summaryrefslogtreecommitdiffstats
path: root/arch/sparc64/kernel/prom.c
diff options
context:
space:
mode:
authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-10-15 23:16:07 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-10-15 23:16:07 +0100
commit2502991560dc8244dbe10e48473d85722c1e2ec1 (patch)
tree63b1f3be2ed56ff06f1e8db709e4ce85d69c3add /arch/sparc64/kernel/prom.c
parent7e69a8c4d06b7ecb874f571e82b715a9f79bc3c4 (diff)
parenta9ff8f6462635c8d9f8d64b7b10ddcea8404d77b (diff)
Merge branch 'fixes' into for-linus
Conflicts: arch/arm/mach-versatile/core.c
Diffstat (limited to 'arch/sparc64/kernel/prom.c')
-rw-r--r--arch/sparc64/kernel/prom.c91
1 files changed, 61 insertions, 30 deletions
diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c
index 7151513f156..dbba82f9b14 100644
--- a/arch/sparc64/kernel/prom.c
+++ b/arch/sparc64/kernel/prom.c
@@ -38,7 +38,7 @@ struct device_node *of_find_node_by_phandle(phandle handle)
{
struct device_node *np;
- for (np = allnodes; np != 0; np = np->allnext)
+ for (np = allnodes; np; np = np->allnext)
if (np->node == handle)
break;
@@ -59,6 +59,9 @@ int of_getintprop_default(struct device_node *np, const char *name, int def)
}
EXPORT_SYMBOL(of_getintprop_default);
+DEFINE_MUTEX(of_set_property_mutex);
+EXPORT_SYMBOL(of_set_property_mutex);
+
int of_set_property(struct device_node *dp, const char *name, void *val, int len)
{
struct property **prevp;
@@ -82,7 +85,10 @@ int of_set_property(struct device_node *dp, const char *name, void *val, int len
void *old_val = prop->value;
int ret;
+ mutex_lock(&of_set_property_mutex);
ret = prom_setprop(dp->node, name, val, len);
+ mutex_unlock(&of_set_property_mutex);
+
err = -EINVAL;
if (ret >= 0) {
prop->value = new_val;
@@ -945,22 +951,30 @@ static void __init irq_trans_init(struct device_node *dp)
for (i = 0; i < ARRAY_SIZE(pci_irq_trans_table); i++) {
struct irq_trans *t = &pci_irq_trans_table[i];
- if (!strcmp(model, t->name))
- return t->init(dp);
+ if (!strcmp(model, t->name)) {
+ t->init(dp);
+ return;
+ }
}
}
#endif
#ifdef CONFIG_SBUS
if (!strcmp(dp->name, "sbus") ||
- !strcmp(dp->name, "sbi"))
- return sbus_irq_trans_init(dp);
+ !strcmp(dp->name, "sbi")) {
+ sbus_irq_trans_init(dp);
+ return;
+ }
#endif
if (!strcmp(dp->name, "fhc") &&
- !strcmp(dp->parent->name, "central"))
- return central_irq_trans_init(dp);
+ !strcmp(dp->parent->name, "central")) {
+ central_irq_trans_init(dp);
+ return;
+ }
if (!strcmp(dp->name, "virtual-devices") ||
- !strcmp(dp->name, "niu"))
- return sun4v_vdev_irq_trans_init(dp);
+ !strcmp(dp->name, "niu")) {
+ sun4v_vdev_irq_trans_init(dp);
+ return;
+ }
}
static int is_root_node(const struct device_node *dp)
@@ -1231,32 +1245,49 @@ static void __init __build_path_component(struct device_node *dp, char *tmp_buf)
if (parent != NULL) {
if (!strcmp(parent->type, "pci") ||
- !strcmp(parent->type, "pciex"))
- return pci_path_component(dp, tmp_buf);
- if (!strcmp(parent->type, "sbus"))
- return sbus_path_component(dp, tmp_buf);
- if (!strcmp(parent->type, "upa"))
- return upa_path_component(dp, tmp_buf);
- if (!strcmp(parent->type, "ebus"))
- return ebus_path_component(dp, tmp_buf);
+ !strcmp(parent->type, "pciex")) {
+ pci_path_component(dp, tmp_buf);
+ return;
+ }
+ if (!strcmp(parent->type, "sbus")) {
+ sbus_path_component(dp, tmp_buf);
+ return;
+ }
+ if (!strcmp(parent->type, "upa")) {
+ upa_path_component(dp, tmp_buf);
+ return;
+ }
+ if (!strcmp(parent->type, "ebus")) {
+ ebus_path_component(dp, tmp_buf);
+ return;
+ }
if (!strcmp(parent->name, "usb") ||
- !strcmp(parent->name, "hub"))
- return usb_path_component(dp, tmp_buf);
- if (!strcmp(parent->type, "i2c"))
- return i2c_path_component(dp, tmp_buf);
- if (!strcmp(parent->type, "firewire"))
- return ieee1394_path_component(dp, tmp_buf);
- if (!strcmp(parent->type, "virtual-devices"))
- return vdev_path_component(dp, tmp_buf);
-
+ !strcmp(parent->name, "hub")) {
+ usb_path_component(dp, tmp_buf);
+ return;
+ }
+ if (!strcmp(parent->type, "i2c")) {
+ i2c_path_component(dp, tmp_buf);
+ return;
+ }
+ if (!strcmp(parent->type, "firewire")) {
+ ieee1394_path_component(dp, tmp_buf);
+ return;
+ }
+ if (!strcmp(parent->type, "virtual-devices")) {
+ vdev_path_component(dp, tmp_buf);
+ return;
+ }
/* "isa" is handled with platform naming */
}
/* Use platform naming convention. */
- if (tlb_type == hypervisor)
- return sun4v_path_component(dp, tmp_buf);
- else
- return sun4u_path_component(dp, tmp_buf);
+ if (tlb_type == hypervisor) {
+ sun4v_path_component(dp, tmp_buf);
+ return;
+ } else {
+ sun4u_path_component(dp, tmp_buf);
+ }
}
static char * __init build_path_component(struct device_node *dp)