If the driver is built as a module, autoload won't work because the module alias information is not filled. So user-space can't match the registered device with the corresponding module. Export the module alias information using the MODULE_DEVICE_TABLE() macro. Before this patch: $ modinfo drivers/bluetooth/btqcomsmd.ko | grep alias $ After this patch: $ modinfo drivers/bluetooth/btqcomsmd.ko | grep alias alias: of:N*T*Cqcom,wcnss-btC* alias: of:N*T*Cqcom,wcnss-bt Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx> --- drivers/bluetooth/btqcomsmd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/bluetooth/btqcomsmd.c b/drivers/bluetooth/btqcomsmd.c index 08c2c93887c1..8d4868af9bbd 100644 --- a/drivers/bluetooth/btqcomsmd.c +++ b/drivers/bluetooth/btqcomsmd.c @@ -165,6 +165,7 @@ static const struct of_device_id btqcomsmd_of_match[] = { { .compatible = "qcom,wcnss-bt", }, { }, }; +MODULE_DEVICE_TABLE(of, btqcomsmd_of_match); static struct platform_driver btqcomsmd_driver = { .probe = btqcomsmd_probe, -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html