| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <202404111148.YVXpdPke-lkp@intel.com>
Date: Thu, 11 Apr 2024 12:14:10 +0800
From: kernel test robot <lkp@...el.com>
To: Inochi Amaoto <inochiama@...look.com>, Vinod Koul <vkoul@...nel.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Chen Wang <unicorn_wang@...look.com>,
Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
Jisheng Zhang <jszhang@...nel.org>,
Liu Gui <kenneth.liu@...hgo.com>,
Jingbao Qiu <qiujingbao.dlmu@...il.com>, dlan@...too.org,
dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v7 3/3] dmaengine: add driver for Sophgo CV18XX/SG200X
dmamux
Hi Inochi,
kernel test robot noticed the following build warnings:
[auto build test WARNING on vkoul-dmaengine/next]
[also build test WARNING on robh/for-next krzk-dt/for-next linus/master v6.9-rc3 next-20240410]
[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/Inochi-Amaoto/dt-bindings-dmaengine-Add-dma-multiplexer-for-CV18XX-SG200X-series-SoC/20240410-092207
base: https://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine.git next
patch link: https://lore.kernel.org/r/IA1PR20MB495310B8E4D7A6705A112004BB062%40IA1PR20MB4953.namprd20.prod.outlook.com
patch subject: [PATCH v7 3/3] dmaengine: add driver for Sophgo CV18XX/SG200X dmamux
config: riscv-allyesconfig (https://download.01.org/0day-ci/archive/20240411/202404111148.YVXpdPke-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 8b3b4a92adee40483c27f26c478a384cd69c6f05)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240411/202404111148.YVXpdPke-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/202404111148.YVXpdPke-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from drivers/dma/cv1800-dmamux.c:8:
In file included from include/linux/of_dma.h:14:
In file included from include/linux/dmaengine.h:12:
In file included from include/linux/scatterlist.h:8:
In file included from include/linux/mm.h:2208:
include/linux/vmstat.h:508:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
508 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
509 | item];
| ~~~~
include/linux/vmstat.h:515:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
515 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
516 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
include/linux/vmstat.h:527:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
527 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
528 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
include/linux/vmstat.h:536:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
536 | return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~ ^
537 | NR_VM_NUMA_EVENT_ITEMS +
| ~~~~~~~~~~~~~~~~~~~~~~
>> drivers/dma/cv1800-dmamux.c:191:22: warning: unused variable 'dma_master' [-Wunused-variable]
191 | struct device_node *dma_master;
| ^~~~~~~~~~
6 warnings generated.
vim +/dma_master +191 drivers/dma/cv1800-dmamux.c
183
184 static int cv1800_dmamux_probe(struct platform_device *pdev)
185 {
186 struct device *dev = &pdev->dev;
187 struct device_node *mux_node = dev->of_node;
188 struct cv1800_dmamux_data *data;
189 struct cv1800_dmamux_map *tmp;
190 struct device *parent = dev->parent;
> 191 struct device_node *dma_master;
192 struct regmap *regmap = NULL;
193 unsigned int i;
194
195 if (!parent)
196 return -ENODEV;
197
198 regmap = device_node_to_regmap(parent->of_node);
199 if (IS_ERR(regmap))
200 return PTR_ERR(regmap);
201
202 data = devm_kmalloc(dev, sizeof(*data), GFP_KERNEL);
203 if (!data)
204 return -ENOMEM;
205
206 spin_lock_init(&data->lock);
207 init_llist_head(&data->free_maps);
208
209 for (i = 0; i <= MAX_DMA_CH_ID; i++) {
210 tmp = devm_kmalloc(dev, sizeof(*tmp), GFP_KERNEL);
211 if (!tmp) {
212 /* It is OK for not allocating all channel */
213 dev_warn(dev, "can not allocate channel %u\n", i);
214 continue;
215 }
216
217 init_llist_node(&tmp->node);
218 tmp->channel = i;
219 llist_add(&tmp->node, &data->free_maps);
220 }
221
222 /* if no channel is allocated, the probe must fail */
223 if (llist_empty(&data->free_maps))
224 return -ENOMEM;
225
226 data->regmap = regmap;
227 data->dmarouter.dev = dev;
228 data->dmarouter.route_free = cv1800_dmamux_free;
229
230 platform_set_drvdata(pdev, data);
231
232 return of_dma_router_register(mux_node,
233 cv1800_dmamux_route_allocate,
234 &data->dmarouter);
235 }
236
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
Powered by blists - more mailing lists