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X-CSE-ConnectionGUID: Efy45KOBRSG+vmFT8psyyA== X-CSE-MsgGUID: O+C0H/ZvRemyySDp+yINng== X-IronPort-AV: E=McAfee;i="6800,10657,11905"; a="90051587" X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="90051587" Received: from fmviesa011.fm.intel.com ([10.60.135.151]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Sep 2026 01:42:40 -0700 X-CSE-ConnectionGUID: oxMLzW00THG/tEH2rf3LBg== X-CSE-MsgGUID: ulo9XoEHTAO2NJFCe+5Erg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,103,1787036400"; d="scan'208";a="1870916" Received: from lkp-server01.sh.intel.com (HELO 462990a40a85) ([10.239.97.150]) by fmviesa011.fm.intel.com with ESMTP; 17 Sep 2026 01:42:38 -0700 Received: from kbuild by 462990a40a85 with local (Exim 4.98.2) (envelope-from ) id 1x77hT-000000007Ph-1Qrb; Thu, 17 Sep 2026 08:42:35 +0000 Date: Thu, 17 Sep 2026 16:41:47 +0800 From: kernel test robot To: Bartosz Golaszewski Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Wolfram Sang , Srinivas Kandagatla Subject: drivers/nvmem/m24lr.c:343:24: sparse: sparse: cast to restricted __le16 Message-ID: <202609171615.pqY38RUJ-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Hi Bartosz, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 9b87fdc9af2fbfcdb5c24a64139685ef80f6573f commit: cf09b7a05618bea99468b67fe80202efba1b48ad eeprom: move nvmem EEPROM drivers to drivers/nvmem/ date: 7 weeks ago config: x86_64-randconfig-1301-20260917 (https://download.01.org/0day-ci/archive/20260917/202609171615.pqY38RUJ-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 sparse: v0.6.5-rc1 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260917/202609171615.pqY38RUJ-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Fixes: cf09b7a05618 ("eeprom: move nvmem EEPROM drivers to drivers/nvmem/") | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202609171615.pqY38RUJ-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/nvmem/m24lr.c:343:24: sparse: sparse: cast to restricted __le16 >> drivers/nvmem/m24lr.c:343:24: sparse: sparse: cast from restricted __le64 >> drivers/nvmem/m24lr.c:346:24: sparse: sparse: cast to restricted __le32 drivers/nvmem/m24lr.c:346:24: sparse: sparse: cast from restricted __le64 vim +343 drivers/nvmem/m24lr.c cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 323 cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 324 static ssize_t m24lr_read_reg_le(struct m24lr *m24lr, u64 *val, cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 325 unsigned int reg_addr, cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 326 unsigned int reg_size) cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 327 { cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 328 ssize_t ret; cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 329 __le64 input = 0; cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 330 cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 331 ret = m24lr_read(m24lr, (u8 *)&input, reg_size, reg_addr, false); cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 332 if (IS_ERR_VALUE(ret)) cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 333 return ret; cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 334 cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 335 if (ret != reg_size) cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 336 return -EINVAL; cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 337 cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 338 switch (reg_size) { cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 339 case 1: cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 340 *val = *(u8 *)&input; cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 341 break; cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 342 case 2: cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 @343 *val = le16_to_cpu((__le16)input); cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 344 break; cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 345 case 4: cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 @346 *val = le32_to_cpu((__le32)input); cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 347 break; cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 348 case 8: cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 349 *val = le64_to_cpu((__le64)input); cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 350 break; cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 351 default: cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 352 return -EINVAL; b009c1dbfc9854c drivers/misc/eeprom/m24lr.c Chen Ni 2025-08-21 353 } cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 354 cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 355 return 0; cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 356 } cd5c5e0231c538a drivers/misc/eeprom/m24lr.c Abd-Alrhman Masalkhi 2025-07-17 357 :::::: The code at line 343 was first introduced by commit :::::: cd5c5e0231c538a5d2d4a73f3b3ffc77ff08449c eeprom: add driver for ST M24LR series RFID/NFC EEPROM chips :::::: TO: Abd-Alrhman Masalkhi :::::: CC: Greg Kroah-Hartman -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki