Hi Inaky,

Please remember not to go over 50 characters on your git commit
description header and more than 72 characters on your git commit
description body.

> @@ -110,7 +110,9 @@ static gboolean parse_debug(const char *key, const char *value,
>  static GOptionEntry options[] = {
>  	{ "debug", 'd', G_OPTION_FLAG_OPTIONAL_ARG,
>  				G_OPTION_ARG_CALLBACK, parse_debug,
> -				"Specify debug options to enable", "DEBUG" },
> +			   "Specify debug options to enable (see the "
> +			   "man page for ofonod(8) for more information).",

I still think mentioning the man page is a bit redundant.

> +			   "DEBUG" },
>  	{ "nodetach", 'n', G_OPTION_FLAG_REVERSE,
>  				G_OPTION_ARG_NONE, &option_detach,
>  				"Don't run as daemon in background" },

Regards,
-Denis