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authorAnton Vorontsov <avorontsov@ru.mvista.com>2008-11-28 09:13:45 +0000
committerPaul Mackerras <paulus@samba.org>2008-12-03 21:03:56 +1100
commite6a437eba09f1c3505bedf7a9a9766a878ca09fa (patch)
treee38cea0e74cac6ecd4e222db98fbf8e1f9286fb8
parent3f3b1632022fcc8317fa3b3c1236471415b3a6b8 (diff)
downloadop-kernel-dev-e6a437eba09f1c3505bedf7a9a9766a878ca09fa.zip
op-kernel-dev-e6a437eba09f1c3505bedf7a9a9766a878ca09fa.tar.gz
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>
-rw-r--r--drivers/of/of_i2c.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/of/of_i2c.c b/drivers/of/of_i2c.c
index 24bbef7..e1b0ad6 100644
--- a/drivers/of/of_i2c.c
+++ b/drivers/of/of_i2c.c
@@ -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);
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