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of: merge machine_is_compatible()

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Merge common code between PowerPC and Microblaze

Signed-off-by: Grant Likely <[email protected]>
Tested-by: Wolfram Sang <[email protected]>
Acked-by: Benjamin Herrenschmidt <[email protected]>
This commit is contained in:
Grant Likely 2010-01-28 13:47:25 -07:00
commit 1f43cfb947
3 changed files with 21 additions and 37 deletions
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21
drivers/of/base.c
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@ -143,6 +143,27 @@ int of_device_is_compatible(const struct device_node *device,
}
EXPORT_SYMBOL(of_device_is_compatible);
/**
* machine_is_compatible - Test root of device tree for a given compatible value
* @compat: compatible string to look for in root node's compatible property.
*
* Returns true if the root node has the given value in its
* compatible property.
*/
int machine_is_compatible(const char *compat)
{
struct device_node *root;
int rc = 0;
root = of_find_node_by_path("/");
if (root) {
rc = of_device_is_compatible(root, compat);
of_node_put(root);
}
return rc;
}
EXPORT_SYMBOL(machine_is_compatible);
/**
* of_device_is_available - check if a device is available for use
*