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| author | Oleksij Rempel <o.rempel@pengutronix.de> | 2020-08-20 09:34:46 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2020-08-24 08:48:36 +0200 |
| commit | a78113f9acca7ddb0a9058dc840fc6bba0c21d24 (patch) | |
| tree | 3ef6d6126d072ab4c99c5e95a754a574cc448e0c /drivers/of | |
| parent | e8e24151f2254832d0462528ca722d7c4d261a81 (diff) | |
| download | barebox-a78113f9acca7ddb0a9058dc840fc6bba0c21d24.tar.gz barebox-a78113f9acca7ddb0a9058dc840fc6bba0c21d24.tar.xz | |
of: of_device_get_match_compatible() helper
Some times we need to know, against which compatible did the driver
was registered. So, instead of coding it in the driver, add generic
helper for all drivers.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/of')
| -rw-r--r-- | drivers/of/device.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/of/device.c b/drivers/of/device.c index 67a67bd565..b3f522e1fa 100644 --- a/drivers/of/device.c +++ b/drivers/of/device.c @@ -31,3 +31,15 @@ const void *of_device_get_match_data(const struct device_d *dev) return match->data; } EXPORT_SYMBOL(of_device_get_match_data); + +const char *of_device_get_match_compatible(const struct device_d *dev) +{ + const struct of_device_id *match; + + match = of_match_device(dev->driver->of_compatible, dev); + if (!match) + return NULL; + + return match->compatible; +} +EXPORT_SYMBOL(of_device_get_match_compatible); |