Hi Pavitrakumar, kernel test robot noticed the following build warnings: [auto build test WARNING on 6a8dbd71a70620c42d4fa82509204ba18231f28d] url: https://github.com/intel-lab-lkp/linux/commits/Pavitrakumar-M/Add-SPAcc-driver-to-Linux-kernel/20240329-023010 base: 6a8dbd71a70620c42d4fa82509204ba18231f28d patch link: https://lore.kernel.org/r/20240328182652.3587727-5-pavitrakumarm%40vayavyalabs.com patch subject: [PATCH v1 4/4] Enable Driver compilation in crypto Kconfig and Makefile file config: mips-randconfig-r122-20240330 (https://download.01.org/0day-ci/archive/20240330/202403300840.vE1pjy9E-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 79ba323bdd0843275019e16b6e9b35133677c514) reproduce: (https://download.01.org/0day-ci/archive/20240330/202403300840.vE1pjy9E-lkp@xxxxxxxxx/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 | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202403300840.vE1pjy9E-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/crypto/dwc-spacc/spacc_manager.c:135:46: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void volatile [noderef] __iomem *mem @@ got void * @@ drivers/crypto/dwc-spacc/spacc_manager.c:135:46: sparse: expected void volatile [noderef] __iomem *mem drivers/crypto/dwc-spacc/spacc_manager.c:135:46: sparse: got void * vim +135 drivers/crypto/dwc-spacc/spacc_manager.c b37587c90bca57 Pavitrakumar M 2024-03-28 107 b37587c90bca57 Pavitrakumar M 2024-03-28 108 static int spacc_ctx_release(struct spacc_device *spacc, int ctx_id) b37587c90bca57 Pavitrakumar M 2024-03-28 109 { b37587c90bca57 Pavitrakumar M 2024-03-28 110 unsigned long lock_flag; b37587c90bca57 Pavitrakumar M 2024-03-28 111 int ncontig; b37587c90bca57 Pavitrakumar M 2024-03-28 112 int y; b37587c90bca57 Pavitrakumar M 2024-03-28 113 b37587c90bca57 Pavitrakumar M 2024-03-28 114 b37587c90bca57 Pavitrakumar M 2024-03-28 115 if (ctx_id < 0 || ctx_id > spacc->config.num_ctx) b37587c90bca57 Pavitrakumar M 2024-03-28 116 return -EINVAL; b37587c90bca57 Pavitrakumar M 2024-03-28 117 b37587c90bca57 Pavitrakumar M 2024-03-28 118 spin_lock_irqsave(&spacc->ctx_lock, lock_flag); b37587c90bca57 Pavitrakumar M 2024-03-28 119 /* release the base context and contiguous block */ b37587c90bca57 Pavitrakumar M 2024-03-28 120 ncontig = (&spacc->ctx[ctx_id])->ncontig; b37587c90bca57 Pavitrakumar M 2024-03-28 121 for (y = 0; y <= ncontig; y++) { b37587c90bca57 Pavitrakumar M 2024-03-28 122 if ((&spacc->ctx[ctx_id + y])->ref_cnt > 0) b37587c90bca57 Pavitrakumar M 2024-03-28 123 (&spacc->ctx[ctx_id + y])->ref_cnt--; b37587c90bca57 Pavitrakumar M 2024-03-28 124 } b37587c90bca57 Pavitrakumar M 2024-03-28 125 b37587c90bca57 Pavitrakumar M 2024-03-28 126 if ((&spacc->ctx[ctx_id])->ref_cnt == 0) { b37587c90bca57 Pavitrakumar M 2024-03-28 127 (&spacc->ctx[ctx_id])->ncontig = 0; b37587c90bca57 Pavitrakumar M 2024-03-28 128 #ifdef CONFIG_CRYPTO_DEV_SPACC_SECURE_MODE b37587c90bca57 Pavitrakumar M 2024-03-28 129 /* TODO: This driver works in harmony with "normal" kernel b37587c90bca57 Pavitrakumar M 2024-03-28 130 * processes so we release the context all the time b37587c90bca57 Pavitrakumar M 2024-03-28 131 * normally this would be done from a "secure" kernel process b37587c90bca57 Pavitrakumar M 2024-03-28 132 * (trustzone/etc). This hack is so that SPACC.0 b37587c90bca57 Pavitrakumar M 2024-03-28 133 * cores can both use the same context space. b37587c90bca57 Pavitrakumar M 2024-03-28 134 */ b37587c90bca57 Pavitrakumar M 2024-03-28 @135 writel(ctx_id, spacc->regmap + SPACC_REG_SECURE_RELEASE); b37587c90bca57 Pavitrakumar M 2024-03-28 136 #endif b37587c90bca57 Pavitrakumar M 2024-03-28 137 } b37587c90bca57 Pavitrakumar M 2024-03-28 138 b37587c90bca57 Pavitrakumar M 2024-03-28 139 spin_unlock_irqrestore(&spacc->ctx_lock, lock_flag); b37587c90bca57 Pavitrakumar M 2024-03-28 140 b37587c90bca57 Pavitrakumar M 2024-03-28 141 return CRYPTO_OK; b37587c90bca57 Pavitrakumar M 2024-03-28 142 } b37587c90bca57 Pavitrakumar M 2024-03-28 143 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
