Re: [RFC PATCH] driver core: platform: Call iommu_release_device in dma_cleanup

[kernel test robot <lkp@intel.com>]

Hi Sachin,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build errors:

[auto build test ERROR on driver-core/driver-core-testing]
[also build test ERROR on driver-core/driver-core-next driver-core/driver-core-linus linus/master v6.11-rc6 next-20240830]
[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/Sachin-Parekh/driver-core-platform-Call-iommu_release_device-in-dma_cleanup/20240829-200729
base:   driver-core/driver-core-testing
patch link:    https://lore.kernel.org/r/20240829120504.2976612-1-sachinparekh%40google.com
patch subject: [RFC PATCH] driver core: platform: Call iommu_release_device in dma_cleanup
config: openrisc-allnoconfig (https://download.01.org/0day-ci/archive/20240901/202409012112.6WITFrsU-lkp@intel.com/config)
compiler: or1k-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240901/202409012112.6WITFrsU-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
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409012112.6WITFrsU-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/base/platform.c: In function 'platform_dma_cleanup':
>> drivers/base/platform.c:1472:17: error: implicit declaration of function 'iommu_release_device'; did you mean 'iommu_detach_device'? [-Wimplicit-function-declaration]
    1472 |                 iommu_release_device(dev);
         |                 ^~~~~~~~~~~~~~~~~~~~
         |                 iommu_detach_device


vim +1472 drivers/base/platform.c

  1463	
  1464	static void platform_dma_cleanup(struct device *dev)
  1465	{
  1466		struct platform_driver *drv = to_platform_driver(dev->driver);
  1467	
  1468		if (!drv->driver_managed_dma)
  1469			iommu_device_unuse_default_domain(dev);
  1470	
  1471		if (dev_of_node(dev))
> 1472			iommu_release_device(dev);
  1473	}
  1474	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki