[PATCH 1/5] soc: mediatek: Use pkt_write function pointer for subsys ID compatibility

kernel test robot lkp at intel.com
Sat Nov 1 04:06:56 PDT 2025


Hi Jason-JH,

kernel test robot noticed the following build errors:

[auto build test ERROR on linuxtv-media-pending/master]
[also build test ERROR on media-tree/master linus/master v6.18-rc3 next-20251031]
[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/Jason-JH-Lin/soc-mediatek-Use-pkt_write-function-pointer-for-subsys-ID-compatibility/20251101-000555
base:   https://git.linuxtv.org/media-ci/media-pending.git master
patch link:    https://lore.kernel.org/r/20251031160309.1654761-2-jason-jh.lin%40mediatek.com
patch subject: [PATCH 1/5] soc: mediatek: Use pkt_write function pointer for subsys ID compatibility
config: powerpc64-randconfig-r063-20251101 (https://download.01.org/0day-ci/archive/20251101/202511011822.Vn6fsvGr-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251101/202511011822.Vn6fsvGr-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202511011822.Vn6fsvGr-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/soc/mediatek/mtk-mmsys.c:170:26: error: no member named 'pkt_write_mask' in 'struct cmdq_client_reg'
     170 |                 ret = mmsys->cmdq_base.pkt_write_mask(cmdq_pkt,
         |                       ~~~~~~~~~~~~~~~~ ^
>> drivers/soc/mediatek/mtk-mmsys.c:172:30: error: no member named 'pa_base' in 'struct cmdq_client_reg'
     172 |                                                       mmsys->cmdq_base.pa_base,
         |                                                       ~~~~~~~~~~~~~~~~ ^
   2 errors generated.
--
>> drivers/soc/mediatek/mtk-mutex.c:1002:16: error: no member named 'pkt_write' in 'struct cmdq_client_reg'
    1002 |         mtx->cmdq_reg.pkt_write(cmdq_pkt, mtx->cmdq_reg.subsys, en_addr, en_addr, 1);
         |         ~~~~~~~~~~~~~ ^
   1 error generated.


vim +170 drivers/soc/mediatek/mtk-mmsys.c

   162	
   163	static void mtk_mmsys_update_bits(struct mtk_mmsys *mmsys, u32 offset, u32 mask, u32 val,
   164					  struct cmdq_pkt *cmdq_pkt)
   165	{
   166		int ret;
   167		u32 tmp;
   168	
   169		if (mmsys->cmdq_base.size && cmdq_pkt) {
 > 170			ret = mmsys->cmdq_base.pkt_write_mask(cmdq_pkt,
   171							      mmsys->cmdq_base.subsys,
 > 172							      mmsys->cmdq_base.pa_base,
   173							      mmsys->cmdq_base.offset + offset,
   174							      val, mask);
   175			if (ret)
   176				pr_debug("CMDQ unavailable: using CPU write\n");
   177			else
   178				return;
   179		}
   180		tmp = readl_relaxed(mmsys->regs + offset);
   181		tmp = (tmp & ~mask) | (val & mask);
   182		writel_relaxed(tmp, mmsys->regs + offset);
   183	}
   184	

-- 
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https://github.com/intel/lkp-tests/wiki



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