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: arc-randconfig-r003-20220126 (https://download.01.org/0day-ci/archive/20220127/202201270412.QDMYUTEr-lkp@xxxxxxxxx/config) compiler: arc-elf-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/70d5973b9373ab26b6a1ed520ee07b71c7bdba63 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 70d5973b9373ab26b6a1ed520ee07b71c7bdba63 # 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=arc SHELL=/bin/bash drivers/misc/ 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:1761:23: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 1761 | args[0].ptr = (u64) &req_msg; | ^ drivers/misc/fastrpc.c: In function 'fastrpc_req_mem_map': drivers/misc/fastrpc.c:1811:19: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 1811 | map->va = (void *) req.vaddrin; | ^ drivers/misc/fastrpc.c:1816:23: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 1816 | args[0].ptr = (u64) &req_msg; | ^ drivers/misc/fastrpc.c:1822:23: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 1822 | args[1].ptr = (u64) &pages; | ^ drivers/misc/fastrpc.c:1825:23: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 1825 | args[2].ptr = (u64) &pages; | ^ drivers/misc/fastrpc.c:1828:23: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 1828 | args[3].ptr = (u64) &rsp_msg; | ^ drivers/misc/fastrpc.c: In function 'fastrpc_get_info_from_kernel.constprop': >> drivers/misc/fastrpc.c:1552:1: warning: the frame size of 1076 bytes is larger than 1024 bytes [-Wframe-larger-than=] 1552 | } | ^ vim +1552 drivers/misc/fastrpc.c a22465bb4904fac Jeya R 2022-01-26 1515 a22465bb4904fac Jeya R 2022-01-26 1516 static int fastrpc_get_info_from_kernel(struct fastrpc_ioctl_capability *cap, a22465bb4904fac Jeya R 2022-01-26 1517 struct fastrpc_user *fl) a22465bb4904fac Jeya R 2022-01-26 1518 { a22465bb4904fac Jeya R 2022-01-26 1519 struct fastrpc_channel_ctx *cctx = fl->cctx; a22465bb4904fac Jeya R 2022-01-26 1520 uint32_t attribute_id = cap->attribute_id; a22465bb4904fac Jeya R 2022-01-26 1521 uint32_t dsp_attributes[FASTRPC_MAX_DSP_ATTRIBUTES]; a22465bb4904fac Jeya R 2022-01-26 1522 unsigned long flags; a22465bb4904fac Jeya R 2022-01-26 1523 uint32_t domain = cap->domain; a22465bb4904fac Jeya R 2022-01-26 1524 int err; a22465bb4904fac Jeya R 2022-01-26 1525 a22465bb4904fac Jeya R 2022-01-26 1526 spin_lock_irqsave(&cctx->lock, flags); a22465bb4904fac Jeya R 2022-01-26 1527 /* check if we already have queried dsp for attributes */ a22465bb4904fac Jeya R 2022-01-26 1528 if (cctx->valid_attributes) { a22465bb4904fac Jeya R 2022-01-26 1529 spin_unlock_irqrestore(&cctx->lock, flags); a22465bb4904fac Jeya R 2022-01-26 1530 goto done; a22465bb4904fac Jeya R 2022-01-26 1531 } a22465bb4904fac Jeya R 2022-01-26 1532 spin_unlock_irqrestore(&cctx->lock, flags); a22465bb4904fac Jeya R 2022-01-26 1533 a22465bb4904fac Jeya R 2022-01-26 1534 err = fastrpc_get_info_from_dsp(fl, &dsp_attributes[0], FASTRPC_MAX_DSP_ATTRIBUTES); a22465bb4904fac Jeya R 2022-01-26 1535 if (err == DSP_UNSUPPORTED_API) { a22465bb4904fac Jeya R 2022-01-26 1536 dev_info(&cctx->rpdev->dev, a22465bb4904fac Jeya R 2022-01-26 1537 "Warning: DSP capabilities not supported on domain: %d\n", domain); a22465bb4904fac Jeya R 2022-01-26 1538 return -EOPNOTSUPP; a22465bb4904fac Jeya R 2022-01-26 1539 } else if (err) { a22465bb4904fac Jeya R 2022-01-26 1540 dev_err(&cctx->rpdev->dev, "Error: dsp information is incorrect err: %d\n", err); a22465bb4904fac Jeya R 2022-01-26 1541 return err; a22465bb4904fac Jeya R 2022-01-26 1542 } a22465bb4904fac Jeya R 2022-01-26 1543 a22465bb4904fac Jeya R 2022-01-26 1544 spin_lock_irqsave(&cctx->lock, flags); a22465bb4904fac Jeya R 2022-01-26 1545 memcpy(cctx->dsp_attributes, dsp_attributes, sizeof(u32) * FASTRPC_MAX_DSP_ATTRIBUTES); a22465bb4904fac Jeya R 2022-01-26 1546 cctx->valid_attributes = true; a22465bb4904fac Jeya R 2022-01-26 1547 spin_unlock_irqrestore(&cctx->lock, flags); a22465bb4904fac Jeya R 2022-01-26 1548 done: a22465bb4904fac Jeya R 2022-01-26 1549 cap->capability = cctx->dsp_attributes[attribute_id]; a22465bb4904fac Jeya R 2022-01-26 1550 a22465bb4904fac Jeya R 2022-01-26 1551 return 0; a22465bb4904fac Jeya R 2022-01-26 @1552 } a22465bb4904fac Jeya R 2022-01-26 1553 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
