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of/i2c: Fill the archdata for I2C devices

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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);