diff options
Diffstat (limited to 'drivers/net/fec_mpc52xx_phy.c')
-rw-r--r-- | drivers/net/fec_mpc52xx_phy.c | 26 |
1 files changed, 6 insertions, 20 deletions
diff --git a/drivers/net/fec_mpc52xx_phy.c b/drivers/net/fec_mpc52xx_phy.c index dd9bfa42ac34..fec9f245116b 100644 --- a/drivers/net/fec_mpc52xx_phy.c +++ b/drivers/net/fec_mpc52xx_phy.c | |||
@@ -14,12 +14,14 @@ | |||
14 | #include <linux/netdevice.h> | 14 | #include <linux/netdevice.h> |
15 | #include <linux/phy.h> | 15 | #include <linux/phy.h> |
16 | #include <linux/of_platform.h> | 16 | #include <linux/of_platform.h> |
17 | #include <linux/of_mdio.h> | ||
17 | #include <asm/io.h> | 18 | #include <asm/io.h> |
18 | #include <asm/mpc52xx.h> | 19 | #include <asm/mpc52xx.h> |
19 | #include "fec_mpc52xx.h" | 20 | #include "fec_mpc52xx.h" |
20 | 21 | ||
21 | struct mpc52xx_fec_mdio_priv { | 22 | struct mpc52xx_fec_mdio_priv { |
22 | struct mpc52xx_fec __iomem *regs; | 23 | struct mpc52xx_fec __iomem *regs; |
24 | int mdio_irqs[PHY_MAX_ADDR]; | ||
23 | }; | 25 | }; |
24 | 26 | ||
25 | static int mpc52xx_fec_mdio_transfer(struct mii_bus *bus, int phy_id, | 27 | static int mpc52xx_fec_mdio_transfer(struct mii_bus *bus, int phy_id, |
@@ -27,7 +29,7 @@ static int mpc52xx_fec_mdio_transfer(struct mii_bus *bus, int phy_id, | |||
27 | { | 29 | { |
28 | struct mpc52xx_fec_mdio_priv *priv = bus->priv; | 30 | struct mpc52xx_fec_mdio_priv *priv = bus->priv; |
29 | struct mpc52xx_fec __iomem *fec; | 31 | struct mpc52xx_fec __iomem *fec; |
30 | int tries = 100; | 32 | int tries = 3; |
31 | 33 | ||
32 | value |= (phy_id << FEC_MII_DATA_PA_SHIFT) & FEC_MII_DATA_PA_MSK; | 34 | value |= (phy_id << FEC_MII_DATA_PA_SHIFT) & FEC_MII_DATA_PA_MSK; |
33 | value |= (reg << FEC_MII_DATA_RA_SHIFT) & FEC_MII_DATA_RA_MSK; | 35 | value |= (reg << FEC_MII_DATA_RA_SHIFT) & FEC_MII_DATA_RA_MSK; |
@@ -38,7 +40,7 @@ static int mpc52xx_fec_mdio_transfer(struct mii_bus *bus, int phy_id, | |||
38 | 40 | ||
39 | /* wait for it to finish, this takes about 23 us on lite5200b */ | 41 | /* wait for it to finish, this takes about 23 us on lite5200b */ |
40 | while (!(in_be32(&fec->ievent) & FEC_IEVENT_MII) && --tries) | 42 | while (!(in_be32(&fec->ievent) & FEC_IEVENT_MII) && --tries) |
41 | udelay(5); | 43 | msleep(1); |
42 | 44 | ||
43 | if (!tries) | 45 | if (!tries) |
44 | return -ETIMEDOUT; | 46 | return -ETIMEDOUT; |
@@ -64,7 +66,6 @@ static int mpc52xx_fec_mdio_probe(struct of_device *of, | |||
64 | { | 66 | { |
65 | struct device *dev = &of->dev; | 67 | struct device *dev = &of->dev; |
66 | struct device_node *np = of->node; | 68 | struct device_node *np = of->node; |
67 | struct device_node *child = NULL; | ||
68 | struct mii_bus *bus; | 69 | struct mii_bus *bus; |
69 | struct mpc52xx_fec_mdio_priv *priv; | 70 | struct mpc52xx_fec_mdio_priv *priv; |
70 | struct resource res = {}; | 71 | struct resource res = {}; |
@@ -85,22 +86,7 @@ static int mpc52xx_fec_mdio_probe(struct of_device *of, | |||
85 | bus->write = mpc52xx_fec_mdio_write; | 86 | bus->write = mpc52xx_fec_mdio_write; |
86 | 87 | ||
87 | /* setup irqs */ | 88 | /* setup irqs */ |
88 | bus->irq = kmalloc(sizeof(bus->irq[0]) * PHY_MAX_ADDR, GFP_KERNEL); | 89 | bus->irq = priv->mdio_irqs; |
89 | if (bus->irq == NULL) { | ||
90 | err = -ENOMEM; | ||
91 | goto out_free; | ||
92 | } | ||
93 | for (i=0; i<PHY_MAX_ADDR; i++) | ||
94 | bus->irq[i] = PHY_POLL; | ||
95 | |||
96 | while ((child = of_get_next_child(np, child)) != NULL) { | ||
97 | int irq = irq_of_parse_and_map(child, 0); | ||
98 | if (irq != NO_IRQ) { | ||
99 | const u32 *id = of_get_property(child, "reg", NULL); | ||
100 | if (id) | ||
101 | bus->irq[*id] = irq; | ||
102 | } | ||
103 | } | ||
104 | 90 | ||
105 | /* setup registers */ | 91 | /* setup registers */ |
106 | err = of_address_to_resource(np, 0, &res); | 92 | err = of_address_to_resource(np, 0, &res); |
@@ -122,7 +108,7 @@ static int mpc52xx_fec_mdio_probe(struct of_device *of, | |||
122 | out_be32(&priv->regs->mii_speed, | 108 | out_be32(&priv->regs->mii_speed, |
123 | ((mpc52xx_find_ipb_freq(of->node) >> 20) / 5) << 1); | 109 | ((mpc52xx_find_ipb_freq(of->node) >> 20) / 5) << 1); |
124 | 110 | ||
125 | err = mdiobus_register(bus); | 111 | err = of_mdiobus_register(bus, np); |
126 | if (err) | 112 | if (err) |
127 | goto out_unmap; | 113 | goto out_unmap; |
128 | 114 | ||