[PATCH] i2c: Export capability to probe devices
From: Pantelis Antoniou <hidden>
Date: 2012-10-30 18:16:07
Also in:
linux-omap, lkml
Subsystem:
open firmware and flattened device tree, the rest · Maintainers:
Rob Herring, Saravana Kannan, Linus Torvalds
Probe devices for a node other that the adapter node. Signed-off-by: Pantelis Antoniou <redacted> --- drivers/of/of_i2c.c | 14 ++++++++++---- include/linux/of_i2c.h | 3 +++ 2 files changed, 13 insertions(+), 4 deletions(-)
diff --git a/drivers/of/of_i2c.c b/drivers/of/of_i2c.c
index 3550f3b..7f36b05 100644
--- a/drivers/of/of_i2c.c
+++ b/drivers/of/of_i2c.c@@ -18,18 +18,18 @@ #include <linux/of_irq.h> #include <linux/module.h> -void of_i2c_register_devices(struct i2c_adapter *adap) +void of_i2c_register_node_devices(struct i2c_adapter *adap, + struct device_node *parent_node) { void *result; struct device_node *node; - /* Only register child devices if the adapter has a node pointer set */ - if (!adap->dev.of_node) + if (!parent_node) return; dev_dbg(&adap->dev, "of_i2c: walking child nodes\n"); - for_each_child_of_node(adap->dev.of_node, node) { + for_each_child_of_node(parent_node, node) { struct i2c_board_info info = {}; struct dev_archdata dev_ad = {}; const __be32 *addr;
@@ -76,6 +76,12 @@ void of_i2c_register_devices(struct i2c_adapter *adap) } } } +EXPORT_SYMBOL(of_i2c_register_node_devices); + +void of_i2c_register_devices(struct i2c_adapter *adap) +{ + of_i2c_register_node_devices(adap, adap->dev.of_node); +} EXPORT_SYMBOL(of_i2c_register_devices); static int of_dev_node_match(struct device *dev, void *data)
diff --git a/include/linux/of_i2c.h b/include/linux/of_i2c.h
index 1cb775f..d2f8ebb6 100644
--- a/include/linux/of_i2c.h
+++ b/include/linux/of_i2c.h@@ -15,6 +15,9 @@ #if defined(CONFIG_OF_I2C) || defined(CONFIG_OF_I2C_MODULE) #include <linux/i2c.h> +extern void of_i2c_register_node_devices(struct i2c_adapter *adap, + struct device_node *parent_node); + extern void of_i2c_register_devices(struct i2c_adapter *adap); /* must call put_device() when done with returned i2c_client device */
--
1.7.12