Hi Frank, kernel test robot noticed the following build errors: [auto build test ERROR on 2d5c7b7eb345249cb34d42cbc2b97b4c57ea944e] url: https://github.com/intel-lab-lkp/linux/commits/Frank-Li/dmaengine-fsl-edma-remove-slave_id-from-fsl_edma_chan/20240228-012842 base: 2d5c7b7eb345249cb34d42cbc2b97b4c57ea944e patch link: https://lore.kernel.org/r/20240227-8ulp_edma-v1-1-7fcfe1e265c2%40nxp.com patch subject: [PATCH 1/5] dmaengine: fsl-edma: remove 'slave_id' from fsl_edma_chan config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20240229/202402292240.149bq00a-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project edd4aee4dd9b5b98b2576a6f783e4086173d902a) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240229/202402292240.149bq00a-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202402292240.149bq00a-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from drivers/dma/mcf-edma-main.c:6: In file included from include/linux/module.h:19: In file included from include/linux/elf.h:6: In file included from arch/s390/include/asm/elf.h:173: In file included from arch/s390/include/asm/mmu_context.h:11: In file included from arch/s390/include/asm/pgalloc.h:18: In file included from include/linux/mm.h:2193: 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 + | ~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/dma/mcf-edma-main.c:8: In file included from include/linux/dmaengine.h:12: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:78: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 547 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) | ^ include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16' 102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) | ^ In file included from drivers/dma/mcf-edma-main.c:8: In file included from include/linux/dmaengine.h:12: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:78: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ^ include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32' 115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) | ^ In file included from drivers/dma/mcf-edma-main.c:8: In file included from include/linux/dmaengine.h:12: In file included from include/linux/scatterlist.h:9: In file included from arch/s390/include/asm/io.h:78: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 584 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 692 | readsb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 700 | readsw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 708 | readsl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 717 | writesb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 726 | writesw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 735 | writesl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ >> drivers/dma/mcf-edma-main.c:198:13: error: no member named 'slave_id' in 'struct fsl_edma_chan' 198 | mcf_chan->slave_id = i; | ~~~~~~~~ ^ drivers/dma/mcf-edma-main.c:280:21: error: no member named 'slave_id' in 'struct fsl_edma_chan' 280 | return (mcf_chan->slave_id == (uintptr_t)param); | ~~~~~~~~ ^ 17 warnings and 2 errors generated. vim +198 drivers/dma/mcf-edma-main.c af802728e4ab07 drivers/dma/mcf-edma.c Robin Gong 2019-06-25 152 e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 153 static int mcf_edma_probe(struct platform_device *pdev) e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 154 { e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 155 struct mcf_edma_platform_data *pdata; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 156 struct fsl_edma_engine *mcf_edma; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 157 struct edma_regs *regs; 923b138388928a drivers/dma/mcf-edma.c Christophe JAILLET 2023-05-06 158 int ret, i, chans; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 159 e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 160 pdata = dev_get_platdata(&pdev->dev); e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 161 if (!pdata) { e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 162 dev_err(&pdev->dev, "no platform data supplied\n"); e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 163 return -EINVAL; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 164 } e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 165 0a46781c89dece drivers/dma/mcf-edma.c Christophe JAILLET 2023-07-12 166 if (!pdata->dma_channels) { 0a46781c89dece drivers/dma/mcf-edma.c Christophe JAILLET 2023-07-12 167 dev_info(&pdev->dev, "setting default channel number to 64"); 0a46781c89dece drivers/dma/mcf-edma.c Christophe JAILLET 2023-07-12 168 chans = 64; 0a46781c89dece drivers/dma/mcf-edma.c Christophe JAILLET 2023-07-12 169 } else { e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 170 chans = pdata->dma_channels; 0a46781c89dece drivers/dma/mcf-edma.c Christophe JAILLET 2023-07-12 171 } 0a46781c89dece drivers/dma/mcf-edma.c Christophe JAILLET 2023-07-12 172 923b138388928a drivers/dma/mcf-edma.c Christophe JAILLET 2023-05-06 173 mcf_edma = devm_kzalloc(&pdev->dev, struct_size(mcf_edma, chans, chans), 923b138388928a drivers/dma/mcf-edma.c Christophe JAILLET 2023-05-06 174 GFP_KERNEL); e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 175 if (!mcf_edma) e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 176 return -ENOMEM; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 177 e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 178 mcf_edma->n_chans = chans; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 179 af802728e4ab07 drivers/dma/mcf-edma.c Robin Gong 2019-06-25 180 /* Set up drvdata for ColdFire edma */ af802728e4ab07 drivers/dma/mcf-edma.c Robin Gong 2019-06-25 181 mcf_edma->drvdata = &mcf_data; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 182 mcf_edma->big_endian = 1; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 183 e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 184 mutex_init(&mcf_edma->fsl_edma_mutex); e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 185 4b23603a251d24 drivers/dma/mcf-edma.c Tudor Ambarus 2022-11-10 186 mcf_edma->membase = devm_platform_ioremap_resource(pdev, 0); e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 187 if (IS_ERR(mcf_edma->membase)) e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 188 return PTR_ERR(mcf_edma->membase); e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 189 e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 190 fsl_edma_setup_regs(mcf_edma); e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 191 regs = &mcf_edma->regs; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 192 e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 193 INIT_LIST_HEAD(&mcf_edma->dma_dev.channels); e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 194 for (i = 0; i < mcf_edma->n_chans; i++) { e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 195 struct fsl_edma_chan *mcf_chan = &mcf_edma->chans[i]; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 196 e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 197 mcf_chan->edma = mcf_edma; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 @198 mcf_chan->slave_id = i; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 199 mcf_chan->idle = true; 0fa89f972da607 drivers/dma/mcf-edma.c Laurentiu Tudor 2019-01-18 200 mcf_chan->dma_dir = DMA_NONE; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 201 mcf_chan->vchan.desc_free = fsl_edma_free_desc; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 202 vchan_init(&mcf_chan->vchan, &mcf_edma->dma_dev); 7536f8b371adcc drivers/dma/mcf-edma-main.c Frank Li 2023-08-21 203 mcf_chan->tcd = mcf_edma->membase + EDMA_TCD 7536f8b371adcc drivers/dma/mcf-edma-main.c Frank Li 2023-08-21 204 + i * sizeof(struct fsl_edma_hw_tcd); b51dd7c8aac292 drivers/dma/mcf-edma-main.c Frank Li 2023-12-21 205 edma_write_tcdreg(mcf_chan, cpu_to_le32(0), csr); e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 206 } e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 207 e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 208 iowrite32(~0, regs->inth); e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 209 iowrite32(~0, regs->intl); e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 210 af802728e4ab07 drivers/dma/mcf-edma.c Robin Gong 2019-06-25 211 ret = mcf_edma->drvdata->setup_irq(pdev, mcf_edma); e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 212 if (ret) e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 213 return ret; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 214 e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 215 dma_cap_set(DMA_PRIVATE, mcf_edma->dma_dev.cap_mask); e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 216 dma_cap_set(DMA_SLAVE, mcf_edma->dma_dev.cap_mask); e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 217 dma_cap_set(DMA_CYCLIC, mcf_edma->dma_dev.cap_mask); e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 218 e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 219 mcf_edma->dma_dev.dev = &pdev->dev; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 220 mcf_edma->dma_dev.device_alloc_chan_resources = e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 221 fsl_edma_alloc_chan_resources; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 222 mcf_edma->dma_dev.device_free_chan_resources = e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 223 fsl_edma_free_chan_resources; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 224 mcf_edma->dma_dev.device_config = fsl_edma_slave_config; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 225 mcf_edma->dma_dev.device_prep_dma_cyclic = e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 226 fsl_edma_prep_dma_cyclic; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 227 mcf_edma->dma_dev.device_prep_slave_sg = fsl_edma_prep_slave_sg; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 228 mcf_edma->dma_dev.device_tx_status = fsl_edma_tx_status; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 229 mcf_edma->dma_dev.device_pause = fsl_edma_pause; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 230 mcf_edma->dma_dev.device_resume = fsl_edma_resume; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 231 mcf_edma->dma_dev.device_terminate_all = fsl_edma_terminate_all; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 232 mcf_edma->dma_dev.device_issue_pending = fsl_edma_issue_pending; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 233 e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 234 mcf_edma->dma_dev.src_addr_widths = FSL_EDMA_BUSWIDTHS; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 235 mcf_edma->dma_dev.dst_addr_widths = FSL_EDMA_BUSWIDTHS; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 236 mcf_edma->dma_dev.directions = e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 237 BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV); e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 238 e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 239 mcf_edma->dma_dev.filter.fn = mcf_edma_filter_fn; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 240 mcf_edma->dma_dev.filter.map = pdata->slave_map; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 241 mcf_edma->dma_dev.filter.mapcnt = pdata->slavecnt; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 242 e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 243 platform_set_drvdata(pdev, mcf_edma); e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 244 e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 245 ret = dma_async_device_register(&mcf_edma->dma_dev); e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 246 if (ret) { e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 247 dev_err(&pdev->dev, e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 248 "Can't register Freescale eDMA engine. (%d)\n", ret); e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 249 return ret; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 250 } e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 251 e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 252 /* Enable round robin arbitration */ e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 253 iowrite32(EDMA_CR_ERGA | EDMA_CR_ERCA, regs->cr); e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 254 e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 255 return 0; e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 256 } e7a3ff92eaf19e drivers/dma/mcf-edma.c Angelo Dureghello 2018-08-19 257 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki