Re: [PATCH 4/4] dmaengine: fsl-edma: integrate TCD64 support for i.MX95

From: kernel test robot
Date: Fri Nov 10 2023 - 13:24:08 EST

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In reply to: Frank Li: "Re: [PATCH 4/4] dmaengine: fsl-edma: integrate TCD64 support for i.MX95"
Next in thread: kernel test robot: "Re: [PATCH 4/4] dmaengine: fsl-edma: integrate TCD64 support for i.MX95"
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Hi Frank,

kernel test robot noticed the following build errors:

[auto build test ERROR on next-20231109]
[also build test ERROR on linus/master v6.6]
[cannot apply to vkoul-dmaengine/next v6.6 v6.6-rc7 v6.6-rc6]
[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/Frank-Li/dmaengine-fsl-edma-involve-help-macro-fsl_edma_set-get-_tcd/20231110-053023
base: next-20231109
patch link: https://lore.kernel.org/r/20231109212059.1894646-5-Frank.Li%40nxp.com
patch subject: [PATCH 4/4] dmaengine: fsl-edma: integrate TCD64 support for i.MX95
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20231110/202311102230.c9Xl4AcZ-lkp@xxxxxxxxx/config)
compiler: alpha-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231110/202311102230.c9Xl4AcZ-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/202311102230.c9Xl4AcZ-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

drivers/dma/mcf-edma-main.c: In function 'mcf_edma_probe':
drivers/dma/mcf-edma-main.c:205:46: warning: dereferencing 'void *' pointer
205 | iowrite32(0x0, &mcf_chan->tcd->csr);
| ^~
>> drivers/dma/mcf-edma-main.c:205:46: error: request for member 'csr' in something not a structure or union

vim +/csr +205 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);
7536f8b371adcc drivers/dma/mcf-edma-main.c Frank Li 2023-08-21 @205 iowrite32(0x0, &mcf_chan->tcd->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

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Previous message: Drew Fustini: "[PATCH v5 0/7] RISC-V: Add MMC support for TH1520 boards"
In reply to: Frank Li: "Re: [PATCH 4/4] dmaengine: fsl-edma: integrate TCD64 support for i.MX95"
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