Hi Thierry, [auto build test WARNING on linuxtv-media/master] [also build test WARNING on v4.13-rc2 next-20170726] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Thierry-Escande/v4l2-Add-support-for-go2001-PCI-codec-driver/20170727-033126 base: git://linuxtv.org/media_tree.git master config: i386-allyesconfig (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): drivers/media/pci/go2001/go2001_driver.c: In function 'go2001_buf_init': >> drivers/media/pci/go2001/go2001_driver.c:274:32: warning: format '%zu' expects argument of type 'size_t', but argument 6 has type 'long unsigned int' [-Wformat=] go2001_err(gdev, "Plane address/size not aligned %d/%zu\n", ^~~~~~~~ vim +274 drivers/media/pci/go2001/go2001_driver.c 240 241 static int go2001_buf_init(struct vb2_buffer *vb) 242 { 243 struct go2001_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); 244 struct go2001_dev *gdev = ctx->gdev; 245 struct device *dev = &gdev->pdev->dev; 246 struct go2001_buffer *gbuf = vb_to_go2001_buf(vb); 247 struct go2001_dma_desc *dma_desc; 248 struct go2001_mmap_list_entry *mmap_list; 249 enum dma_data_direction dir; 250 struct scatterlist *sg; 251 struct sg_table *sgt; 252 u64 dma_addr; 253 u32 dma_len; 254 int plane, sgi; 255 int ret; 256 257 go2001_trace(gdev); 258 259 if (WARN_ON(gbuf->mapped)) 260 return -EINVAL; 261 262 dir = V4L2_TYPE_IS_OUTPUT(vb->vb2_queue->type) ? 263 DMA_TO_DEVICE : 264 DMA_FROM_DEVICE; 265 266 for (plane = 0; plane < vb->num_planes; ++plane) { 267 dma_desc = &gbuf->dma_desc[plane]; 268 WARN_ON(!IS_ALIGNED(dma_desc->map_addr, 16)); 269 270 sgt = vb2_dma_sg_plane_desc(vb, plane); 271 272 if (!IS_ALIGNED(sgt->sgl->offset, 8) || 273 !IS_ALIGNED(vb2_plane_size(vb, plane), 8)) { > 274 go2001_err(gdev, "Plane address/size not aligned %d/%zu\n", 275 sgt->sgl->offset, vb2_plane_size(vb, plane)); 276 277 ret = -EINVAL; 278 goto err; 279 } 280 281 dma_desc->num_entries = sgt->nents; 282 dma_desc->list_size = dma_desc->num_entries * 283 sizeof(struct go2001_mmap_list_entry); 284 dma_desc->mmap_list = dma_alloc_coherent(dev, 285 dma_desc->list_size, 286 &dma_desc->dma_addr, 287 GFP_KERNEL); 288 if (!dma_desc->mmap_list) { 289 go2001_err(gdev, "Failed allocating HW memory map\n"); 290 291 ret = -ENOMEM; 292 goto err; 293 } 294 295 go2001_dbg(gdev, 3, "Plane %d: mmap list size: %zu\n", plane, 296 dma_desc->list_size); 297 298 mmap_list = dma_desc->mmap_list; 299 for_each_sg(sgt->sgl, sg, dma_desc->num_entries, sgi) { 300 dma_addr = sg_dma_address(sg); 301 dma_len = sg_dma_len(sg); 302 303 mmap_list[sgi].dma_addr = cpu_to_le64(dma_addr); 304 mmap_list[sgi].size = cpu_to_le32(dma_len); 305 306 go2001_dbg(gdev, 4, "Chunk %d: 0x%08llx, size %d\n", 307 sgi, dma_addr, dma_len); 308 } 309 } 310 311 ret = go2001_map_buffer(ctx, gbuf); 312 if (ret) { 313 go2001_err(ctx->gdev, "Failed mapping buffer in HW\n"); 314 goto err; 315 } 316 317 return 0; 318 319 err: 320 for (; plane > 0; --plane) { 321 dma_desc = &gbuf->dma_desc[plane - 1]; 322 dma_free_coherent(dev, dma_desc->list_size, dma_desc->mmap_list, 323 dma_desc->dma_addr); 324 memset(dma_desc, 0, sizeof(struct go2001_dma_desc)); 325 } 326 327 return ret; 328 } 329 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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