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Tue, 16 Aug 2022 04:09:44 +0000 Date: Tue, 16 Aug 2022 12:09:33 +0800 From: kernel test robot To: Hector Martin Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [asahilinux:bits/110-smc 4/17] drivers/platform/apple/smc_core.c:210:26: sparse: sparse: cast to restricted __be32 Message-ID: <202208161228.iyoLmbTO-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://github.com/AsahiLinux/linux bits/110-smc head: 85225bbe01a2a74102db8d75e316b4e46f1cb07f commit: 59000ffdca0f77c3f45fe7610510b17382fc8974 [4/17] platform/apple: Add new Apple Mac SMC driver config: arm64-randconfig-s053-20220815 (https://download.01.org/0day-ci/archive/20220816/202208161228.iyoLmbTO-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 12.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://github.com/AsahiLinux/linux/commit/59000ffdca0f77c3f45fe7610510b17382fc8974 git remote add asahilinux https://github.com/AsahiLinux/linux git fetch --no-tags asahilinux bits/110-smc git checkout 59000ffdca0f77c3f45fe7610510b17382fc8974 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/platform/apple/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> drivers/platform/apple/smc_core.c:210:26: sparse: sparse: cast to restricted __be32 vim +210 drivers/platform/apple/smc_core.c 190 191 struct apple_smc *apple_smc_probe(struct device *dev, const struct apple_smc_backend_ops *ops, void *cookie) 192 { 193 struct apple_smc *smc; 194 u32 count; 195 int ret; 196 197 smc = devm_kzalloc(dev, sizeof(*smc), GFP_KERNEL); 198 if (!smc) 199 return ERR_PTR(-ENOMEM); 200 201 smc->dev = dev; 202 smc->be_cookie = cookie; 203 smc->be = ops; 204 mutex_init(&smc->mutex); 205 BLOCKING_INIT_NOTIFIER_HEAD(&smc->event_handlers); 206 207 ret = apple_smc_read_u32(smc, SMC_KEY(#KEY), &count); 208 if (ret) 209 return ERR_PTR(dev_err_probe(dev, ret, "Failed to get key count")); > 210 smc->key_count = be32_to_cpu(count); 211 212 ret = apple_smc_get_key_by_index(smc, 0, &smc->first_key); 213 if (ret) 214 return ERR_PTR(dev_err_probe(dev, ret, "Failed to get first key")); 215 216 ret = apple_smc_get_key_by_index(smc, smc->key_count - 1, &smc->last_key); 217 if (ret) 218 return ERR_PTR(dev_err_probe(dev, ret, "Failed to get last key")); 219 220 /* Enable notifications */ 221 apple_smc_write_flag(smc, SMC_KEY(NTAP), 1); 222 223 dev_info(dev, "Initialized (%d keys %p4ch..%p4ch)\n", 224 smc->key_count, &smc->first_key, &smc->last_key); 225 226 dev_set_drvdata(dev, smc); 227 228 ret = mfd_add_devices(dev, -1, apple_smc_devs, ARRAY_SIZE(apple_smc_devs), NULL, 0, NULL); 229 if (ret) 230 return ERR_PTR(dev_err_probe(dev, ret, "Subdevice initialization failed")); 231 232 return smc; 233 } 234 EXPORT_SYMBOL(apple_smc_probe); 235 -- 0-DAY CI Kernel Test Service https://01.org/lkp