Merge tag 'driver-core-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
"Here are two fixes for the driver core that resolve some reported
issues.
One is a regression from 4.0, the other a fixes a reported oops that
has been there since 3.19.
Both have been in linux-next for a while with no problems"
* tag 'driver-core-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
drivers/base: cacheinfo: handle absence of caches
drivers: of/base: move of_init to driver_init
diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c
index 9c2ba1c..df0c66c 100644
--- a/drivers/base/cacheinfo.c
+++ b/drivers/base/cacheinfo.c
@@ -179,7 +179,7 @@
{
int ret;
- if (init_cache_level(cpu))
+ if (init_cache_level(cpu) || !cache_leaves(cpu))
return -ENOENT;
per_cpu_cacheinfo(cpu) = kcalloc(cache_leaves(cpu),
diff --git a/drivers/base/init.c b/drivers/base/init.c
index da033d3..48c0e22 100644
--- a/drivers/base/init.c
+++ b/drivers/base/init.c
@@ -8,6 +8,7 @@
#include <linux/device.h>
#include <linux/init.h>
#include <linux/memory.h>
+#include <linux/of.h>
#include "base.h"
@@ -34,4 +35,5 @@
cpu_dev_init();
memory_dev_init();
container_dev_init();
+ of_core_init();
}
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 99764db..f065026 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -189,7 +189,7 @@
return 0;
}
-static int __init of_init(void)
+void __init of_core_init(void)
{
struct device_node *np;
@@ -198,7 +198,8 @@
of_kset = kset_create_and_add("devicetree", NULL, firmware_kobj);
if (!of_kset) {
mutex_unlock(&of_mutex);
- return -ENOMEM;
+ pr_err("devicetree: failed to register existing nodes\n");
+ return;
}
for_each_of_allnodes(np)
__of_attach_node_sysfs(np);
@@ -207,10 +208,7 @@
/* Symlink in /proc as required by userspace ABI */
if (of_root)
proc_symlink("device-tree", NULL, "/sys/firmware/devicetree/base");
-
- return 0;
}
-core_initcall(of_init);
static struct property *__of_find_property(const struct device_node *np,
const char *name, int *lenp)
diff --git a/include/linux/of.h b/include/linux/of.h
index ddeaae6..b871ff9 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -121,6 +121,8 @@
extern raw_spinlock_t devtree_lock;
#ifdef CONFIG_OF
+void of_core_init(void);
+
static inline bool is_of_node(struct fwnode_handle *fwnode)
{
return fwnode && fwnode->type == FWNODE_OF;
@@ -376,6 +378,10 @@
#else /* CONFIG_OF */
+static inline void of_core_init(void)
+{
+}
+
static inline bool is_of_node(struct fwnode_handle *fwnode)
{
return false;