exit(void)
 
 module_init(ip175c_init);
 module_exit(ip175c_exit);
+
+static struct mdio_device_id icplus_tbl[] = {
+        { 0x02430d80, 0x0ffffff0 },
+        { }
+};
+
+MODULE_DEVICE_TABLE(mdio, icplus_tbl);
diff --git a/drivers/net/phy/lxt.c b/drivers/net/phy/lxt.c
index 057ecaacde6b..8ee929b796d8 100644
--- a/drivers/net/phy/lxt.c
+++ b/drivers/net/phy/lxt.c
@@ -173,3 +173,11 @@ static void __exit lxt_exit(void)
 
 module_init(lxt_init);
 module_exit(lxt_exit);
+
+static struct mdio_device_id lxt_tbl[] = {
+        { 0x78100000, 0xfffffff0 },
+        { 0x001378e0, 0xfffffff0 },
+        { }
+};
+
+MODULE_DEVICE_TABLE(mdio, lxt_tbl);
diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index 64c7fbe0a8e7..78b74e83ce5d 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -648,3 +648,16 @@ static void __exit marvell_exit(void)
 
 module_init(marvell_init);
 module_exit(marvell_exit);
+
+static struct mdio_device_id marvell_tbl[] = {
+        { 0x01410c60, 0xfffffff0 },
+        { 0x01410c90, 0xfffffff0 },
+        { 0x01410cc0, 0xfffffff0 },
+        { 0x01410e10, 0xfffffff0 },
+        { 0x01410cb0, 0xfffffff0 },
+        { 0x01410cd0, 0xfffffff0 },
+        { 0x01410e30, 0xfffffff0 },
+        { }
+};
+
+MODULE_DEVICE_TABLE(mdio, marvell_tbl);
diff --git a/drivers/net/phy/mdio-bitbang.c b/drivers/net/phy/mdio-bitbang.c
index 19e70d7e27ab..65391891d8c4 100644
--- a/drivers/net/phy/mdio-bitbang.c
+++ b/drivers/net/phy/mdio-bitbang.c
@@ -22,8 +22,13 @@
 #include <linux/types.h>
 #include <linux/delay.h>
 
-#define MDIO_READ 1
-#define MDIO_WRITE 0
+#define MDIO_READ 2
+#define MDIO_WRITE 1
+
+#define MDIO_C45 (1<<15)
+#define MDIO_C45_ADDR (MDIO_C45 | 0)
+#define MDIO_C45_READ (MDIO_C45 | 3)
+#define MDIO_C45_WRITE (MDIO_C45 | 1)
 
 #define MDIO_SETUP_TIME 10
 #define MDIO_HOLD_TIME 10
@@ -89,7 +94,7 @@ static u16 mdiobb_get_num(struct mdiobb_ctrl *ctrl, int bits)
 /* Utility to send the preamble, address, and
  * register (common to read and write).
  */
-static void mdiobb_cmd(struct mdiobb_ctrl *ctrl, int read, u8 phy, u8 reg)
+static void mdiobb_cmd(struct mdiobb_ctrl *ctrl, int op, u8 phy, u8 reg)
 {
         const struct mdiobb_ops *ops = ctrl->ops;
         int i;
@@ -108,23 +113,56 @@ static void mdiobb_cmd(struct mdiobb_ctrl *ctrl, int read, u8 phy, u8 reg)
         for (i = 0; i < 32; i++)
                 mdiobb_send_bit(ctrl, 1);
 
-        /* send the start bit (01) and the read opcode (10) or write (10) */
+        /* send the start bit (01) and the read opcode (10) or write (10).
+           Clause 45 operation uses 00 for the start and 11, 10 for
+           read/write */
         mdiobb_send_bit(ctrl, 0);
-        mdiobb_send_bit(ctrl, 1);
-        mdiobb_send_bit(ctrl, read);
-        mdiobb_send_bit(ctrl, !read);
+        if (op & MDIO_C45)
+                mdiobb_send_bit(ctrl, 0);
+        else
+                mdiobb_send_bit(ctrl, 1);
+        mdiobb_send_bit(ctrl, (op >> 1) & 1);
+        mdiobb_send_bit(ctrl, (op >> 0) & 1);
 
         mdiobb_send_num(ctrl, phy, 5);
         mdiobb_send_num(ctrl, reg, 5);
 }
 
+/* In clause 45 mode all commands are prefixed by MDIO_ADDR to specify the
+   lower 16 bits of the 21 bit address. This transfer is done identically to a
+   MDIO_WRITE except for a different code. To enable clause 45 mode or
+   MII_ADDR_C45 into the address. Theoretically clause 45 and normal devices
+   can exist on the same bus. Normal devices should ignore the MDIO_ADDR
+   phase. */
+static int mdiobb_cmd_addr(struct mdiobb_ctrl *ctrl, int phy, u32 addr)
+{
+        unsigned int dev_addr = (addr >> 16) & 0x1F;
+        unsigned int reg = addr & 0xFFFF;
+        mdiobb_cmd(ctrl, MDIO_C45_ADDR, phy, dev_addr);
+
+        /* send the turnaround (10) */
+        mdiobb_send_bit(ctrl, 1);
+        mdiobb_send_bit(ctrl, 0);
+
+        mdiobb_send_num(ctrl, reg, 16);
+
+        ctrl->ops->set_mdio_dir(ctrl, 0);
+        mdiobb_get_bit(ctrl);
+
+        return dev_addr;
+}
 
 static int mdiobb_read(struct mii_bus *bus, int phy, int reg)
 {
         struct mdiobb_ctrl *ctrl = bus->priv;
         int ret, i;
 
-        mdiobb_cmd(ctrl, MDIO_READ, phy, reg);
+        if (reg & MII_ADDR_C45) {
+                reg = mdiobb_cmd_addr(ctrl, phy, reg);
+                mdiobb_cmd(ctrl, MDIO_C45_READ, phy, reg);
+        } else
+                mdiobb_cmd(ctrl, MDIO_READ, phy, reg);
+
         ctrl->ops->set_mdio_dir(ctrl, 0);
 
         /* check the turnaround bit: the PHY should be driving it to zero */
@@ -147,7 +185,11 @@ static int mdiobb_write(struct mii_bus *bus, int phy, int reg, u16 val)
 {
         struct mdiobb_ctrl *ctrl = bus->priv;
 
-        mdiobb_cmd(ctrl, MDIO_WRITE, phy, reg);
+        if (reg & MII_ADDR_C45) {
+                reg = mdiobb_cmd_addr(ctrl, phy, reg);
+                mdiobb_cmd(ctrl, MDIO_C45_WRITE, phy, reg);
+        } else
+                mdiobb_cmd(ctrl, MDIO_WRITE, phy, reg);
 
         /* send the turnaround (10) */
         mdiobb_send_bit(ctrl, 1);
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index e17b70291bbc..6a6b8199a0d6 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -208,7 +208,7 @@ EXPORT_SYMBOL(mdiobus_scan);
  * because the bus read/write functions may wait for an interrupt
  * to conclude the operation.
  */
-int mdiobus_read(struct mii_bus *bus, int addr, u16 regnum)
+int mdiobus_read(struct mii_bus *bus, int addr, u32 regnum)
 {
         int retval;
 
@@ -233,7 +233,7 @@ EXPORT_SYMBOL(mdiobus_read);
  * because the bus read/write functions may wait for an interrupt
  * to conclude the operation.
  */
-int mdiobus_write(struct mii_bus *bus, int addr, u16 regnum, u16 val)
+int mdiobus_write(struct mii_bus *bus, int addr, u32 regnum, u16 val)
 {
         int err;
 
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index e67691dca4ab..0692f750c404 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -103,3 +103,12 @@ module_exit(ksphy_exit);
 MODULE_DESCRIPTION("Micrel PHY driver");
 MODULE_AUTHOR("David J. Choi");
 MODULE_LICENSE("GPL");
+
+static struct mdio_device_id micrel_tbl[] = {
+        { PHY_ID_KSZ9021, 0x000fff10 },
+        { PHY_ID_VSC8201, 0x00fffff0 },
+        { PHY_ID_KS8001, 0x00fffff0 },
+        { }
+};
+
+MODULE_DEVICE_TABLE(mdio, micrel_tbl);
diff --git a/drivers/net/phy/national.c b/drivers/net/phy/national.c
index 6c636eb72089..729ab29ba28c 100644
--- a/drivers/net/phy/national.c
+++ b/drivers/net/phy/national.c
@@ -153,3 +153,10 @@ MODULE_LICENSE("GPL");
 
 module_init(ns_init);
 module_exit(ns_exit);
+
+static struct mdio_device_id ns_tbl[] = {
+        { DP83865_PHY_ID, 0xfffffff0 },
+        { }
+};
+
+MODULE_DEVICE_TABLE(mdio, ns_tbl);
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index db1794546c56..1a99bb244106 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -149,6 +149,7 @@ EXPORT_SYMBOL(phy_scan_fixups);
 struct phy_device* phy_device_create(struct mii_bus *bus, int addr, int phy_id)
 {
         struct phy_device *dev;
+
         /* We allocate the device, and initialize the
          * default values */
         dev = kzalloc(sizeof(*dev), GFP_KERNEL);
@@ -179,6 +180,17 @@ struct phy_device* phy_device_create(struct mii_bus *bus, int addr, int phy_id)
         mutex_init(&dev->lock);
         INIT_DELAYED_WORK(&dev->state_queue, phy_state_machine);
 
+        /* Request the appropriate module unconditionally; don't
+           bother trying to do so only if it isn't already loaded,
+           because that gets complicated. A hotplug event would have
+           done an unconditional modprobe anyway.
+           We don't do normal hotplug because it won't work for MDIO
+           -- because it relies on the device staying around for long
+           enough for the driver to get loaded. With MDIO, the NIC
+           driver will get bored and give up as soon as it finds that
+           there's no driver _already_ loaded. */
+        request_module(MDIO_MODULE_PREFIX MDIO_ID_FMT, MDIO_ID_ARGS(phy_id));
+
         return dev;
 }
 EXPORT_SYMBOL(phy_device_create);
diff --git a/drivers/net/phy/qsemi.c b/drivers/net/phy/qsemi.c
index f6e190f73c32..6736b23f1b28 100644
--- a/drivers/net/phy/qsemi.c
+++ b/drivers/net/phy/qsemi.c
@@ -137,3 +137,10 @@ static void __exit qs6612_exit(void)
 
 module_init(qs6612_init);
 module_exit(qs6612_exit);
+
+static struct mdio_device_id qs6612_tbl[] = {
+        { 0x00181440, 0xfffffff0 },
+        { }
+};
+
+MODULE_DEVICE_TABLE(mdio, qs6612_tbl);
diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c
index a052a6744a51..f567c0e1aaa1 100644
--- a/drivers/net/phy/realtek.c
+++ b/drivers/net/phy/realtek.c
@@ -78,3 +78,10 @@ static void __exit realtek_exit(void)
 
 module_init(realtek_init);
 module_exit(realtek_exit);
+
+static struct mdio_device_id realtek_tbl[] = {
+        { 0x001cc912, 0x001fffff },
+        { }
+};
+
+MODULE_DEVICE_TABLE(mdio, realtek_tbl);
diff --git a/drivers/net/phy/smsc.c b/drivers/net/phy/smsc.c
index ed2644a57500..78fa988256fc 100644
--- a/drivers/net/phy/smsc.c
+++ b/drivers/net/phy/smsc.c
@@ -253,3 +253,14 @@ MODULE_LICENSE("GPL");
 
 module_init(smsc_init);
 module_exit(smsc_exit);
+
+static struct mdio_device_id smsc_tbl[] = {
+        { 0x0007c0a0, 0xfffffff0 },
+        { 0x0007c0b0, 0xfffffff0 },
+        { 0x0007c0c0, 0xfffffff0 },
+        { 0x0007c0d0, 0xfffffff0 },
+        { 0x0007c0f0, 0xfffffff0 },
+        { }
+};
+
+MODULE_DEVICE_TABLE(mdio, smsc_tbl);
diff --git a/drivers/net/phy/ste10Xp.c b/drivers/net/phy/ste10Xp.c
index 6bdb0d53aaf9..72290099e5e1 100644
--- a/drivers/net/phy/ste10Xp.c
+++ b/drivers/net/phy/ste10Xp.c
@@ -132,6 +132,14 @@ static void __exit ste10Xp_exit(void)
 module_init(ste10Xp_init);
 module_exit(ste10Xp_exit);
 
+static struct mdio_device_id ste10Xp_tbl[] = {
+        { STE101P_PHY_ID, 0xfffffff0 },
+        { STE100P_PHY_ID, 0xffffffff },
+        { }
+};
+
+MODULE_DEVICE_TABLE(mdio, ste10Xp_tbl);
+
 MODULE_DESCRIPTION("STMicroelectronics STe10Xp PHY driver");
 MODULE_AUTHOR("Giuseppe Cavallaro <peppe.cavallaro@st.com>");
 MODULE_LICENSE("GPL");
diff --git a/drivers/net/phy/vitesse.c b/drivers/net/phy/vitesse.c
index dd3b2447e85a..45cce50a2799 100644
--- a/drivers/net/phy/vitesse.c
+++ b/drivers/net/phy/vitesse.c
@@ -191,3 +191,11 @@ static void __exit vsc82xx_exit(void)
 
 module_init(vsc82xx_init);
 module_exit(vsc82xx_exit);
+
+static struct mdio_device_id vitesse_tbl[] = {
+        { PHY_ID_VSC8244, 0x000fffc0 },
+        { PHY_ID_VSC8221, 0x000ffff0 },
+        { }
+};
+
+MODULE_DEVICE_TABLE(mdio, vitesse_tbl);