From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D006DC10F00 for ; Sat, 7 Mar 2020 15:21:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AEE2D206D7 for ; Sat, 7 Mar 2020 15:21:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726312AbgCGPVC (ORCPT ); Sat, 7 Mar 2020 10:21:02 -0500 Received: from mga11.intel.com ([192.55.52.93]:12682 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726074AbgCGPVC (ORCPT ); Sat, 7 Mar 2020 10:21:02 -0500 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Mar 2020 07:21:01 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,526,1574150400"; d="scan'208";a="235151962" Received: from lkp-server01.sh.intel.com (HELO lkp-server01) ([10.239.97.150]) by fmsmga008.fm.intel.com with ESMTP; 07 Mar 2020 07:21:00 -0800 Received: from kbuild by lkp-server01 with local (Exim 4.89) (envelope-from ) id 1jAbG7-0006az-SF; Sat, 07 Mar 2020 23:20:59 +0800 Date: Sat, 7 Mar 2020 23:20:11 +0800 From: kbuild test robot To: Rasmus Villemoes Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Li Yang , Timur Tabi Subject: drivers/soc/fsl/qe/ucc.c:637:20: sparse: sparse: incorrect type in assignment (different address spaces) Message-ID: <202003072307.Es4yunVB%lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Rasmus, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 63849c8f410717eb2e6662f3953ff674727303e7 commit: 5a35435ef4e6e4bd2aabd6706b146b298a9cffe5 soc: fsl: qe: remove PPC32 dependency from CONFIG_QUICC_ENGINE date: 3 months ago reproduce: # apt-get install sparse # sparse version: v0.6.1-174-g094d5a94-dirty git checkout 5a35435ef4e6e4bd2aabd6706b146b298a9cffe5 make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot sparse warnings: (new ones prefixed by >>) >> drivers/soc/fsl/qe/ucc.c:637:20: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct qe_mux *qe_mux_reg @@ got struct qe_mux [nodstruct qe_mux *qe_mux_reg @@ drivers/soc/fsl/qe/ucc.c:637:20: sparse: expected struct qe_mux *qe_mux_reg drivers/soc/fsl/qe/ucc.c:637:20: sparse: got struct qe_mux [noderef] * >> drivers/soc/fsl/qe/ucc.c:652:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] * @@ got [noderef] * @@ drivers/soc/fsl/qe/ucc.c:652:9: sparse: expected void [noderef] * drivers/soc/fsl/qe/ucc.c:652:9: sparse: got restricted __be32 * drivers/soc/fsl/qe/ucc.c:652:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void [noderef] * @@ got [noderef] * @@ drivers/soc/fsl/qe/ucc.c:652:9: sparse: expected void [noderef] * drivers/soc/fsl/qe/ucc.c:652:9: sparse: got restricted __be32 * vim +637 drivers/soc/fsl/qe/ucc.c bb8b2062aff321 Zhao Qiang 2016-06-06 629 bb8b2062aff321 Zhao Qiang 2016-06-06 630 int ucc_set_tdm_rxtx_sync(u32 tdm_num, enum qe_clock clock, bb8b2062aff321 Zhao Qiang 2016-06-06 631 enum comm_dir mode) bb8b2062aff321 Zhao Qiang 2016-06-06 632 { bb8b2062aff321 Zhao Qiang 2016-06-06 633 int source; bb8b2062aff321 Zhao Qiang 2016-06-06 634 u32 shift; bb8b2062aff321 Zhao Qiang 2016-06-06 635 struct qe_mux *qe_mux_reg; bb8b2062aff321 Zhao Qiang 2016-06-06 636 bb8b2062aff321 Zhao Qiang 2016-06-06 @637 qe_mux_reg = &qe_immr->qmx; bb8b2062aff321 Zhao Qiang 2016-06-06 638 bb8b2062aff321 Zhao Qiang 2016-06-06 639 if (tdm_num >= UCC_TDM_NUM) bb8b2062aff321 Zhao Qiang 2016-06-06 640 return -EINVAL; bb8b2062aff321 Zhao Qiang 2016-06-06 641 bb8b2062aff321 Zhao Qiang 2016-06-06 642 /* The communications direction must be RX or TX */ bb8b2062aff321 Zhao Qiang 2016-06-06 643 if (mode != COMM_DIR_RX && mode != COMM_DIR_TX) bb8b2062aff321 Zhao Qiang 2016-06-06 644 return -EINVAL; bb8b2062aff321 Zhao Qiang 2016-06-06 645 bb8b2062aff321 Zhao Qiang 2016-06-06 646 source = ucc_get_tdm_sync_source(tdm_num, clock, mode); bb8b2062aff321 Zhao Qiang 2016-06-06 647 if (source < 0) bb8b2062aff321 Zhao Qiang 2016-06-06 648 return -EINVAL; bb8b2062aff321 Zhao Qiang 2016-06-06 649 bb8b2062aff321 Zhao Qiang 2016-06-06 650 shift = ucc_get_tdm_sync_shift(mode, tdm_num); bb8b2062aff321 Zhao Qiang 2016-06-06 651 d9d95bcad38d18 Rasmus Villemoes 2019-11-28 @652 qe_clrsetbits_be32(&qe_mux_reg->cmxsi1syr, :::::: The code at line 637 was first introduced by commit :::::: bb8b2062aff321af1fc58781cc07fbbea01cceb3 fsl/qe: setup clock source for TDM mode :::::: TO: Zhao Qiang :::::: CC: David S. Miller --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org