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of/reconfig: Always use the same structure for notifiers

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The OF_RECONFIG notifier callback uses a different structure depending
on whether it is a node change or a property change. This is silly, and
not very safe. Rework the code to use the same data structure regardless
of the type of notifier.

Signed-off-by: Grant Likely <grant.likely@linaro.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Cc: <linuxppc-dev@lists.ozlabs.org>
This commit is contained in:
Grant Likely
2014-11-24 17:58:01 +00:00
parent 00aa37206e
commit f5242e5a88
8 changed files with 54 additions and 49 deletions
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23
include/linux/of.h
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@@ -73,6 +73,12 @@ struct of_phandle_args {
uint32_t args[MAX_PHANDLE_ARGS];
};
struct of_reconfig_data {
struct device_node *dn;
struct property *prop;
struct property *old_prop;
};
/* initialize a node */
extern struct kobj_type of_node_ktype;
static inline void of_node_init(struct device_node *node)
@@ -318,12 +324,6 @@ extern int of_update_property(struct device_node *np, struct property *newprop);
#define OF_RECONFIG_REMOVE_PROPERTY 0x0004
#define OF_RECONFIG_UPDATE_PROPERTY 0x0005
struct of_prop_reconfig {
struct device_node *dn;
struct property *prop;
struct property *old_prop;
};
extern int of_attach_node(struct device_node *);
extern int of_detach_node(struct device_node *);
@@ -892,8 +892,9 @@ enum of_reconfig_change {
#ifdef CONFIG_OF_DYNAMIC
extern int of_reconfig_notifier_register(struct notifier_block *);
extern int of_reconfig_notifier_unregister(struct notifier_block *);
extern int of_reconfig_notify(unsigned long, void *);
extern int of_reconfig_get_state_change(unsigned long action, void *arg);
extern int of_reconfig_notify(unsigned long, struct of_reconfig_data *rd);
extern int of_reconfig_get_state_change(unsigned long action,
struct of_reconfig_data *arg);
extern void of_changeset_init(struct of_changeset *ocs);
extern void of_changeset_destroy(struct of_changeset *ocs);
@@ -941,11 +942,13 @@ static inline int of_reconfig_notifier_unregister(struct notifier_block *nb)
{
return -EINVAL;
}
static inline int of_reconfig_notify(unsigned long action, void *arg)
static inline int of_reconfig_notify(unsigned long action,
struct of_reconfig_data *arg)
{
return -EINVAL;
}
static inline int of_reconfig_get_state_change(unsigned long action, void *arg)
static inline int of_reconfig_get_state_change(unsigned long action,
struct of_reconfig_data *arg)
{
return -EINVAL;
}