linux-kernel - Re: [PATCH v1 2/2] dmaengine: dw-edma: Add change to remove watermark interrupt enablement

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Message-ID: <202407061620.Z6kfeKgF-lkp@intel.com>
Date: Sat, 6 Jul 2024 16:33:17 +0800
From: kernel test robot <lkp@...el.com>
To: Mrinmay Sarkar <quic_msarkar@...cinc.com>,
	manivannan.sadhasivam@...aro.org, fancer.lancer@...il.com,
	vkoul@...nel.org
Cc: oe-kbuild-all@...ts.linux.dev, quic_shazhuss@...cinc.com,
	quic_nitegupt@...cinc.com, quic_ramkri@...cinc.com,
	quic_nayiluri@...cinc.com, quic_krichai@...cinc.com,
	quic_vbadigan@...cinc.com,
	Mrinmay Sarkar <quic_msarkar@...cinc.com>,
	dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 2/2] dmaengine: dw-edma: Add change to remove
 watermark interrupt enablement

Hi Mrinmay,

kernel test robot noticed the following build errors:

[auto build test ERROR on vkoul-dmaengine/next]
[also build test ERROR on mani-mhi/mhi-next linus/master v6.10-rc6 next-20240703]
[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/Mrinmay-Sarkar/dmaengine-dw-edma-Add-fix-to-unmask-the-interrupt-bit-for-HDMA/20240706-040233
base:   https://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine.git next
patch link:    https://lore.kernel.org/r/1720187733-5380-3-git-send-email-quic_msarkar%40quicinc.com
patch subject: [PATCH v1 2/2] dmaengine: dw-edma: Add change to remove watermark interrupt enablement
config: mips-allyesconfig (https://download.01.org/0day-ci/archive/20240706/202407061620.Z6kfeKgF-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240706/202407061620.Z6kfeKgF-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202407061620.Z6kfeKgF-lkp@intel.com/

All error/warnings (new ones prefixed by >>):

   arch/mips/kernel/head.o: in function `__kernel_entry':
>> (.text+0x0): relocation truncated to fit: R_MIPS_26 against `kernel_entry'
   arch/mips/kernel/head.o: in function `smp_bootstrap':
>> (.ref.text+0xd8): relocation truncated to fit: R_MIPS_26 against `start_secondary'
   init/main.o: in function `set_reset_devices':
   main.c:(.init.text+0x10): relocation truncated to fit: R_MIPS_26 against `_mcount'
   main.c:(.init.text+0x18): relocation truncated to fit: R_MIPS_26 against `__sanitizer_cov_trace_pc'
   init/main.o: in function `debug_kernel':
   main.c:(.init.text+0x50): relocation truncated to fit: R_MIPS_26 against `_mcount'
   main.c:(.init.text+0x58): relocation truncated to fit: R_MIPS_26 against `__sanitizer_cov_trace_pc'
   init/main.o: in function `quiet_kernel':
   main.c:(.init.text+0x90): relocation truncated to fit: R_MIPS_26 against `_mcount'
   main.c:(.init.text+0x98): relocation truncated to fit: R_MIPS_26 against `__sanitizer_cov_trace_pc'
   init/main.o: in function `warn_bootconfig':
   main.c:(.init.text+0xd0): relocation truncated to fit: R_MIPS_26 against `_mcount'
   main.c:(.init.text+0xd8): relocation truncated to fit: R_MIPS_26 against `__sanitizer_cov_trace_pc'
   init/main.o: in function `init_setup':
   main.c:(.init.text+0x108): additional relocation overflows omitted from the output
--
   drivers/dma/dw-edma/dw-hdma-v0-core.c: In function 'dw_hdma_v0_core_write_chunk':
>> drivers/dma/dw-edma/dw-hdma-v0-core.c:198:30: warning: unused variable 'chan' [-Wunused-variable]
     198 |         struct dw_edma_chan *chan = chunk->chan;
         |                              ^~~~


vim +/chan +198 drivers/dma/dw-edma/dw-hdma-v0-core.c

e74c39573d35e9 Cai Huoqing    2023-05-20  194  
e74c39573d35e9 Cai Huoqing    2023-05-20  195  static void dw_hdma_v0_core_write_chunk(struct dw_edma_chunk *chunk)
e74c39573d35e9 Cai Huoqing    2023-05-20  196  {
e74c39573d35e9 Cai Huoqing    2023-05-20  197  	struct dw_edma_burst *child;
e74c39573d35e9 Cai Huoqing    2023-05-20 @198  	struct dw_edma_chan *chan = chunk->chan;
e74c39573d35e9 Cai Huoqing    2023-05-20  199  	u32 control = 0, i = 0;
e74c39573d35e9 Cai Huoqing    2023-05-20  200  
e74c39573d35e9 Cai Huoqing    2023-05-20  201  	if (chunk->cb)
e74c39573d35e9 Cai Huoqing    2023-05-20  202  		control = DW_HDMA_V0_CB;
e74c39573d35e9 Cai Huoqing    2023-05-20  203  
882e8634dc8dd2 Mrinmay Sarkar 2024-07-05  204  	list_for_each_entry(child, &chunk->burst->list, list)
e74c39573d35e9 Cai Huoqing    2023-05-20  205  		dw_hdma_v0_write_ll_data(chunk, i++, control, child->sz,
e74c39573d35e9 Cai Huoqing    2023-05-20  206  					 child->sar, child->dar);
e74c39573d35e9 Cai Huoqing    2023-05-20  207  
e74c39573d35e9 Cai Huoqing    2023-05-20  208  	control = DW_HDMA_V0_LLP | DW_HDMA_V0_TCB;
e74c39573d35e9 Cai Huoqing    2023-05-20  209  	if (!chunk->cb)
e74c39573d35e9 Cai Huoqing    2023-05-20  210  		control |= DW_HDMA_V0_CB;
e74c39573d35e9 Cai Huoqing    2023-05-20  211  
e74c39573d35e9 Cai Huoqing    2023-05-20  212  	dw_hdma_v0_write_ll_link(chunk, i, control, chunk->ll_region.paddr);
e74c39573d35e9 Cai Huoqing    2023-05-20  213  }
e74c39573d35e9 Cai Huoqing    2023-05-20  214  

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