From: Frank Rowand <frank.row...@sony.com>
of_attach_node() and of_detach_node() always return zero, so
their return value is meaningless. Change their type to void
and fix all callers to ignore return value.
Tested-by: Alan Tull <at...@kernel.org>
Signed-off-by: Frank Rowand <frank.row...@sony.com>
---
arch/powerpc/platforms/pseries/dlpar.c | 13 ++-----------
arch/powerpc/platforms/pseries/reconfig.c | 6 +-----
drivers/of/dynamic.c | 9 ++-------
include/linux/of.h | 4 ++--
4 files changed, 7 insertions(+), 25 deletions(-)
diff --git a/arch/powerpc/platforms/pseries/dlpar.c
b/arch/powerpc/platforms/pseries/dlpar.c
index 17958043e7f7..7c5a6f8fe9c1 100644
--- a/arch/powerpc/platforms/pseries/dlpar.c
+++ b/arch/powerpc/platforms/pseries/dlpar.c
@@ -242,15 +242,9 @@ struct device_node *dlpar_configure_connector(__be32
drc_index,
int dlpar_attach_node(struct device_node *dn, struct device_node *parent)
{
- int rc;
-
dn->parent = parent;
- rc = of_attach_node(dn);
- if (rc) {
- printk(KERN_ERR "Failed to add device node %pOF\n", dn);
- return rc;
- }
+ of_attach_node(dn);
return 0;
}
@@ -258,7 +252,6 @@ int dlpar_attach_node(struct device_node *dn, struct
device_node *parent)
int dlpar_detach_node(struct device_node *dn)
{
struct device_node *child;
- int rc;
child = of_get_next_child(dn, NULL);
while (child) {
@@ -266,9 +259,7 @@ int dlpar_detach_node(struct device_node *dn)
child = of_get_next_child(dn, child);
}
- rc = of_detach_node(dn);
- if (rc)
- return rc;
+ of_detach_node(dn);
of_node_put(dn);
diff --git a/arch/powerpc/platforms/pseries/reconfig.c
b/arch/powerpc/platforms/pseries/reconfig.c
index 0e0208117e77..0b72098da454 100644
--- a/arch/powerpc/platforms/pseries/reconfig.c
+++ b/arch/powerpc/platforms/pseries/reconfig.c
@@ -47,11 +47,7 @@ static int pSeries_reconfig_add_node(const char *path,
struct property *proplist
goto out_err;
}
- err = of_attach_node(np);
- if (err) {
- printk(KERN_ERR "Failed to add device node %s\n", path);
- goto out_err;
- }
+ of_attach_node(np);
of_node_put(np->parent);
diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c
index 146681540487..beea792debb6 100644
--- a/drivers/of/dynamic.c
+++ b/drivers/of/dynamic.c
@@ -224,7 +224,7 @@ static void __of_attach_node(struct device_node *np)
/**
* of_attach_node() - Plug a device node into the tree and global list.
*/
-int of_attach_node(struct device_node *np)
+void of_attach_node(struct device_node *np)
{
struct of_reconfig_data rd;
unsigned long flags;
@@ -241,8 +241,6 @@ int of_attach_node(struct device_node *np)
mutex_unlock(&of_mutex);
of_reconfig_notify(OF_RECONFIG_ATTACH_NODE, &rd);
-
- return 0;
}
void __of_detach_node(struct device_node *np)
@@ -273,11 +271,10 @@ void __of_detach_node(struct device_node *np)
/**
* of_detach_node() - "Unplug" a node from the device tree.
*/
-int of_detach_node(struct device_node *np)
+void of_detach_node(struct device_node *np)
{
struct of_reconfig_data rd;
unsigned long flags;
- int rc = 0;
memset(&rd, 0, sizeof(rd));
rd.dn = np;
@@ -291,8 +288,6 @@ int of_detach_node(struct device_node *np)
mutex_unlock(&of_mutex);
of_reconfig_notify(OF_RECONFIG_DETACH_NODE, &rd);
-
- return rc;
}
EXPORT_SYMBOL_GPL(of_detach_node);
diff --git a/include/linux/of.h b/include/linux/of.h
index 664cd5573ae2..5dd9ff480397 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -410,8 +410,8 @@ extern int of_alias_get_alias_list(const struct
of_device_id *matches,
#define OF_RECONFIG_REMOVE_PROPERTY 0x0004
#define OF_RECONFIG_UPDATE_PROPERTY 0x0005
-extern int of_attach_node(struct device_node *);
-extern int of_detach_node(struct device_node *);
+extern void of_attach_node(struct device_node *np);
+extern void of_detach_node(struct device_node *np);
#define of_match_ptr(_ptr) (_ptr)
--
Frank Rowand <frank.row...@sony.com>
