From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-pw0-f46.google.com ([209.85.160.46]:60736 "EHLO mail-pw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752536Ab2BWEmr (ORCPT ); Wed, 22 Feb 2012 23:42:47 -0500 Received: by pbcun15 with SMTP id un15so963733pbc.19 for ; Wed, 22 Feb 2012 20:42:46 -0800 (PST) Message-ID: <4F45C3C1.8030507@linaro.org> Date: Thu, 23 Feb 2012 10:12:41 +0530 From: Tushar Behera MIME-Version: 1.0 To: linux-media@vger.kernel.org, "linux-samsung-soc@vger.kernel.org" CC: Thomas Abraham , Tomasz Stanislawski Subject: S5P-TV: Warning for regulator unbalanced disables Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: Hi, After implementing genpd framework for EXYNOS4, (Ref commit 91cfbd4 "ARM: EXYNOS: Hook up power domains to generic power domain infrastructure" in Kukjin's for-next branch), we are getting following warning from s5p-hdmi driver. The test was done on Origen board with code based on 3.3-rc4 and Kukjin's for-next branch. [1] ------------[ cut here ]------------ WARNING: at drivers/regulator/core.c:1503 _regulator_disable+0xf8/0x164() unbalanced disables for VMIPI_1.1V Modules linked in: regulator_init_complete: VDD_G3D_1.1V: incomplete constraints, leaving on [] (unwind_backtrace+0x0/0xf8) from [] (warn_slowpath_common+0x54/0x64) [] (warn_slowpath_common+0x54/0x64) from [] (warn_slowpath_fmt+0x30/0x40) [] (warn_slowpath_fmt+0x30/0x40) from [] (_regulator_disable+0xf8/0x164) [] (_regulator_disable+0xf8/0x164) from [] (regulator_disable+0x1c/0x48) [] (regulator_disable+0x1c/0x48) from [] (regulator_bulk_disable+0x24/0x8c) regulator_init_complete: VADC_3.3V: incomplete constraints, leaving on [] (regulator_bulk_disable+0x24/0x8c) from [] (hdmi_runtime_suspend+0x28/0x30) [] (hdmi_runtime_suspend+0x28/0x30) from [] (pm_genpd_default_save_state+0x48/0x5c) [] (pm_genpd_default_save_state+0x48/0x5c) from [] (pm_genpd_poweroff+0x224/0x3f0) [] (pm_genpd_poweroff+0x224/0x3f0) from [] (genpd_power_off_work_fn+0x1c/0x28) [] (genpd_power_off_work_fn+0x1c/0x28) from [] (process_one_work+0x118/0x3b0) regulator_init_complete: VMIPI_1.8V: incomplete constraints, leaving on [] (process_one_work+0x118/0x3b0) from [] (worker_thread+0x18c/0x3a0) [] (worker_thread+0x18c/0x3a0) from [] (kthread+0x8c/0x90) [] (kthread+0x8c/0x90) from [] (kernel_thread_exit+0x0/0x8) ---[ end trace 9e20783f432f4c81 ]--- [1] git://git.linaro.org/people/tushar/linux-linaro-samsung.git (test/hdmi-pd) -- Tushar Behera