diff options
author | Grant Likely <grant.likely@secretlab.ca> | 2010-01-28 13:52:53 -0700 |
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committer | Grant Likely <grant.likely@secretlab.ca> | 2010-01-28 13:52:53 -0700 |
commit | 923f7e30b480438f1e86e01e5cde814248b59a39 (patch) | |
tree | ad9cb0e701b0a8ef2ac5113fbd4a42118039edd6 /arch/microblaze/kernel/prom.c | |
parent | 1f43cfb9474d1c4f22598b6e3213ec035be6dd56 (diff) | |
download | linux-923f7e30b480438f1e86e01e5cde814248b59a39.tar.bz2 |
of: Merge of_node_get() and of_node_put()
Merge common code between PowerPC and MicroBlaze
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Tested-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/microblaze/kernel/prom.c')
-rw-r--r-- | arch/microblaze/kernel/prom.c | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c index 16a001c71e2e..46407e643926 100644 --- a/arch/microblaze/kernel/prom.c +++ b/arch/microblaze/kernel/prom.c @@ -350,80 +350,6 @@ struct device_node *of_find_node_by_phandle(phandle handle) } EXPORT_SYMBOL(of_find_node_by_phandle); -/** - * of_node_get - Increment refcount of a node - * @node: Node to inc refcount, NULL is supported to - * simplify writing of callers - * - * Returns node. - */ -struct device_node *of_node_get(struct device_node *node) -{ - if (node) - kref_get(&node->kref); - return node; -} -EXPORT_SYMBOL(of_node_get); - -static inline struct device_node *kref_to_device_node(struct kref *kref) -{ - return container_of(kref, struct device_node, kref); -} - -/** - * of_node_release - release a dynamically allocated node - * @kref: kref element of the node to be released - * - * In of_node_put() this function is passed to kref_put() - * as the destructor. - */ -static void of_node_release(struct kref *kref) -{ - struct device_node *node = kref_to_device_node(kref); - struct property *prop = node->properties; - - /* We should never be releasing nodes that haven't been detached. */ - if (!of_node_check_flag(node, OF_DETACHED)) { - printk(KERN_INFO "WARNING: Bad of_node_put() on %s\n", - node->full_name); - dump_stack(); - kref_init(&node->kref); - return; - } - - if (!of_node_check_flag(node, OF_DYNAMIC)) - return; - - while (prop) { - struct property *next = prop->next; - kfree(prop->name); - kfree(prop->value); - kfree(prop); - prop = next; - - if (!prop) { - prop = node->deadprops; - node->deadprops = NULL; - } - } - kfree(node->full_name); - kfree(node->data); - kfree(node); -} - -/** - * of_node_put - Decrement refcount of a node - * @node: Node to dec refcount, NULL is supported to - * simplify writing of callers - * - */ -void of_node_put(struct device_node *node) -{ - if (node) - kref_put(&node->kref, of_node_release); -} -EXPORT_SYMBOL(of_node_put); - /* * Plug a device node into the tree and global list. */ |