Hi Srinivas, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on char-misc/char-misc-testing] [also build test WARNING on robh/for-next linux/master linus/master v5.17-rc1 next-20220125] [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] url: https://github.com/0day-ci/linux/commits/Srinivas-Kandagatla/misc-fastrpc-Add-missing-DSP-FastRPC-features/20220126-215705 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git 515a2f507491e7c3818e74ef4f4e088c1fecb190 config: nds32-randconfig-r014-20220126 (https://download.01.org/0day-ci/archive/20220127/202201270435.PxFnOyYn-lkp@xxxxxxxxx/config) compiler: nds32le-linux-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/0day-ci/linux/commit/a22465bb4904facca8fe21d23f74410cf6cb1fd0 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Srinivas-Kandagatla/misc-fastrpc-Add-missing-DSP-FastRPC-features/20220126-215705 git checkout a22465bb4904facca8fe21d23f74410cf6cb1fd0 # 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=nds32 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): drivers/misc/fastrpc.c: In function 'fastrpc_req_mem_unmap_impl': drivers/misc/fastrpc.c:1646:23: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 1646 | args[0].ptr = (u64) &req_msg; | ^ drivers/misc/fastrpc.c: In function 'fastrpc_req_mem_map': drivers/misc/fastrpc.c:1696:19: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 1696 | map->va = (void *) req.vaddrin; | ^ drivers/misc/fastrpc.c:1701:23: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 1701 | args[0].ptr = (u64) &req_msg; | ^ drivers/misc/fastrpc.c:1707:23: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 1707 | args[1].ptr = (u64) &pages; | ^ drivers/misc/fastrpc.c:1710:23: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 1710 | args[2].ptr = (u64) &pages; | ^ drivers/misc/fastrpc.c:1713:23: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 1713 | args[3].ptr = (u64) &rsp_msg; | ^ drivers/misc/fastrpc.c: In function 'fastrpc_get_info_from_kernel.constprop': >> drivers/misc/fastrpc.c:1437:1: warning: the frame size of 1080 bytes is larger than 1024 bytes [-Wframe-larger-than=] 1437 | } | ^ vim +1437 drivers/misc/fastrpc.c 1400 1401 static int fastrpc_get_info_from_kernel(struct fastrpc_ioctl_capability *cap, 1402 struct fastrpc_user *fl) 1403 { 1404 struct fastrpc_channel_ctx *cctx = fl->cctx; 1405 uint32_t attribute_id = cap->attribute_id; 1406 uint32_t dsp_attributes[FASTRPC_MAX_DSP_ATTRIBUTES]; 1407 unsigned long flags; 1408 uint32_t domain = cap->domain; 1409 int err; 1410 1411 spin_lock_irqsave(&cctx->lock, flags); 1412 /* check if we already have queried dsp for attributes */ 1413 if (cctx->valid_attributes) { 1414 spin_unlock_irqrestore(&cctx->lock, flags); 1415 goto done; 1416 } 1417 spin_unlock_irqrestore(&cctx->lock, flags); 1418 1419 err = fastrpc_get_info_from_dsp(fl, &dsp_attributes[0], FASTRPC_MAX_DSP_ATTRIBUTES); 1420 if (err == DSP_UNSUPPORTED_API) { 1421 dev_info(&cctx->rpdev->dev, 1422 "Warning: DSP capabilities not supported on domain: %d\n", domain); 1423 return -EOPNOTSUPP; 1424 } else if (err) { 1425 dev_err(&cctx->rpdev->dev, "Error: dsp information is incorrect err: %d\n", err); 1426 return err; 1427 } 1428 1429 spin_lock_irqsave(&cctx->lock, flags); 1430 memcpy(cctx->dsp_attributes, dsp_attributes, sizeof(u32) * FASTRPC_MAX_DSP_ATTRIBUTES); 1431 cctx->valid_attributes = true; 1432 spin_unlock_irqrestore(&cctx->lock, flags); 1433 done: 1434 cap->capability = cctx->dsp_attributes[attribute_id]; 1435 1436 return 0; > 1437 } 1438 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx