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Message-ID: <202303272213.jOYrwBZu-lkp@intel.com>
Date: Mon, 27 Mar 2023 22:46:56 +0800
From: kernel test robot <lkp@...el.com>
To: Yu Zhe <yuzhe@...china.com>, andersson@...nel.org,
mathieu.poirier@...aro.org,
angelogioacchino.delregno@...labora.com, agross@...nel.org,
konrad.dybcio@...aro.org, patrice.chotard@...s.st.com,
mcoquelin.stm32@...il.com, alexandre.torgue@...s.st.com
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org, linux-arm-msm@...r.kernel.org,
linux-stm32@...md-mailman.stormreply.com, liqiong@...china.com,
Yu Zhe <yuzhe@...china.com>
Subject: Re: [PATCH v2] remoteproc: remove unnecessary (void*) conversions
Hi Yu,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on v6.3-rc3]
[also build test ERROR on linus/master]
[cannot apply to remoteproc/rproc-next next-20230327]
[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/Yu-Zhe/remoteproc-remove-unnecessary-void-conversions/20230320-141403
patch link: https://lore.kernel.org/r/20230320061157.29660-1-yuzhe%40nfschina.com
patch subject: [PATCH v2] remoteproc: remove unnecessary (void*) conversions
config: arm-defconfig (https://download.01.org/0day-ci/archive/20230327/202303272213.jOYrwBZu-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project 67409911353323ca5edf2049ef0df54132fa1ca7)
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
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# https://github.com/intel-lab-lkp/linux/commit/38335303eda6c4de037cd00e20c9065a76f82291
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Yu-Zhe/remoteproc-remove-unnecessary-void-conversions/20230320-141403
git checkout 38335303eda6c4de037cd00e20c9065a76f82291
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/remoteproc/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303272213.jOYrwBZu-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/remoteproc/st_remoteproc.c:361:16: error: assigning to 'struct st_rproc_config *' from 'const void *const' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
ddata->config = match->data;
^ ~~~~~~~~~~~
1 error generated.
vim +361 drivers/remoteproc/st_remoteproc.c
337
338 static int st_rproc_probe(struct platform_device *pdev)
339 {
340 struct device *dev = &pdev->dev;
341 const struct of_device_id *match;
342 struct st_rproc *ddata;
343 struct device_node *np = dev->of_node;
344 struct rproc *rproc;
345 struct mbox_chan *chan;
346 int enabled;
347 int ret, i;
348
349 match = of_match_device(st_rproc_match, dev);
350 if (!match || !match->data) {
351 dev_err(dev, "No device match found\n");
352 return -ENODEV;
353 }
354
355 rproc = rproc_alloc(dev, np->name, &st_rproc_ops, NULL, sizeof(*ddata));
356 if (!rproc)
357 return -ENOMEM;
358
359 rproc->has_iommu = false;
360 ddata = rproc->priv;
> 361 ddata->config = match->data;
362
363 platform_set_drvdata(pdev, rproc);
364
365 ret = st_rproc_parse_dt(pdev);
366 if (ret)
367 goto free_rproc;
368
369 enabled = st_rproc_state(pdev);
370 if (enabled < 0) {
371 ret = enabled;
372 goto free_clk;
373 }
374
375 if (enabled) {
376 atomic_inc(&rproc->power);
377 rproc->state = RPROC_RUNNING;
378 } else {
379 clk_set_rate(ddata->clk, ddata->clk_rate);
380 }
381
382 if (of_get_property(np, "mbox-names", NULL)) {
383 ddata->mbox_client_vq0.dev = dev;
384 ddata->mbox_client_vq0.tx_done = NULL;
385 ddata->mbox_client_vq0.tx_block = false;
386 ddata->mbox_client_vq0.knows_txdone = false;
387 ddata->mbox_client_vq0.rx_callback = st_rproc_mbox_callback_vq0;
388
389 ddata->mbox_client_vq1.dev = dev;
390 ddata->mbox_client_vq1.tx_done = NULL;
391 ddata->mbox_client_vq1.tx_block = false;
392 ddata->mbox_client_vq1.knows_txdone = false;
393 ddata->mbox_client_vq1.rx_callback = st_rproc_mbox_callback_vq1;
394
395 /*
396 * To control a co-processor without IPC mechanism.
397 * This driver can be used without mbox and rpmsg.
398 */
399 chan = mbox_request_channel_byname(&ddata->mbox_client_vq0, "vq0_rx");
400 if (IS_ERR(chan)) {
401 dev_err(&rproc->dev, "failed to request mbox chan 0\n");
402 ret = PTR_ERR(chan);
403 goto free_clk;
404 }
405 ddata->mbox_chan[ST_RPROC_VQ0 * MBOX_MAX + MBOX_RX] = chan;
406
407 chan = mbox_request_channel_byname(&ddata->mbox_client_vq0, "vq0_tx");
408 if (IS_ERR(chan)) {
409 dev_err(&rproc->dev, "failed to request mbox chan 0\n");
410 ret = PTR_ERR(chan);
411 goto free_mbox;
412 }
413 ddata->mbox_chan[ST_RPROC_VQ0 * MBOX_MAX + MBOX_TX] = chan;
414
415 chan = mbox_request_channel_byname(&ddata->mbox_client_vq1, "vq1_rx");
416 if (IS_ERR(chan)) {
417 dev_err(&rproc->dev, "failed to request mbox chan 1\n");
418 ret = PTR_ERR(chan);
419 goto free_mbox;
420 }
421 ddata->mbox_chan[ST_RPROC_VQ1 * MBOX_MAX + MBOX_RX] = chan;
422
423 chan = mbox_request_channel_byname(&ddata->mbox_client_vq1, "vq1_tx");
424 if (IS_ERR(chan)) {
425 dev_err(&rproc->dev, "failed to request mbox chan 1\n");
426 ret = PTR_ERR(chan);
427 goto free_mbox;
428 }
429 ddata->mbox_chan[ST_RPROC_VQ1 * MBOX_MAX + MBOX_TX] = chan;
430 }
431
432 ret = rproc_add(rproc);
433 if (ret)
434 goto free_mbox;
435
436 return 0;
437
438 free_mbox:
439 for (i = 0; i < ST_RPROC_MAX_VRING * MBOX_MAX; i++)
440 mbox_free_channel(ddata->mbox_chan[i]);
441 free_clk:
442 clk_unprepare(ddata->clk);
443 free_rproc:
444 rproc_free(rproc);
445 return ret;
446 }
447
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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