Hi "Alice, [FYI, it's a private test report for your RFC patch.] [auto build test WARNING on renesas-drivers/renesas-clk] [also build test WARNING on vkoul-dmaengine/next linuxtv-media/master renesas-drivers/renesas-pinctrl renesas-devel/next linus/master v5.12-rc8 next-20210416] [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/Alice-Guo-OSS/support-soc_device... base: https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers.git renesas-clk config: arm64-allyesconfig (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 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/5dc133669083c08a14f24be6e24b5aa18... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Alice-Guo-OSS/support-soc_device_match-to-return-EPROBE_DEFER/20210419-123109 git checkout 5dc133669083c08a14f24be6e24b5aa1840836c7 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): drivers/dma/ti/k3-psil.c: In function 'psil_get_ep_config': 37 | return PTR_ERR(soc); | ^~~~~~~~~~~~ vim +37 drivers/dma/ti/k3-psil.c 26 27 struct psil_endpoint_config *psil_get_ep_config(u32 thread_id) 28 { 29 int i; 30 31 mutex_lock(&ep_map_mutex); 32 if (!soc_ep_map) { 33 const struct soc_device_attribute *soc; 34 35 soc = soc_device_match(k3_soc_devices); 36 if (IS_ERR(soc)) 38 39 if (soc) { 40 soc_ep_map = soc->data; 41 } else { 42 pr_err("PSIL: No compatible machine found for map\n"); 43 mutex_unlock(&ep_map_mutex); 44 return ERR_PTR(-ENOTSUPP); 45 } 46 pr_debug("%s: Using map for %s\n", __func__, soc_ep_map->name); 47 } 48 mutex_unlock(&ep_map_mutex); 49 50 if (thread_id & K3_PSIL_DST_THREAD_ID_OFFSET && soc_ep_map->dst) { 51 /* check in destination thread map */ 52 for (i = 0; i < soc_ep_map->dst_count; i++) { 53 if (soc_ep_map->dst[i].thread_id == thread_id) 54 return &soc_ep_map->dst[i].ep_config; 55 } 56 } 57 58 thread_id &= ~K3_PSIL_DST_THREAD_ID_OFFSET; 59 if (soc_ep_map->src) { 60 for (i = 0; i < soc_ep_map->src_count; i++) { 61 if (soc_ep_map->src[i].thread_id == thread_id) 62 return &soc_ep_map->src[i].ep_config; 63 } 64 } 65 66 return ERR_PTR(-ENOENT); 67 } 68 EXPORT_SYMBOL_GPL(psil_get_ep_config); 69 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org