Hi Ville, kernel test robot noticed the following build warnings:
[auto build test WARNING on next-20241003] [cannot apply to shawnguo/for-next linus/master rmk-arm/drm-armada-devel rmk-arm/drm-armada-fixes v6.12-rc1 v6.11 v6.11-rc7 v6.12-rc2] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Ville-Syrjala/drm-tilcdc-Allow-build-without-__iowmb/20241003-192043 base: next-20241003 patch link: https://lore.kernel.org/r/20241003111851.10453-6-ville.syrjala%40linux.intel.com patch subject: [PATCH v2 05/10] drm/armada: Allow build with COMPILE_TEST=y config: csky-randconfig-r121-20241006 (https://download.01.org/0day-ci/archive/20241007/202410070736.gtekje6r-...@intel.com/config) compiler: csky-linux-gcc (GCC) 14.1.0 reproduce: (https://download.01.org/0day-ci/archive/20241007/202410070736.gtekje6r-...@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 | Reported-by: kernel test robot <l...@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202410070736.gtekje6r-...@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/armada/armada_gem.c:63:37: sparse: sparse: incorrect type in >> argument 1 (different address spaces) @@ expected void volatile >> [noderef] __iomem *addr @@ got void *addr @@ drivers/gpu/drm/armada/armada_gem.c:63:37: sparse: expected void volatile [noderef] __iomem *addr drivers/gpu/drm/armada/armada_gem.c:63:37: sparse: got void *addr drivers/gpu/drm/armada/armada_gem.c:185:28: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *addr @@ got void [noderef] __iomem * @@ drivers/gpu/drm/armada/armada_gem.c:185:28: sparse: expected void *addr drivers/gpu/drm/armada/armada_gem.c:185:28: sparse: got void [noderef] __iomem * vim +63 drivers/gpu/drm/armada/armada_gem.c 96f60e37dc6609 Russell King 2012-08-15 40 96f60e37dc6609 Russell King 2012-08-15 41 void armada_gem_free_object(struct drm_gem_object *obj) 96f60e37dc6609 Russell King 2012-08-15 42 { 96f60e37dc6609 Russell King 2012-08-15 43 struct armada_gem_object *dobj = drm_to_armada_gem(obj); dad75a5208ec88 Simona Vetter 2020-09-04 44 struct armada_private *priv = drm_to_armada_dev(obj->dev); 96f60e37dc6609 Russell King 2012-08-15 45 96f60e37dc6609 Russell King 2012-08-15 46 DRM_DEBUG_DRIVER("release obj %p\n", dobj); 96f60e37dc6609 Russell King 2012-08-15 47 96f60e37dc6609 Russell King 2012-08-15 48 drm_gem_free_mmap_offset(&dobj->obj); 96f60e37dc6609 Russell King 2012-08-15 49 0b8ebeacf5ef43 Simona Vetter 2015-11-24 50 might_lock(&priv->linear_lock); 0b8ebeacf5ef43 Simona Vetter 2015-11-24 51 96f60e37dc6609 Russell King 2012-08-15 52 if (dobj->page) { 96f60e37dc6609 Russell King 2012-08-15 53 /* page backed memory */ 96f60e37dc6609 Russell King 2012-08-15 54 unsigned int order = get_order(dobj->obj.size); 96f60e37dc6609 Russell King 2012-08-15 55 __free_pages(dobj->page, order); 96f60e37dc6609 Russell King 2012-08-15 56 } else if (dobj->linear) { 96f60e37dc6609 Russell King 2012-08-15 57 /* linear backed memory */ 0b8ebeacf5ef43 Simona Vetter 2015-11-24 58 mutex_lock(&priv->linear_lock); 96f60e37dc6609 Russell King 2012-08-15 59 drm_mm_remove_node(dobj->linear); 0b8ebeacf5ef43 Simona Vetter 2015-11-24 60 mutex_unlock(&priv->linear_lock); 96f60e37dc6609 Russell King 2012-08-15 61 kfree(dobj->linear); 96f60e37dc6609 Russell King 2012-08-15 62 if (dobj->addr) 96f60e37dc6609 Russell King 2012-08-15 @63 iounmap(dobj->addr); 96f60e37dc6609 Russell King 2012-08-15 64 } 96f60e37dc6609 Russell King 2012-08-15 65 96f60e37dc6609 Russell King 2012-08-15 66 if (dobj->obj.import_attach) { 96f60e37dc6609 Russell King 2012-08-15 67 /* We only ever display imported data */ 0481c8c47f5e85 Russell King 2015-06-15 68 if (dobj->sgt) e4ea542846d0ef Dmitry Osipenko 2022-10-17 69 dma_buf_unmap_attachment_unlocked(dobj->obj.import_attach, 0481c8c47f5e85 Russell King 2015-06-15 70 dobj->sgt, DMA_TO_DEVICE); 96f60e37dc6609 Russell King 2012-08-15 71 drm_prime_gem_destroy(&dobj->obj, NULL); 96f60e37dc6609 Russell King 2012-08-15 72 } 96f60e37dc6609 Russell King 2012-08-15 73 96f60e37dc6609 Russell King 2012-08-15 74 drm_gem_object_release(&dobj->obj); 96f60e37dc6609 Russell King 2012-08-15 75 96f60e37dc6609 Russell King 2012-08-15 76 kfree(dobj); 96f60e37dc6609 Russell King 2012-08-15 77 } 96f60e37dc6609 Russell King 2012-08-15 78 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
