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Message-ID: <202401161905.KuRUhKW4-lkp@intel.com>
Date: Tue, 16 Jan 2024 19:34:07 +0800
From: kernel test robot <lkp@...el.com>
To: Mao Jinlong <quic_jinlmao@...cinc.com>,
Suzuki K Poulose <suzuki.poulose@....com>,
Mike Leach <mike.leach@...aro.org>,
James Clark <james.clark@....com>, Leo Yan <leo.yan@...aro.org>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Alexandre Torgue <alexandre.torgue@...s.st.com>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konrad.dybcio@...aro.org>,
Mathieu Poirier <mathieu.poirier@...aro.org>
Cc: oe-kbuild-all@...ts.linux.dev, Mao Jinlong <quic_jinlmao@...cinc.com>,
coresight@...ts.linaro.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
linux-stm32@...md-mailman.stormreply.com,
linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v2 1/2] coresight: core: Add device name support
Hi Mao,
kernel test robot noticed the following build errors:
[auto build test ERROR on robh/for-next]
[also build test ERROR on linus/master v6.7 next-20240112]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Mao-Jinlong/coresight-core-Add-device-name-support/20240116-004557
base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link: https://lore.kernel.org/r/20240115164252.26510-2-quic_jinlmao%40quicinc.com
patch subject: [PATCH v2 1/2] coresight: core: Add device name support
config: arm-randconfig-r081-20240116 (https://download.01.org/0day-ci/archive/20240116/202401161905.KuRUhKW4-lkp@intel.com/config)
compiler: clang version 18.0.0git (https://github.com/llvm/llvm-project 9bde5becb44ea071f5e1fa1f5d4071dc8788b18c)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240116/202401161905.KuRUhKW4-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202401161905.KuRUhKW4-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/hwtracing/coresight/coresight-core.c:1775:7: error: assigning to 'char *' from 'const char *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
1775 | name = coresight_get_device_name(dev);
| ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
vim +1775 drivers/hwtracing/coresight/coresight-core.c
1758
1759 /*
1760 * coresight_alloc_device_name - Get an index for a given device in the
1761 * device index list specific to a driver. An index is allocated for a
1762 * device and is tracked with the fwnode_handle to prevent allocating
1763 * duplicate indices for the same device (e.g, if we defer probing of
1764 * a device due to dependencies), in case the index is requested again.
1765 */
1766 char *coresight_alloc_device_name(struct coresight_dev_list *dict,
1767 struct device *dev)
1768 {
1769 int idx;
1770 char *name = NULL;
1771 struct fwnode_handle **list;
1772
1773 mutex_lock(&coresight_mutex);
1774
> 1775 name = coresight_get_device_name(dev);
1776 if (!name) {
1777 idx = coresight_search_device_idx(dict, dev_fwnode(dev));
1778 if (idx < 0) {
1779 /* Make space for the new entry */
1780 idx = dict->nr_idx;
1781 list = krealloc_array(dict->fwnode_list,
1782 idx + 1, sizeof(*dict->fwnode_list),
1783 GFP_KERNEL);
1784 if (ZERO_OR_NULL_PTR(list)) {
1785 idx = -ENOMEM;
1786 goto done;
1787 }
1788
1789 list[idx] = dev_fwnode(dev);
1790 dict->fwnode_list = list;
1791 dict->nr_idx = idx + 1;
1792 }
1793
1794 name = devm_kasprintf(dev, GFP_KERNEL, "%s%d", dict->pfx, idx);
1795 }
1796 done:
1797 mutex_unlock(&coresight_mutex);
1798 return name;
1799 }
1800 EXPORT_SYMBOL_GPL(coresight_alloc_device_name);
1801
--
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