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path: root/drivers/net/fsl_pq_mdio.c
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Diffstat (limited to 'drivers/net/fsl_pq_mdio.c')
-rw-r--r--drivers/net/fsl_pq_mdio.c26
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/net/fsl_pq_mdio.c b/drivers/net/fsl_pq_mdio.c
index 16508535720a..b4c41d72c423 100644
--- a/drivers/net/fsl_pq_mdio.c
+++ b/drivers/net/fsl_pq_mdio.c
@@ -205,8 +205,6 @@ static int fsl_pq_mdio_find_free(struct mii_bus *new_bus)
static u32 __iomem *get_gfar_tbipa(struct fsl_pq_mdio __iomem *regs, struct device_node *np)
{
struct gfar __iomem *enet_regs;
- u32 __iomem *ioremap_tbipa;
- u64 addr, size;
/*
* This is mildly evil, but so is our hardware for doing this.
@@ -220,9 +218,7 @@ static u32 __iomem *get_gfar_tbipa(struct fsl_pq_mdio __iomem *regs, struct devi
return &enet_regs->tbipa;
} else if (of_device_is_compatible(np, "fsl,etsec2-mdio") ||
of_device_is_compatible(np, "fsl,etsec2-tbi")) {
- addr = of_translate_address(np, of_get_address(np, 1, &size, NULL));
- ioremap_tbipa = ioremap(addr, size);
- return ioremap_tbipa;
+ return of_iomap(np, 1);
} else
return NULL;
}
@@ -279,16 +275,19 @@ static int fsl_pq_mdio_probe(struct of_device *ofdev,
u32 __iomem *tbipa;
struct mii_bus *new_bus;
int tbiaddr = -1;
+ const u32 *addrp;
u64 addr = 0, size = 0;
- int err = 0;
+ int err;
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
new_bus = mdiobus_alloc();
- if (NULL == new_bus)
+ if (!new_bus) {
+ err = -ENOMEM;
goto err_free_priv;
+ }
new_bus->name = "Freescale PowerQUICC MII Bus",
new_bus->read = &fsl_pq_mdio_read,
@@ -297,8 +296,19 @@ static int fsl_pq_mdio_probe(struct of_device *ofdev,
new_bus->priv = priv;
fsl_pq_mdio_bus_name(new_bus->id, np);
+ addrp = of_get_address(np, 0, &size, NULL);
+ if (!addrp) {
+ err = -EINVAL;
+ goto err_free_bus;
+ }
+
/* Set the PHY base address */
- addr = of_translate_address(np, of_get_address(np, 0, &size, NULL));
+ addr = of_translate_address(np, addrp);
+ if (addr == OF_BAD_ADDR) {
+ err = -EINVAL;
+ goto err_free_bus;
+ }
+
map = ioremap(addr, size);
if (!map) {
err = -ENOMEM;