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of/i2c: Fill the archdata for I2C devices 

For I2C devices we just setting the node pointer in the archdata. This
is needed so that the I2C devices could find their OF tree nodes.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Anton Vorontsov 2008-11-28 09:13:45 +00:00 committed by Paul Mackerras
parent 3f3b163202
commit e6a437eba0
1 changed files with 11 additions and 0 deletions
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11
drivers/of/of_i2c.c
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@ -24,6 +24,7 @@ void of_register_i2c_devices(struct i2c_adapter *adap,
for_each_child_of_node(adap_node, node) {
struct i2c_board_info info = {};
struct dev_archdata dev_ad = {};
const u32 *addr;
int len;
@ -41,6 +42,9 @@ void of_register_i2c_devices(struct i2c_adapter *adap,
info.addr = *addr;
dev_archdata_set_node(&dev_ad, node);
info.archdata = &dev_ad;
request_module("%s", info.type);
result = i2c_new_device(adap, &info);
@ -51,6 +55,13 @@ void of_register_i2c_devices(struct i2c_adapter *adap,
irq_dispose_mapping(info.irq);
continue;
}
/*
* Get the node to not lose the dev_archdata->of_node.
* Currently there is no way to put it back, as well as no
* of_unregister_i2c_devices() call.
*/
of_node_get(node);
}
}
EXPORT_SYMBOL(of_register_i2c_devices);