aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/of
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/of')
-rw-r--r--drivers/of/device.c4
-rw-r--r--drivers/of/fdt.c3
-rw-r--r--drivers/of/of_mdio.c23
-rw-r--r--drivers/of/of_reserved_mem.c2
-rw-r--r--drivers/of/platform.c3
5 files changed, 8 insertions, 27 deletions
diff --git a/drivers/of/device.c b/drivers/of/device.c
index 9416d052cb89..28c38c756f92 100644
--- a/drivers/of/device.c
+++ b/drivers/of/device.c
@@ -144,8 +144,8 @@ int of_dma_configure(struct device *dev, struct device_node *np)
coherent ? " " : " not ");
iommu = of_iommu_configure(dev, np);
- if (IS_ERR(iommu))
- return PTR_ERR(iommu);
+ if (IS_ERR(iommu) && PTR_ERR(iommu) == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
dev_dbg(dev, "device is%sbehind an iommu\n",
iommu ? " " : " not ");
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 3080d9dd031d..43bd69dceabf 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -507,6 +507,9 @@ void *__unflatten_device_tree(const void *blob,
/* Allocate memory for the expanded device tree */
mem = dt_alloc(size + 4, __alignof__(struct device_node));
+ if (!mem)
+ return NULL;
+
memset(mem, 0, size);
*(__be32 *)(mem + size) = cpu_to_be32(0xdeadbeef);
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index 7e4c80f9b6cd..e0dbd6e48a98 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -119,28 +119,6 @@ static void of_mdiobus_register_device(struct mii_bus *mdio,
child->name, addr);
}
-int of_mdio_parse_addr(struct device *dev, const struct device_node *np)
-{
- u32 addr;
- int ret;
-
- ret = of_property_read_u32(np, "reg", &addr);
- if (ret < 0) {
- dev_err(dev, "%s has invalid PHY address\n", np->full_name);
- return ret;
- }
-
- /* A PHY must have a reg property in the range [0-31] */
- if (addr >= PHY_MAX_ADDR) {
- dev_err(dev, "%s PHY address %i is too large\n",
- np->full_name, addr);
- return -EINVAL;
- }
-
- return addr;
-}
-EXPORT_SYMBOL(of_mdio_parse_addr);
-
/* The following is a list of PHY compatible strings which appear in
* some DTBs. The compatible string is never matched against a PHY
* driver, so is pointless. We only expect devices which are not PHYs
@@ -226,7 +204,6 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
/* Get bus level PHY reset GPIO details */
mdio->reset_delay_us = DEFAULT_GPIO_RESET_DELAY;
of_property_read_u32(np, "reset-delay-us", &mdio->reset_delay_us);
- mdio->num_reset_gpios = of_gpio_named_count(np, "reset-gpios");
/* Register the MDIO bus */
rc = mdiobus_register(mdio);
diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index 4dec07ea510f..d507c3569a88 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c
@@ -197,7 +197,7 @@ static int __init __reserved_mem_init_node(struct reserved_mem *rmem)
const struct of_device_id *i;
for (i = __reservedmem_of_table; i < &__rmem_of_table_sentinel; i++) {
- int const (*initfn)(struct reserved_mem *rmem) = i->data;
+ reservedmem_of_init_fn initfn = i->data;
const char *compat = i->compatible;
if (!of_flat_dt_is_compatible(rmem->fdt_node, compat))
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 71fecc2debfc..703a42118ffc 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -523,7 +523,7 @@ static int __init of_platform_default_populate_init(void)
arch_initcall_sync(of_platform_default_populate_init);
#endif
-static int of_platform_device_destroy(struct device *dev, void *data)
+int of_platform_device_destroy(struct device *dev, void *data)
{
/* Do not touch devices not populated from the device tree */
if (!dev->of_node || !of_node_check_flag(dev->of_node, OF_POPULATED))
@@ -544,6 +544,7 @@ static int of_platform_device_destroy(struct device *dev, void *data)
of_node_clear_flag(dev->of_node, OF_POPULATED_BUS);
return 0;
}
+EXPORT_SYMBOL_GPL(of_platform_device_destroy);
/**
* of_platform_depopulate() - Remove devices populated from device tree