From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp.codeaurora.org ([198.145.29.96]:56884 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751998AbcH3WAP (ORCPT ); Tue, 30 Aug 2016 18:00:15 -0400 Date: Tue, 30 Aug 2016 15:00:11 -0700 From: Stephen Boyd To: Fabio Estevam Cc: shawnguo@kernel.org, festevam@gmail.com, stefan@agner.ch, linux-clk@vger.kernel.org Subject: Re: [PATCH v2] clk: imx7d: Add PLL_AUDIO_TEST_DIV/POST_DIV clocks Message-ID: <20160830220011.GF12510@codeaurora.org> References: <1472578441-11296-1-git-send-email-fabio.estevam@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1472578441-11296-1-git-send-email-fabio.estevam@nxp.com> Sender: linux-clk-owner@vger.kernel.org List-ID: On 08/30, Fabio Estevam wrote: > Currently we see the following error when using the SAI audio > driver on mx7: > > Division by zero in kernel. > CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.0-rc3-next-20160823 > Hardware name: Freescale i.MX7 Dual (Device Tree) > Backtrace: > [] (dump_backtrace) from [] (show_stack+0x18) > r6:60000013 r5:ffffffff r4:00000000 r3:00000000 > [] (show_stack) from [] (dump_stack+0xb0/0xe) > [] (dump_stack) from [] (__div0+0x18/0x20) > r8:00000000 r7:ffffffff r6:ffffffff r5:00000000 r4:00000000 r3:0 > [] (__div0) from [] (Ldiv0_64+0x8/0x18) > [] (divider_get_val) from [] (clk_divider_se) > > This error happens due to the lack of definition of the > IMX7D_PLL_AUDIO_TEST_DIV/IMX7D_PLL_AUDIO_POST_DIV clocks. > > Add support for them. > > Tested on a imx7s-warp board. > > Signed-off-by: Fabio Estevam > --- Applied to clk-next -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project