From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from pokefinder.org (sauhun.de [88.99.104.3]) by lists.ozlabs.org (Postfix) with ESMTP id 3zSJ4R6fK1zDqwx for ; Fri, 26 Jan 2018 10:23:19 +1100 (AEDT) Date: Fri, 26 Jan 2018 00:14:43 +0100 From: Wolfram Sang To: Frank Rowand Cc: Wolfram Sang , Steven Rostedt , devicetree@vger.kernel.org, Tyrel Datwyler , Geert Uytterhoeven , linux-renesas-soc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Rob Herring , linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH v2 0/1] of: easier debugging for node life cycle issues Message-ID: <20180125231443.44yy65ztr6exaam7@ninjato> References: <20180121143117.19805-1-wsa+renesas@sang-engineering.com> <00fc90ee-de26-f819-9c81-27d06918564d@gmail.com> <20180125060330.781667e9@vmware.local.home> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="n4w6rxijzavoppz7" In-Reply-To: List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , --n4w6rxijzavoppz7 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline > This means that ftrace can not be used for the of_node_get(), > of_node_put(), and of_node_release() debug info, because > these functions are called before early_initcall(). For the record: You can still unbind/bind devices. This is how I debugged an issue. --n4w6rxijzavoppz7 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAlpqZOMACgkQFA3kzBSg KbaAZQ/+OJuePdP2xy5w1SKxHCqgxaovSERYGNlXVBRkH7gRB336v4p/YprZM6qR +0LXfF8awfZXFd574ZlAaT+rCR0LtsP5IG0URrONoGb5Shu50ywM0Y0+dgcqUruh 2h4vdPGGLooI+Seu28spakiT+yK/K0uPhuGffouZEriyCIZB+EUO4NGpsKmHFUnP n2fSJGDvUk6gY630NZROwkaTPJrj0+7Q2gZTfIBVDa2pHYLqST5sOjhXAcTPHAjM rt5eTs4QOWfN8njoDPzUreLVWP/ZYxtA1S83p0YZ4UDcAEuo5/XKPyhHcegriBYB aNCdg26Axf1JDbfrpYC1oYLjhvFGxoyiNZyr2JhhlpIQPbwHRXu3glC8fnMZxH2H tx3UMg9Zr8QlgQ1M9OHGQP/7luK/wxSpc7TBJdLIzospaceJxXKKj4C64i7zjT66 PpyWCxYPvSp8Q8SW5NJ62WklVuPY04cM2Wpu6Eq2dv2v7Ci0JaHuLm53bIfK0Ipj z3I7fKHGX+L1oqTnCnGm3p2jNnpyiJu97EvSPyqh283qjkDvFq3WDOHelf6XKQos PRhVFcqQNbieT4ukd3CQFBskuavznXEYHaSfHZjr1CEver7s78ocXXzbmTgE4QfL kS9LwcvZwgrCHeZX6B97lyas1btGTvyHcEQPPPtfKOJPtuWh/8Y= =awQJ -----END PGP SIGNATURE----- --n4w6rxijzavoppz7--