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drivercore: Add of_match_table to the common device drivers

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OF-style matching can be available to any device, on any type of bus.
This patch allows any driver to provide an OF match table when CONFIG_OF
is enabled so that drivers can be bound against devices described in
the device tree.

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Grant Likely
2010-04-13 16:13:01 -07:00
parent 173b3a7a05
commit 597b9d1e44
4 changed files with 14 additions and 7 deletions
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7
drivers/of/platform.c
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@@ -22,8 +22,7 @@ extern struct device_attribute of_platform_device_attrs[];
static int of_platform_bus_match(struct device *dev, struct device_driver *drv)
{
struct of_device *of_dev = to_of_device(dev);
struct of_platform_driver *of_drv = to_of_platform_driver(drv);
const struct of_device_id *matches = of_drv->match_table;
const struct of_device_id *matches = drv->of_match_table;
if (!matches)
return 0;
@@ -46,7 +45,7 @@ static int of_platform_device_probe(struct device *dev)
of_dev_get(of_dev);
match = of_match_device(drv->match_table, of_dev);
match = of_match_device(drv->driver.of_match_table, of_dev);
if (match)
error = drv->probe(of_dev, match);
if (error)
@@ -391,6 +390,8 @@ int of_register_driver(struct of_platform_driver *drv, struct bus_type *bus)
drv->driver.name = drv->name;
if (!drv->driver.owner)
drv->driver.owner = drv->owner;
if (!drv->driver.of_match_table)
drv->driver.of_match_table = drv->match_table;
drv->driver.bus = bus;
/* register with core */