From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomi Valkeinen Subject: Re: Odd behavior with dpll4_m4x2_ck on omap3 + DT Date: Wed, 28 Aug 2013 13:14:24 +0300 Message-ID: <521DCD80.1060600@ti.com> References: <521DC143.2010506@ti.com> <521DC770.5050000@ti.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="R34hQheH0lwFe8nrde5wUkHTFU6I6pDmx" Return-path: Received: from arroyo.ext.ti.com ([192.94.94.40]:52566 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754859Ab3H1KOb (ORCPT ); Wed, 28 Aug 2013 06:14:31 -0400 In-Reply-To: <521DC770.5050000@ti.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Tero Kristo Cc: linux-omap , Paul Walmsley , Mike Turquette , Stefan Roese --R34hQheH0lwFe8nrde5wUkHTFU6I6pDmx Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 28/08/13 12:48, Tero Kristo wrote: > On 08/28/2013 12:22 PM, Tomi Valkeinen wrote: >> Hi, >> >> I'm seeing odd clock behavior with Beagle, booting with DT. I'm using >> v3.11-rc7 + DSS DT patches. >=20 > I guess you are not using the clock DT patches? Just making sure I > didn't break anything. :) No, plain rc7 with my DSS DT patches. >> So, for some reason, the first clk_set_rate goes wrong. Any ideas? >=20 > Hmm, strange. I am not seeing similar behavior, but I am calling > clk_set_rate in different location.... also I am using clock DT patches= > (don't try the current version though, as I am reworking them.) >=20 > [ 0.000000] dpll4_ck: 432000000 > [ 0.000000] dpll4_m4_ck: 72000000 > [ 0.000000] dpll4_m4x2_ck: 144000000 > [ 0.000000] dss1_alwon_fck_3430es2: 144000000 > [ 0.000000] dpll4_ck: 432000000 > [ 0.000000] dpll4_m4_ck: 86400000 > [ 0.000000] dpll4_m4x2_ck: 172800000 > [ 0.000000] dss1_alwon_fck_3430es2: 172800000 >=20 > Do you see the error only when setting to some specific rate (86400000)= > or it doesn't matter? I also tried setting to 72000000, with the same result. Do you know if I can somehow easily get debug prints from the clock framework, that could lighten up the issue? Tomi --R34hQheH0lwFe8nrde5wUkHTFU6I6pDmx Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBAgAGBQJSHc2AAAoJEPo9qoy8lh71gTUP/0aOF9HpB8qyeYErTMQM1eYD V653CDJp0DPEtADYtEWzwiTLdns9KvYO6M6n8L10TZqMDpeURaWq6253a1AFblQ1 pqzo4w0crRaUAGTEkmYZo5SBs4qT7eL2cO7c9Y/UTg0puZ6nHR99bE/ZB6f9KGnC 0zA5mvWJjki4M/Axcf6Eox4riqWwEbru1V5VG7bDFlqArhoSOwgJppYkl45PYPFB zL3dJlwTMfEG9merMd2ynfjetOzrQja9TFH0Na13fiIW1Ih9FnXrfsFt3WbtAMa7 pJkw9PTLdV/Rw977vtQRCTDXhA3/HY77BnwmG9XfAz5hAPJ++v9HHW688YsKp4Bg Lr1PC3cugjXQ5Fqyds98f9XH9JeEjNa20EVH2c4mcLk0AsUn3MKLYK6V5sVSYgQb XXCpDt6q/hjj6MarL48cMz4GbyeMeWkSv4Duta/VINHuVEEY6Bka6Q7H6fjgUEMl l9D7TQ15WFH5SuX4i1OWFfZZHmxrPXhf+pVgZp3ZEiZltr2WWrvaEE8UU6TPZJ1o q/8Dy8e14K+zhHKnedqu6LxLZiixxHi6/66Fm+N/PX+qUQKETS9wl6mKQ4IwHtlw ssvDdN+zhG0Us3mg9hPZ3wBbSuHiRnBufy+8wgqlGTHGej9aTy1aagwkiFYt+VSU NmO8P0hkmIyRxWnRYqFh =+eGa -----END PGP SIGNATURE----- --R34hQheH0lwFe8nrde5wUkHTFU6I6pDmx--