Re: [PATCH v7 4/6] dmaengine: ae4dma: Register AE4DMA using pt_dmaengine_register

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

Hi Basavaraj,

kernel test robot noticed the following build errors:

[auto build test ERROR on vkoul-dmaengine/next]
[also build test ERROR on linus/master v6.12-rc4 next-20241024]
[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/Basavaraj-Natikar/dmaengine-Move-AMD-PTDMA-driver-to-amd-directory/20241023-203903
base:   https://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine.git next
patch link:    https://lore.kernel.org/r/20241023123613.710671-5-Basavaraj.Natikar%40amd.com
patch subject: [PATCH v7 4/6] dmaengine: ae4dma: Register AE4DMA using pt_dmaengine_register
config: x86_64-buildonly-randconfig-003-20241025 (https://download.01.org/0day-ci/archive/20241025/202410250904.txsoe5RZ-lkp@intel.com/config)
compiler: clang version 19.1.2 (https://github.com/llvm/llvm-project 7ba7d8e2f7b6445b60679da826210cdde29eaf8b)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241025/202410250904.txsoe5RZ-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/202410250904.txsoe5RZ-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/dma/amd/ptdma/ptdma-dmaengine.c:12:
   In file included from drivers/dma/amd/ptdma/ptdma.h:17:
   In file included from include/linux/dmaengine.h:12:
   In file included from include/linux/scatterlist.h:8:
   In file included from include/linux/mm.h:2213:
   include/linux/vmstat.h:518:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     518 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
>> drivers/dma/amd/ptdma/ptdma-dmaengine.c:115:13: error: call to undeclared function 'FIELD_GET'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     115 |         bool soc = FIELD_GET(DWORD0_SOC, desc->dwouv.dw0);
         |                    ^
>> drivers/dma/amd/ptdma/ptdma-dmaengine.c:119:22: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     119 |                 desc->dwouv.dw0 |= FIELD_PREP(DWORD0_IOC, desc->dwouv.dw0);
         |                                    ^
   1 warning and 2 errors generated.


vim +/FIELD_GET +115 drivers/dma/amd/ptdma/ptdma-dmaengine.c

   112	
   113	static int ae4_core_execute_cmd(struct ae4dma_desc *desc, struct ae4_cmd_queue *ae4cmd_q)
   114	{
 > 115		bool soc = FIELD_GET(DWORD0_SOC, desc->dwouv.dw0);
   116		struct pt_cmd_queue *cmd_q = &ae4cmd_q->cmd_q;
   117	
   118		if (soc) {
 > 119			desc->dwouv.dw0 |= FIELD_PREP(DWORD0_IOC, desc->dwouv.dw0);
   120			desc->dwouv.dw0 &= ~DWORD0_SOC;
   121		}
   122	
   123		mutex_lock(&ae4cmd_q->cmd_lock);
   124		memcpy(&cmd_q->qbase[ae4cmd_q->tail_wi], desc, sizeof(struct ae4dma_desc));
   125		ae4cmd_q->q_cmd_count++;
   126		ae4cmd_q->tail_wi = (ae4cmd_q->tail_wi + 1) % CMD_Q_LEN;
   127		writel(ae4cmd_q->tail_wi, cmd_q->reg_control + AE4_WR_IDX_OFF);
   128		mutex_unlock(&ae4cmd_q->cmd_lock);
   129	
   130		wake_up(&ae4cmd_q->q_w);
   131	
   132		return 0;
   133	}
   134	

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