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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AF5EAC433EF for ; Sun, 13 Mar 2022 19:11:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234615AbiCMTMP (ORCPT ); Sun, 13 Mar 2022 15:12:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60234 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229518AbiCMTMN (ORCPT ); Sun, 13 Mar 2022 15:12:13 -0400 Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3375A7B55E for ; Sun, 13 Mar 2022 12:11:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1647198665; x=1678734665; h=date:from:to:cc:subject:message-id:mime-version; bh=p4A5oIlXsn7mBn+kzbtPoAU5txNK8Gb8ItXvz9bJlkE=; b=T0mTrNN1m7k0qW9DF+Ema8B5vNXpuJxf6AMn0QZTk73Uzb/neH5VZRQ9 3fVFew4/VLp0zBwKWfLHEQr3C9ZuzPNQ5a2FDseRDFwqvo5f6NKuayuk3 /V5rnD5I6u+AO2n21Kc0W5MkoilP0ZquM2PIVLwyiNPF8AI85obPaN2aS VtfVlbl4RiO3bEkUbX/pVo5mHxqKFkmS629kX+yGZK4kWoht4vgptE35r 3NaIjkCyR4upg/FoTJdVj3G9rvi88AbGjZJcrmfXokiiSWXGoxPyCScrq NU+y/AUIEpWHfA+vJrChOBLrkMjpgno/MlaykurlBDqU6wwPM5jeDnpRs w==; X-IronPort-AV: E=McAfee;i="6200,9189,10285"; a="256078847" X-IronPort-AV: E=Sophos;i="5.90,179,1643702400"; d="scan'208";a="256078847" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Mar 2022 12:11:04 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,179,1643702400"; d="scan'208";a="515163505" Received: from lkp-server02.sh.intel.com (HELO 89b41b6ae01c) ([10.239.97.151]) by orsmga006.jf.intel.com with ESMTP; 13 Mar 2022 12:11:03 -0700 Received: from kbuild by 89b41b6ae01c with local (Exim 4.92) (envelope-from ) id 1nTTcM-0009Dx-Qa; Sun, 13 Mar 2022 19:11:02 +0000 Date: Mon, 14 Mar 2022 03:10:01 +0800 From: kernel test robot To: Suman Anna Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Bjorn Andersson Subject: [remoteproc:rproc-next 10/16] drivers/remoteproc/ti_k3_r5_remoteproc.c:711:17: sparse: sparse: cast removes address space '__iomem' of expression Message-ID: <202203140310.csCSVbeC-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) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux.git rproc-next head: 59983c74fc42eb2448df693113bf725abbda05f9 commit: 1168af40b1ad8cb2e78f4a70869fa4a076320e4f [10/16] remoteproc: k3-r5: Add support for IPC-only mode for all R5Fs config: arm64-randconfig-s032-20220313 (https://download.01.org/0day-ci/archive/20220314/202203140310.csCSVbeC-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux.git/commit/?id=1168af40b1ad8cb2e78f4a70869fa4a076320e4f git remote add remoteproc git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux.git git fetch --no-tags remoteproc rproc-next git checkout 1168af40b1ad8cb2e78f4a70869fa4a076320e4f # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/remoteproc/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) drivers/remoteproc/ti_k3_r5_remoteproc.c:476:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void * @@ got void [noderef] __iomem *cpu_addr @@ drivers/remoteproc/ti_k3_r5_remoteproc.c:476:9: sparse: expected void * drivers/remoteproc/ti_k3_r5_remoteproc.c:476:9: sparse: got void [noderef] __iomem *cpu_addr drivers/remoteproc/ti_k3_r5_remoteproc.c:479:9: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void * @@ got void [noderef] __iomem *cpu_addr @@ drivers/remoteproc/ti_k3_r5_remoteproc.c:479:9: sparse: expected void * drivers/remoteproc/ti_k3_r5_remoteproc.c:479:9: sparse: got void [noderef] __iomem *cpu_addr >> drivers/remoteproc/ti_k3_r5_remoteproc.c:711:17: sparse: sparse: cast removes address space '__iomem' of expression vim +/__iomem +711 drivers/remoteproc/ti_k3_r5_remoteproc.c 681 682 /* 683 * This function implements the .get_loaded_rsc_table() callback and is used 684 * to provide the resource table for the booted R5F in IPC-only mode. The K3 R5F 685 * firmwares follow a design-by-contract approach and are expected to have the 686 * resource table at the base of the DDR region reserved for firmware usage. 687 * This provides flexibility for the remote processor to be booted by different 688 * bootloaders that may or may not have the ability to publish the resource table 689 * address and size through a DT property. This callback is invoked only in 690 * IPC-only mode. 691 */ 692 static struct resource_table *k3_r5_get_loaded_rsc_table(struct rproc *rproc, 693 size_t *rsc_table_sz) 694 { 695 struct k3_r5_rproc *kproc = rproc->priv; 696 struct device *dev = kproc->dev; 697 698 if (!kproc->rmem[0].cpu_addr) { 699 dev_err(dev, "memory-region #1 does not exist, loaded rsc table can't be found"); 700 return ERR_PTR(-ENOMEM); 701 } 702 703 /* 704 * NOTE: The resource table size is currently hard-coded to a maximum 705 * of 256 bytes. The most common resource table usage for K3 firmwares 706 * is to only have the vdev resource entry and an optional trace entry. 707 * The exact size could be computed based on resource table address, but 708 * the hard-coded value suffices to support the IPC-only mode. 709 */ 710 *rsc_table_sz = 256; > 711 return (struct resource_table *)kproc->rmem[0].cpu_addr; 712 } 713 --- 0-DAY CI Kernel Test Service https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org