Re: [PATCH] RDMA/usnic: Refactor usnic_uiom_alloc_pd()

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

Hi Robin,

I love your patch! Yet something to improve:

[auto build test ERROR on rdma/for-next]
[also build test ERROR on v5.18-rc1 next-20220406]
[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]

url:    https://github.com/intel-lab-lkp/linux/commits/Robin-Murphy/RDMA-usnic-Refactor-usnic_uiom_alloc_pd/20220406-133657
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next
config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220407/202204070316.vOzwORw5-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.2.0-19) 11.2.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/0aa6215010a083081b26ccb23d0aa2b4089bbbfd
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Robin-Murphy/RDMA-usnic-Refactor-usnic_uiom_alloc_pd/20220406-133657
        git checkout 0aa6215010a083081b26ccb23d0aa2b4089bbbfd
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   drivers/infiniband/hw/usnic/usnic_uiom.c: In function 'usnic_uiom_init':
>> drivers/infiniband/hw/usnic/usnic_uiom.c:561:29: error: 'pci_bus_type' undeclared (first use in this function); did you mean 'bus_type'?
     561 |         if (!iommu_present(&pci_bus_type)) {
         |                             ^~~~~~~~~~~~
         |                             bus_type
   drivers/infiniband/hw/usnic/usnic_uiom.c:561:29: note: each undeclared identifier is reported only once for each function it appears in


vim +561 drivers/infiniband/hw/usnic/usnic_uiom.c

e3cf00d0a87f02 Upinder Malhi 2013-09-10  558  
e3cf00d0a87f02 Upinder Malhi 2013-09-10  559  int usnic_uiom_init(char *drv_name)
e3cf00d0a87f02 Upinder Malhi 2013-09-10  560  {
e3cf00d0a87f02 Upinder Malhi 2013-09-10 @561  	if (!iommu_present(&pci_bus_type)) {

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