From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754800Ab2LSTjI (ORCPT ); Wed, 19 Dec 2012 14:39:08 -0500 Received: from [207.46.163.26] ([207.46.163.26]:3053 "EHLO co9outboundpool.messaging.microsoft.com" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1752892Ab2LSTjD (ORCPT ); Wed, 19 Dec 2012 14:39:03 -0500 X-Forefront-Antispam-Report: CIP:149.199.60.83;KIP:(null);UIP:(null);IPV:NLI;H:xsj-gw1;RD:error;EFVD:FOP X-SpamScore: 1 X-BigFish: VPS1(zzd6eahzz1de0h1202h1e76h1d1ah1d2ahzzz2fh95h668h839h93fhd24hf0ah119dh1288h12a5h12a9h12bdh137ah13b6h1441h14ddh1504h1537h153bh162dh1631h1758h906i1155h) Date: Wed, 19 Dec 2012 11:22:13 -0800 From: Soren Brinkmann To: Stephen Boyd CC: Mike Turquette , , , Josh Cartwright , Soren Brinkmann Subject: Re: [PATCH 4/4] clk: zynq: Use of_init_clk_data() References: <1355778135-32458-1-git-send-email-sboyd@codeaurora.org> <1355778135-32458-5-git-send-email-sboyd@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Disposition: inline In-Reply-To: <1355778135-32458-5-git-send-email-sboyd@codeaurora.org> User-Agent: Mutt/1.5.21 (2010-09-15) X-RCIS-Action: ALLOW Message-ID: X-OriginatorOrg: xilinx.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Stephen, I guess Josh is the better person to talk about this, since he created the patches regarding common clock for mainline, but I tried running your series and ran into this: Unable to handle kernel NULL pointer dereference at virtual address 0000002a pgd = c0004000 [0000002a] *pgd=00000000 Internal error: Oops: 5 [#1] PREEMPT ARM Modules linked in: CPU: 0 Tainted: G W (3.7.0-rc3-00025-gc11ffdd-dirty #246) PC is at __clk_prepare+0x20/0x80 LR is at clk_prepare+0x2c/0x44 pc : [] lr : [] psr: a0000153 sp : ee02fdd0 ip : ee02fde8 fp : ee02fde4 r10: 00000000 r9 : 00000000 r8 : c0587884 r7 : 00000000 r6 : c05aab98 r5 : fffffffe r4 : fffffffe r3 : 00000000 r2 : 00000000 r1 : 00000000 r0 : fffffffe Flags: NzCv IRQs on FIQs off Mode SVC_32 ISA ARM Segment kernel Control: 18c5387d Table: 00004059 DAC: 00000015 Process swapper (pid: 1, stack limit = 0xee02e230) Stack: (0xee02fdd0 to 0xee030000) fdc0: c05b6a18 fffffffe ee02fdfc ee02fde8 fde0: c0316628 c0316588 ee085400 fffffffe ee02fe24 ee02fe00 c03c1358 c0316608 fe00: c03c1328 ee085410 c05aab98 c05aab98 00000000 c0587884 ee02fe34 ee02fe28 fe20: c026a5c0 c03c1334 ee02fe5c ee02fe38 c0268f50 c026a5a8 c026a7b8 c0313ac0 fe40: ee085410 ee085410 ee085444 c05aab98 ee02fe7c ee02fe60 c02691c0 c0268e18 fe60: c0269150 c05aab98 c0269150 00000000 ee02fea4 ee02fe80 c0267320 c026915c fe80: ee00948c ee096df0 c021e02c c05aab98 ed9a0bc0 c05ab3a8 ee02feb4 ee02fea8 fea0: c0268a28 c02672d0 ee02fee4 ee02feb8 c0268408 c0268a0c c04b56d1 00000000 fec0: ee02fee4 c05aab98 c0565e60 00000000 0000006f c0587884 ee02ff14 ee02fee8 fee0: c0269990 c0268340 00000000 00000000 c0565e60 00000000 0000006f c0587884 ff00: 00000000 00000000 ee02ff24 ee02ff18 c026a9cc c02698f0 ee02ff3c ee02ff28 ff20: c0565e84 c026a984 ee02e000 ee02ff40 ee02ff74 ee02ff40 c00086f8 c0565e6c ff40: c04f72e4 00000000 ee02ff74 00000006 00000006 c0571dac c0571d8c 0000006f ff60: c0587884 00000000 ee02ffac ee02ff78 c03bf9c4 c0008664 00000006 00000006 ff80: c05511a8 00000000 ee02ffac 00000000 c03bf8cc 00000000 00000000 00000000 ffa0: 00000000 ee02ffb0 c000ea98 c03bf8d8 00000000 00000000 00000000 00000000 ffc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 ffe0: 00000000 00000000 00000000 00000000 00000013 00000000 0158ec21 0eced1ff [] (__clk_prepare+0x20/0x80) from [] (clk_prepare+0x2c/0x44) [] (clk_prepare+0x2c/0x44) from [] (xuartps_probe+0x30/0x1ac ) [] (xuartps_probe+0x30/0x1ac) from [] (platform_drv_probe+0x 24/0x28) [] (platform_drv_probe+0x24/0x28) from [] (driver_probe_devi ce+0x144/0x344) [] (driver_probe_device+0x144/0x344) from [] (__driver_attac h+0x70/0x94) [] (__driver_attach+0x70/0x94) from [] (bus_for_each_dev+0x5 c/0x8c) [] (bus_for_each_dev+0x5c/0x8c) from [] (driver_attach+0x28/ 0x30) [] (driver_attach+0x28/0x30) from [] (bus_add_driver+0xd4/0x 254) [] (bus_add_driver+0xd4/0x254) from [] (driver_register+0xac /0x14c) [] (driver_register+0xac/0x14c) from [] (platform_driver_reg ister+0x54/0x68) [] (platform_driver_register+0x54/0x68) from [] (xuartps_ini t+0x24/0x44) [] (xuartps_init+0x24/0x44) from [] (do_one_initcall+0xa0/0x 170) [] (do_one_initcall+0xa0/0x170) from [] (kernel_init+0xf8/0x 2ac) [] (kernel_init+0xf8/0x2ac) from [] (ret_from_fork+0x14/0x20 ) Code: e8bd4000 e2504000 01a05004 0a000015 (e594302c) ---[ end trace 1b75b31a2719ed1d ]--- Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b A probably unique thing I do is, I set the status of uart0 to disabled. This way I can reuse my rootfs which does not run getty on ttyPS1. And this worked fine before. Soren