| Message ID | 1476719053-17600-4-git-send-email-javier@osg.samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Mon, Oct 17, 2016 at 8:44 AM, Javier Martinez Canillas <javier@osg.samsung.com> wrote: > 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/media/rc/meson-ir.ko | grep alias > $ > > After this patch: > > $ modinfo drivers/media/rc/meson-ir.ko | grep alias > alias: of:N*T*Camlogic,meson-gxbb-irC* > alias: of:N*T*Camlogic,meson-gxbb-ir > alias: of:N*T*Camlogic,meson8b-irC* > alias: of:N*T*Camlogic,meson8b-ir > alias: of:N*T*Camlogic,meson6-irC* > alias: of:N*T*Camlogic,meson6-ir > > Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Acked-by: Kevin Hilman <khilman@baylibre.com> -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/media/rc/meson-ir.c b/drivers/media/rc/meson-ir.c index 003fff07ade2..7eb3f4f1ddcd 100644 --- a/drivers/media/rc/meson-ir.c +++ b/drivers/media/rc/meson-ir.c @@ -218,6 +218,7 @@ static const struct of_device_id meson_ir_match[] = { { .compatible = "amlogic,meson-gxbb-ir" }, { }, }; +MODULE_DEVICE_TABLE(of, meson_ir_match); static struct platform_driver meson_ir_driver = { .probe = meson_ir_probe,
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/media/rc/meson-ir.ko | grep alias $ After this patch: $ modinfo drivers/media/rc/meson-ir.ko | grep alias alias: of:N*T*Camlogic,meson-gxbb-irC* alias: of:N*T*Camlogic,meson-gxbb-ir alias: of:N*T*Camlogic,meson8b-irC* alias: of:N*T*Camlogic,meson8b-ir alias: of:N*T*Camlogic,meson6-irC* alias: of:N*T*Camlogic,meson6-ir Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> --- drivers/media/rc/meson-ir.c | 1 + 1 file changed, 1 insertion(+)