>> -----Original Message----- >> From: Karicheri, Muralidharan >> Sent: Thursday, August 30, 2012 11:42 AM >> To: grant.lik...@secretlab.ca; rob.herr...@calxeda.com; devicetree- >> disc...@lists.ozlabs.org; linux-kernel@vger.kernel.org >> Cc: Karicheri, Muralidharan; Chemparathy, Cyril >> Subject: [PATCH] of: add of_find_child_by_name implementation >> >> This patch adds a helper to find a child node by name. >> >> Signed-off-by: Cyril Chemparathy <cy...@ti.com> >> Signed-off-by: Murali Karicheri <m-kariche...@ti.com> >> --- >> drivers/of/base.c | 20 ++++++++++++++++++++ >> include/linux/of.h | 2 ++ >> 2 files changed, 22 insertions(+) >> >> diff --git a/drivers/of/base.c b/drivers/of/base.c >> index d4a1c9a..bbdd0d4 100644 >> --- a/drivers/of/base.c >> +++ b/drivers/of/base.c >> @@ -441,6 +441,26 @@ struct device_node *of_find_node_by_name(struct >> device_node *from, >> EXPORT_SYMBOL(of_find_node_by_name); >> >> /** >> + * of_find_child_by_name - Find a child node by its "name" property >> + * @parent:The parent node to search from >> + * @name: The name string to match against >> + * >> + * Returns a node pointer with refcount incremented, use >> + * of_node_put() on it when done. >> + */ >> +struct device_node *of_find_child_by_name(struct device_node *parent, >> + const char *name) >> +{ >> + struct device_node *child; >> + >> + for_each_child_of_node(parent, child) >> + if (child->name && of_node_cmp(child->name, name) == 0) >> + break; >> + return child; >> +} >> +EXPORT_SYMBOL(of_find_child_by_name); >> + >> +/** >> * of_find_node_by_type - Find a node by its "device_type" property >> * @from: The node to start searching from, or NULL to start searching >> * the entire device tree. The node you pass will not be >> diff --git a/include/linux/of.h b/include/linux/of.h >> index 1b11632..a4cc8e7 100644 >> --- a/include/linux/of.h >> +++ b/include/linux/of.h >> @@ -193,6 +193,8 @@ extern struct device_node *of_get_next_child(const struct >> device_node *node, >> extern struct device_node *of_get_next_available_child( >> const struct device_node *node, struct device_node *prev); >> >> +struct device_node *of_find_child_by_name(struct device_node *parent, >> + const char *name); >> #define for_each_child_of_node(parent, child) \ >> for (child = of_get_next_child(parent, NULL); child != NULL; \ >> child = of_get_next_child(parent, child)) >> -- >> 1.7.9.5
Can someone review this? If this is okay, can this be merged to the next branch please? Murali -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/