diff options
| author | Marcelo Tosatti <mtosatti@redhat.com> | 2012-08-26 13:58:41 -0300 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2012-08-26 13:58:41 -0300 |
| commit | c78aa4c4b94b5b148be576a9f1570e31fe282b46 (patch) | |
| tree | 6d5801eb3e60bcec6a91c7b13a334c6d2ea11b05 /drivers/of/base.c | |
| parent | 90993cdd1800dc6ef9587431a0c625b978584e81 (diff) | |
| parent | 9acb172543aecb783e2e1e53e3f447d4c0f5c150 (diff) | |
Merge remote-tracking branch 'upstream/master' into queue
Merging critical fixes from upstream required for development.
* upstream/master: (809 commits)
libata: Add a space to " 2GB ATA Flash Disk" DMA blacklist entry
Revert "powerpc: Update g5_defconfig"
powerpc/perf: Use pmc_overflow() to detect rolled back events
powerpc: Fix VMX in interrupt check in POWER7 copy loops
powerpc: POWER7 copy_to_user/copy_from_user patch applied twice
powerpc: Fix personality handling in ppc64_personality()
powerpc/dma-iommu: Fix IOMMU window check
powerpc: Remove unnecessary ifdefs
powerpc/kgdb: Restore current_thread_info properly
powerpc/kgdb: Bail out of KGDB when we've been triggered
powerpc/kgdb: Do not set kgdb_single_step on ppc
powerpc/mpic_msgr: Add missing includes
powerpc: Fix null pointer deref in perf hardware breakpoints
powerpc: Fixup whitespace in xmon
powerpc: Fix xmon dl command for new printk implementation
xfs: check for possible overflow in xfs_ioc_trim
xfs: unlock the AGI buffer when looping in xfs_dialloc
xfs: fix uninitialised variable in xfs_rtbuf_get()
powerpc/fsl: fix "Failed to mount /dev: No such device" errors
powerpc/fsl: update defconfigs
...
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'drivers/of/base.c')
| -rw-r--r-- | drivers/of/base.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/of/base.c b/drivers/of/base.c index c181b94abc3..d4a1c9a043e 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -364,6 +364,33 @@ struct device_node *of_get_next_child(const struct device_node *node, EXPORT_SYMBOL(of_get_next_child); /** + * of_get_next_available_child - Find the next available child node + * @node: parent node + * @prev: previous child of the parent node, or NULL to get first + * + * This function is like of_get_next_child(), except that it + * automatically skips any disabled nodes (i.e. status = "disabled"). + */ +struct device_node *of_get_next_available_child(const struct device_node *node, + struct device_node *prev) +{ + struct device_node *next; + + read_lock(&devtree_lock); + next = prev ? prev->sibling : node->child; + for (; next; next = next->sibling) { + if (!of_device_is_available(next)) + continue; + if (of_node_get(next)) + break; + } + of_node_put(prev); + read_unlock(&devtree_lock); + return next; +} +EXPORT_SYMBOL(of_get_next_available_child); + +/** * of_find_node_by_path - Find a node matching a full OF path * @path: The full path to match * |