Hi Sudan, kernel test robot noticed the following build warnings: [auto build test WARNING on a4145ce1e7bc247fd6f2846e8699473448717b37] url: https://github.com/intel-lab-lkp/linux/commits/Sudan-Landge/virt-vmgenid-rearrange-code-to-make-review-easier/20240321-105317 base: a4145ce1e7bc247fd6f2846e8699473448717b37 patch link: https://lore.kernel.org/r/20240321025105.53210-5-sudanl%40amazon.com patch subject: [PATCH v2 4/4] virt: vmgenid: add support for devicetree bindings config: x86_64-randconfig-123-20240321 (https://download.01.org/0day-ci/archive/20240322/202403220322.EGtpD4Jw-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240322/202403220322.EGtpD4Jw-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/202403220322.EGtpD4Jw-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/virt/vmgenid.c:153:43: sparse: sparse: cast removes address space '__iomem' of expression vim +/__iomem +153 drivers/virt/vmgenid.c 133 134 static int vmgenid_add_of(struct device *dev, struct vmgenid_state *state) 135 { 136 #ifdef CONFIG_OF 137 struct resource res; 138 int ret = 0; 139 140 if (of_address_to_resource(dev->of_node, 0, &res)) { 141 dev_err(dev, "Failed to get resources from device tree"); 142 ret = -EINVAL; 143 goto out; 144 } 145 146 if (!__request_mem_region(res.start, resource_size(&res), 147 "vmgenid", IORESOURCE_EXCLUSIVE)) { 148 dev_err(dev, "Failed to request mem region"); 149 ret = -EINVAL; 150 goto out; 151 } 152 > 153 ret = setup_vmgenid_state(state, (u8 *)of_iomap(dev->of_node, 0)); 154 if (ret) 155 goto out; 156 157 state->irq = irq_of_parse_and_map(dev->of_node, 0); 158 dev->driver_data = state; 159 160 if (request_irq(state->irq, vmgenid_of_irq_handler, 161 IRQF_SHARED, "vmgenid", dev) < 0) { 162 dev_err(dev, "request_irq failed"); 163 dev->driver_data = NULL; 164 ret = -EINVAL; 165 goto out; 166 } 167 168 out: 169 return ret; 170 #else 171 (void)dev; 172 (void)state; 173 return -EINVAL; 174 #endif 175 } 176 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
