From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: Re: tegra-devfreq hangs TK1 with R21.4 u-boot Date: Thu, 16 Jun 2016 18:16:12 +0200 Message-ID: <20160616161611.GC19360@ulmo.ba.sec> References: <20160612034541.GA31426@jirafa.cyrius.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="H8ygTp4AXg6deix2" Return-path: In-Reply-To: <20160612034541.GA31426-IRMp5PtgtdoigzW5ZibpNwC/G2K4zDHf@public.gmane.org> Content-Disposition: inline Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Martin Michlmayr Cc: Tomeu Vizoso , linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Stephen Warren List-Id: linux-tegra@vger.kernel.org --H8ygTp4AXg6deix2 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Jun 11, 2016 at 08:45:41PM -0700, Martin Michlmayr wrote: > I noticed that the Jetson TK1 hangs during boot (when/before mounting > the SD disk) when CONFIG_ARM_TEGRA_DEVFREQ=3Dy is set and when u-boot > from R21.4 is used (2014.10-rc2). >=20 > The hang does not occur when I disable tegra-devfreq or when I use > tegra-devfreq in combination with u-boot 2016.03 (from DENX upstream, > built by Debian). >=20 > Steps to reproduce: >=20 > ARCH=3Darm make multi_v7_defconfig > Set CONFIG_ARM_TEGRA_DEVFREQ=3Dy > Boot from an external SD card and it will hang when/before mounting the > SD card. Stephen, any ideas what might be going on here? Thierry --H8ygTp4AXg6deix2 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCAAGBQJXYtDKAAoJEN0jrNd/PrOhesMP/i8W3/c4WZPcYk5QvPVeeyu9 JlZtRmVQvhfNGyk7rlsNjZalhDOySrpHJITPx4M4em/PE1PBO1XUdKd2Gn+fwU4C WtyNkjepEFzhNEoMUvjG4v655BZOHCKhOns1KTBomstQenljgsR25pS9wS+K3zkU vOseOqgxQt+ugVLDw2NaCIdY2NI9Q/Qm6ocvdh0kAv0YRnfjk6ALOpEMMwXhDPm1 2vXxcmfPUdcQZDFnsI6BZ1QQWYPQjT/3XZeEpKuhuIyEDI2lV+YadRRfeJwWCLcz Tfh+aGty5WWZ5FO6yKUImVXQTvUYRdeZ6I5B1Jufio6TG6AydW2876STZVQyEjDu wrPhS5hokCVu0z6BD95SknXe7//khHcg37fWU26mMw1RAqdEqcRiTo3hjIRvQKNT hP6nPBhRIo5w4UCu2uToEfcz/SiUk0U9mYmMo3bqEF2MLmFc/KA7C4l8gmdJxZiW e5GcMYe/jdF0xdYB3O/HxxvHun/cz9RxJroHZ5JSUYBPrYMAWzctjlE7darKq54G 1uXIKv2/fEQZaVDi+2sLVMXM7PxWE50Vim//hYr1BPICYfsSThJGlfbZeAbx/2L5 sjg8Jp8/OVvtn+V7TattAlOCyxOn1jeOhDeXrulkGlw4wzBhZ5AFqW4wrEB6ogZW B9XiJ0DqguK/EDrq6Jtq =Or/v -----END PGP SIGNATURE----- --H8ygTp4AXg6deix2--