[xilinx-xlnx:xlnx_rebase_v5.10 142/1981] drivers/dma/xilinx/vdmatest.c:329:57: warning: implicit conversion from 'enum dma_transfer_direction' to 'enum dma_data_direction'
kernel test robot
lkp at intel.com
Fri Dec 17 18:19:06 PST 2021
tree: https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.10
head: 87ec9a2d98a7a7dfc98b57348a0ec310fd170e4b
commit: de6c244aace5694a54d182647e46fa5113dff4fb [142/1981] dmaengine: xilinx: Add vdmatest test client code
config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20211218/202112181037.wYIfDyow-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/Xilinx/linux-xlnx/commit/de6c244aace5694a54d182647e46fa5113dff4fb
git remote add xilinx-xlnx https://github.com/Xilinx/linux-xlnx
git fetch --no-tags xilinx-xlnx xlnx_rebase_v5.10
git checkout de6c244aace5694a54d182647e46fa5113dff4fb
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arm SHELL=/bin/bash drivers/dma/xilinx/ drivers/hsi/clients/ drivers/mtd/nand/raw/ drivers/pinctrl/aspeed/ drivers/remoteproc/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>
All warnings (new ones prefixed by >>):
In file included from include/linux/dma/xilinx_dma.h:11,
from drivers/dma/xilinx/vdmatest.c:21:
drivers/dma/xilinx/vdmatest.c: In function 'xilinx_vdmatest_slave_func':
>> drivers/dma/xilinx/vdmatest.c:329:57: warning: implicit conversion from 'enum dma_transfer_direction' to 'enum dma_data_direction' [-Wenum-conversion]
329 | DMA_DEV_TO_MEM);
| ^~~~~~~~~~~~~~
include/linux/dma-mapping.h:383:66: note: in definition of macro 'dma_map_single'
383 | #define dma_map_single(d, a, s, r) dma_map_single_attrs(d, a, s, r, 0)
| ^
drivers/dma/xilinx/vdmatest.c:350:57: warning: implicit conversion from 'enum dma_transfer_direction' to 'enum dma_data_direction' [-Wenum-conversion]
350 | DMA_MEM_TO_DEV);
| ^~~~~~~~~~~~~~
include/linux/dma-mapping.h:383:66: note: in definition of macro 'dma_map_single'
383 | #define dma_map_single(d, a, s, r) dma_map_single_attrs(d, a, s, r, 0)
| ^
drivers/dma/xilinx/vdmatest.c:370:49: warning: implicit conversion from 'enum dma_transfer_direction' to 'enum dma_data_direction' [-Wenum-conversion]
370 | DMA_MEM_TO_DEV);
| ^~~~~~~~~~~~~~
include/linux/dma-mapping.h:384:70: note: in definition of macro 'dma_unmap_single'
384 | #define dma_unmap_single(d, a, s, r) dma_unmap_single_attrs(d, a, s, r, 0)
| ^
drivers/dma/xilinx/vdmatest.c:374:49: warning: implicit conversion from 'enum dma_transfer_direction' to 'enum dma_data_direction' [-Wenum-conversion]
374 | DMA_DEV_TO_MEM);
| ^~~~~~~~~~~~~~
include/linux/dma-mapping.h:384:70: note: in definition of macro 'dma_unmap_single'
384 | #define dma_unmap_single(d, a, s, r) dma_unmap_single_attrs(d, a, s, r, 0)
| ^
drivers/dma/xilinx/vdmatest.c:446:57: warning: implicit conversion from 'enum dma_transfer_direction' to 'enum dma_data_direction' [-Wenum-conversion]
446 | test_buf_size, DMA_DEV_TO_MEM);
| ^~~~~~~~~~~~~~
include/linux/dma-mapping.h:384:70: note: in definition of macro 'dma_unmap_single'
384 | #define dma_unmap_single(d, a, s, r) dma_unmap_single_attrs(d, a, s, r, 0)
| ^
vim +329 drivers/dma/xilinx/vdmatest.c
233
234 /*
235 * Function for slave transfers
236 * Each thread requires 2 channels, one for transmit, and one for receive
237 */
238 static int xilinx_vdmatest_slave_func(void *data)
239 {
240 struct xilinx_vdmatest_slave_thread *thread = data;
241 struct dma_chan *tx_chan, *rx_chan;
242 const char *thread_name;
243 unsigned int len, error_count;
244 unsigned int failed_tests = 0, total_tests = 0;
245 dma_cookie_t tx_cookie = 0, rx_cookie = 0;
246 enum dma_status status;
247 enum dma_ctrl_flags flags;
248 int ret = -ENOMEM, i;
249 struct xilinx_vdma_config config;
250
251 thread_name = current->comm;
252
253 /* Limit testing scope here */
254 test_buf_size = hsize * vsize;
255
256 /* This barrier ensures 'thread' is initialized and
257 * we get valid DMA channels
258 */
259 smp_rmb();
260 tx_chan = thread->tx_chan;
261 rx_chan = thread->rx_chan;
262
263 thread->srcs = kcalloc(frm_cnt+1, sizeof(u8 *), GFP_KERNEL);
264 if (!thread->srcs)
265 goto err_srcs;
266 for (i = 0; i < frm_cnt; i++) {
267 thread->srcs[i] = kmalloc(test_buf_size, GFP_KERNEL);
268 if (!thread->srcs[i])
269 goto err_srcbuf;
270 }
271
272 thread->dsts = kcalloc(frm_cnt+1, sizeof(u8 *), GFP_KERNEL);
273 if (!thread->dsts)
274 goto err_dsts;
275 for (i = 0; i < frm_cnt; i++) {
276 thread->dsts[i] = kmalloc(test_buf_size, GFP_KERNEL);
277 if (!thread->dsts[i])
278 goto err_dstbuf;
279 }
280
281 set_user_nice(current, 10);
282
283 flags = DMA_CTRL_ACK | DMA_PREP_INTERRUPT;
284
285 while (!kthread_should_stop()
286 && !(iterations && total_tests >= iterations)) {
287 struct dma_device *tx_dev = tx_chan->device;
288 struct dma_device *rx_dev = rx_chan->device;
289 struct dma_async_tx_descriptor *txd = NULL;
290 struct dma_async_tx_descriptor *rxd = NULL;
291 struct completion rx_cmp, tx_cmp;
292 unsigned long rx_tmo =
293 msecs_to_jiffies(30000); /* RX takes longer */
294 unsigned long tx_tmo = msecs_to_jiffies(30000);
295 u8 align = 0;
296
297 total_tests++;
298
299 /* honor larger alignment restrictions */
300 align = tx_dev->copy_align;
301 if (rx_dev->copy_align > align)
302 align = rx_dev->copy_align;
303
304 if (1 << align > test_buf_size) {
305 pr_err("%u-byte buffer too small for %d-byte alignment\n",
306 test_buf_size, 1 << align);
307 break;
308 }
309
310 len = test_buf_size;
311 xilinx_vdmatest_init_srcs(thread->srcs, 0, len);
312 xilinx_vdmatest_init_dsts(thread->dsts, 0, len);
313
314 /* Zero out configuration */
315 memset(&config, 0, sizeof(struct xilinx_vdma_config));
316
317 /* Set up hardware configuration information */
318 config.frm_cnt_en = 1;
319 config.coalesc = frm_cnt * 10;
320 config.park = 1;
321 xilinx_vdma_channel_set_config(tx_chan, &config);
322
323 xilinx_vdma_channel_set_config(rx_chan, &config);
324
325 for (i = 0; i < frm_cnt; i++) {
326 dma_dsts[i] = dma_map_single(rx_dev->dev,
327 thread->dsts[i],
328 test_buf_size,
> 329 DMA_DEV_TO_MEM);
330
331 if (dma_mapping_error(rx_dev->dev, dma_dsts[i])) {
332 failed_tests++;
333 continue;
334 }
335 xt.dst_start = dma_dsts[i];
336 xt.dir = DMA_DEV_TO_MEM;
337 xt.numf = vsize;
338 xt.sgl[0].size = hsize;
339 xt.sgl[0].icg = 0;
340 xt.frame_size = 1;
341 rxd = rx_dev->device_prep_interleaved_dma(rx_chan,
342 &xt, flags);
343 rx_cookie = rxd->tx_submit(rxd);
344 }
345
346 for (i = 0; i < frm_cnt; i++) {
347 u8 *buf = thread->srcs[i];
348
349 dma_srcs[i] = dma_map_single(tx_dev->dev, buf, len,
350 DMA_MEM_TO_DEV);
351
352 if (dma_mapping_error(tx_dev->dev, dma_srcs[i])) {
353 failed_tests++;
354 continue;
355 }
356 xt.src_start = dma_srcs[i];
357 xt.dir = DMA_MEM_TO_DEV;
358 xt.numf = vsize;
359 xt.sgl[0].size = hsize;
360 xt.sgl[0].icg = 0;
361 xt.frame_size = 1;
362 txd = tx_dev->device_prep_interleaved_dma(tx_chan,
363 &xt, flags);
364 tx_cookie = txd->tx_submit(txd);
365 }
366
367 if (!rxd || !txd) {
368 for (i = 0; i < frm_cnt; i++)
369 dma_unmap_single(tx_dev->dev, dma_srcs[i], len,
370 DMA_MEM_TO_DEV);
371 for (i = 0; i < frm_cnt; i++)
372 dma_unmap_single(rx_dev->dev, dma_dsts[i],
373 test_buf_size,
374 DMA_DEV_TO_MEM);
375 pr_warn("%s: #%u: prep error with len=0x%x ",
376 thread_name, total_tests - 1, len);
377 msleep(100);
378 failed_tests++;
379 continue;
380 }
381
382 init_completion(&rx_cmp);
383 rxd->callback = xilinx_vdmatest_slave_rx_callback;
384 rxd->callback_param = &rx_cmp;
385
386 init_completion(&tx_cmp);
387 txd->callback = xilinx_vdmatest_slave_tx_callback;
388 txd->callback_param = &tx_cmp;
389
390 if (dma_submit_error(rx_cookie) ||
391 dma_submit_error(tx_cookie)) {
392 pr_warn("%s: #%u: submit error %d/%d with len=0x%x ",
393 thread_name, total_tests - 1,
394 rx_cookie, tx_cookie, len);
395 msleep(100);
396 failed_tests++;
397 continue;
398 }
399 dma_async_issue_pending(tx_chan);
400 dma_async_issue_pending(rx_chan);
401
402 tx_tmo = wait_for_completion_timeout(&tx_cmp, tx_tmo);
403
404 status = dma_async_is_tx_complete(tx_chan, tx_cookie,
405 NULL, NULL);
406
407 if (tx_tmo == 0) {
408 pr_warn("%s: #%u: tx test timed out\n",
409 thread_name, total_tests - 1);
410 failed_tests++;
411 continue;
412 } else if (status != DMA_COMPLETE) {
413 pr_warn(
414 "%s: #%u: tx got completion callback, ",
415 thread_name, total_tests - 1);
416 pr_warn("but status is \'%s\'\n",
417 status == DMA_ERROR ? "error" :
418 "in progress");
419 failed_tests++;
420 continue;
421 }
422
423 rx_tmo = wait_for_completion_timeout(&rx_cmp, rx_tmo);
424 status = dma_async_is_tx_complete(rx_chan, rx_cookie,
425 NULL, NULL);
426
427 if (rx_tmo == 0) {
428 pr_warn("%s: #%u: rx test timed out\n",
429 thread_name, total_tests - 1);
430 failed_tests++;
431 continue;
432 } else if (status != DMA_COMPLETE) {
433 pr_warn(
434 "%s: #%u: rx got completion callback, ",
435 thread_name, total_tests - 1);
436 pr_warn("but status is \'%s\'\n",
437 status == DMA_ERROR ? "error" :
438 "in progress");
439 failed_tests++;
440 continue;
441 }
442
443 /* Unmap by myself */
444 for (i = 0; i < frm_cnt; i++)
445 dma_unmap_single(rx_dev->dev, dma_dsts[i],
446 test_buf_size, DMA_DEV_TO_MEM);
447
448 error_count = 0;
449
450 pr_debug("%s: verifying source buffer...\n", thread_name);
451 error_count += xilinx_vdmatest_verify(thread->srcs, 0, 0,
452 0, PATTERN_SRC, true);
453 error_count += xilinx_vdmatest_verify(thread->srcs, 0,
454 len, 0, PATTERN_SRC | PATTERN_COPY, true);
455 error_count += xilinx_vdmatest_verify(thread->srcs, len,
456 test_buf_size, len, PATTERN_SRC, true);
457
458 pr_debug("%s: verifying dest buffer...\n",
459 thread->task->comm);
460 error_count += xilinx_vdmatest_verify(thread->dsts, 0, 0,
461 0, PATTERN_DST, false);
462 error_count += xilinx_vdmatest_verify(thread->dsts, 0,
463 len, 0, PATTERN_SRC | PATTERN_COPY, false);
464 error_count += xilinx_vdmatest_verify(thread->dsts, len,
465 test_buf_size, len, PATTERN_DST, false);
466
467 if (error_count) {
468 pr_warn("%s: #%u: %u errors with len=0x%x\n",
469 thread_name, total_tests - 1, error_count, len);
470 failed_tests++;
471 } else {
472 pr_debug("%s: #%u: No errors with len=0x%x\n",
473 thread_name, total_tests - 1, len);
474 }
475 }
476
477 ret = 0;
478 for (i = 0; thread->dsts[i]; i++)
479 kfree(thread->dsts[i]);
480 err_dstbuf:
481 kfree(thread->dsts);
482 err_dsts:
483 for (i = 0; thread->srcs[i]; i++)
484 kfree(thread->srcs[i]);
485 err_srcbuf:
486 kfree(thread->srcs);
487 err_srcs:
488 pr_notice("%s: terminating after %u tests, %u failures (status %d)\n",
489 thread_name, total_tests, failed_tests, ret);
490
491 thread->done = true;
492 wake_up(&thread_wait);
493
494 return ret;
495 }
496
---
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