The I2C core always reports a MODALIAS of the form i2c:<foo> even if the device was registered via OF, this means that exporting the OF device ID table device aliases in the module is not needed. But in order to change how the core reports modaliases to user-space, it's better to export it.
Before this patch: $ modinfo sound/soc/codecs/snd-soc-tfa9879.ko | grep alias alias: i2c:tfa9879 After this patch: $ modinfo sound/soc/codecs/snd-soc-tfa9879.ko | grep alias alias: i2c:tfa9879 alias: of:N*T*Cnxp,tfa9879C* alias: of:N*T*Cnxp,tfa9879 Signed-off-by: Javier Martinez Canillas <javi...@redhat.com> --- sound/soc/codecs/tfa9879.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/soc/codecs/tfa9879.c b/sound/soc/codecs/tfa9879.c index f8dd67ca0744..e7ca764b5729 100644 --- a/sound/soc/codecs/tfa9879.c +++ b/sound/soc/codecs/tfa9879.c @@ -316,6 +316,7 @@ static const struct of_device_id tfa9879_of_match[] = { { .compatible = "nxp,tfa9879", }, { } }; +MODULE_DEVICE_TABLE(of, tfa9879_of_match); static struct i2c_driver tfa9879_i2c_driver = { .driver = { -- 2.14.3