diff options
author | 2010-01-29 05:04:33 -0700 | |
---|---|---|
committer | 2010-02-09 08:32:42 -0700 | |
commit | fcdeb7fedf89f4bbc2e11959794968080cd8426e (patch) | |
tree | b549ce78d381f6185d10395afdea9ce8f741fd40 /arch/microblaze/kernel/prom.c | |
parent | microblaze: remove early_init_dt_scan_cpus() and phyp_dump_*() (diff) | |
download | linux-fcdeb7fedf89f4bbc2e11959794968080cd8426e.tar.gz linux-fcdeb7fedf89f4bbc2e11959794968080cd8426e.tar.bz2 linux-fcdeb7fedf89f4bbc2e11959794968080cd8426e.zip |
of: merge of_attach_node() & of_detach_node()
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 | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/arch/microblaze/kernel/prom.c b/arch/microblaze/kernel/prom.c index cd158ef5b583..8171282a0b0d 100644 --- a/arch/microblaze/kernel/prom.c +++ b/arch/microblaze/kernel/prom.c @@ -197,65 +197,6 @@ struct device_node *of_find_node_by_phandle(phandle handle) } EXPORT_SYMBOL(of_find_node_by_phandle); -/* - * Plug a device node into the tree and global list. - */ -void of_attach_node(struct device_node *np) -{ - unsigned long flags; - - write_lock_irqsave(&devtree_lock, flags); - np->sibling = np->parent->child; - np->allnext = allnodes; - np->parent->child = np; - allnodes = np; - write_unlock_irqrestore(&devtree_lock, flags); -} - -/* - * "Unplug" a node from the device tree. The caller must hold - * a reference to the node. The memory associated with the node - * is not freed until its refcount goes to zero. - */ -void of_detach_node(struct device_node *np) -{ - struct device_node *parent; - unsigned long flags; - - write_lock_irqsave(&devtree_lock, flags); - - parent = np->parent; - if (!parent) - goto out_unlock; - - if (allnodes == np) - allnodes = np->allnext; - else { - struct device_node *prev; - for (prev = allnodes; - prev->allnext != np; - prev = prev->allnext) - ; - prev->allnext = np->allnext; - } - - if (parent->child == np) - parent->child = np->sibling; - else { - struct device_node *prevsib; - for (prevsib = np->parent->child; - prevsib->sibling != np; - prevsib = prevsib->sibling) - ; - prevsib->sibling = np->sibling; - } - - of_node_set_flag(np, OF_DETACHED); - -out_unlock: - write_unlock_irqrestore(&devtree_lock, flags); -} - #if defined(CONFIG_DEBUG_FS) && defined(DEBUG) static struct debugfs_blob_wrapper flat_dt_blob; |