diff options
| author | Grant Likely <grant.likely@secretlab.ca> | 2010-06-08 07:48:17 -0600 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2010-07-05 16:14:51 -0600 |
| commit | 8cec0e7b4c7c0b76f2b5285f250211ad81c3eafd (patch) | |
| tree | 84d3988600e37906d8e9972ad8ae31a0ea4684cf /drivers/of/device.c | |
| parent | 2e13cba8dc35774bf1d7169733e876c5b7adee54 (diff) | |
of/device: Add OF style matching helper function
Add of_driver_match_device() helper function. This function can be used
by bus types to determine if a driver works with a device when using OF
style matching. If CONFIG_OF is unselected, then it is a nop.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
CC: Greg Kroah-Hartman <gregkh@suse.de>
CC: Michal Simek <monstr@monstr.eu>
CC: Grant Likely <grant.likely@secretlab.ca>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: Stephen Rothwell <sfr@canb.auug.org.au>
CC: linux-kernel@vger.kernel.org
CC: microblaze-uclinux@itee.uq.edu.au
CC: linuxppc-dev@ozlabs.org
CC: devicetree-discuss@lists.ozlabs.org
Diffstat (limited to 'drivers/of/device.c')
| -rw-r--r-- | drivers/of/device.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/of/device.c b/drivers/of/device.c index c2a98f5ca80..5282a202f5a 100644 --- a/drivers/of/device.c +++ b/drivers/of/device.c @@ -20,7 +20,7 @@ const struct of_device_id *of_match_device(const struct of_device_id *matches, const struct device *dev) { - if (!dev->of_node) + if ((!matches) || (!dev->of_node)) return NULL; return of_match_node(matches, dev->of_node); } |