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driver-core: Add device node pointer to struct device

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Currently, platforms using CONFIG_OF add a 'struct device_node *of_node'
to dev->archdata.  However, with CONFIG_OF becoming generic for all
architectures, it makes sense for commonality to move it out of archdata
and into struct device proper.

This patch adds a struct device_node *of_node member to struct device
and updates all locations which currently write the device_node pointer
into archdata to also update dev->of_node.  Subsequent patches will
modify callers to use the archdata location and ultimately remove
the archdata member entirely.

Signed-off-by: Grant Likely <[email protected]>
Acked-by: Greg Kroah-Hartman <[email protected]>
CC: Michal Simek <[email protected]>
CC: Greg Kroah-Hartman <[email protected]>
CC: Benjamin Herrenschmidt <[email protected]>
CC: "David S. Miller" <[email protected]>
CC: Stephen Rothwell <[email protected]>
CC: Jeremy Kerr <[email protected]>
CC: [email protected]
CC: [email protected]
CC: [email protected]
CC: [email protected]
This commit is contained in:
Grant Likely 2010-04-13 16:12:28 -07:00
commit d706c1b050
11 changed files with 16 additions and 2 deletions
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1
drivers/of/of_mdio.c
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@ -80,6 +80,7 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
* can be looked up later */
of_node_get(child);
dev_archdata_set_node(&phy->dev.archdata, child);
phy->dev.of_node = child;
/* All data is now stored in the phy struct; register it */
rc = phy_device_register(phy);

1
drivers/of/of_spi.c
View file

@ -79,6 +79,7 @@ void of_register_spi_devices(struct spi_master *master, struct device_node *np)
/* Store a pointer to the node in the device structure */
of_node_get(nc);
spi->dev.of_node = nc;
spi->dev.archdata.of_node = nc;
/* Register the new device */