linux-kernel - Re: [PATCH v10 2/2] dmaengine: Loongson1: Add Loongson-1 APB DMA driver

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Message-ID: <202407280250.YTVHsCYs-lkp@intel.com>
Date: Sun, 28 Jul 2024 03:11:03 +0800
From: kernel test robot <lkp@...el.com>
To: Keguang Zhang via B4 Relay <devnull+keguang.zhang.gmail.com@...nel.org>,
	Keguang Zhang <keguang.zhang@...il.com>,
	Vinod Koul <vkoul@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-mips@...r.kernel.org, dmaengine@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	Jiaxun Yang <jiaxun.yang@...goat.com>
Subject: Re: [PATCH v10 2/2] dmaengine: Loongson1: Add Loongson-1 APB DMA
 driver

Hi Keguang,

kernel test robot noticed the following build errors:

[auto build test ERROR on 668d33c9ff922c4590c58754ab064aaf53c387dd]

url:    https://github.com/intel-lab-lkp/linux/commits/Keguang-Zhang-via-B4-Relay/dt-bindings-dma-Add-Loongson-1-APB-DMA/20240726-212659
base:   668d33c9ff922c4590c58754ab064aaf53c387dd
patch link:    https://lore.kernel.org/r/20240726-loongson1-dma-v10-2-31bf095a6fa6%40gmail.com
patch subject: [PATCH v10 2/2] dmaengine: Loongson1: Add Loongson-1 APB DMA driver
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20240728/202407280250.YTVHsCYs-lkp@intel.com/config)
compiler: clang version 18.1.5 (https://github.com/llvm/llvm-project 617a15a9eac96088ae5e9134248d8236e34b91b1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240728/202407280250.YTVHsCYs-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/202407280250.YTVHsCYs-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/dma/loongson1-apb-dma.c:58:3: error: requested alignment must be 4294967296 bytes or smaller
      58 | } __aligned(LS1X_DMA_LLI_ALIGNMENT);
         |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_attributes.h:33:56: note: expanded from macro '__aligned'
      33 | #define __aligned(x)                    __attribute__((__aligned__(x)))
         |                                                        ^           ~
   1 error generated.


vim +58 drivers/dma/loongson1-apb-dma.c

    53	
    54	struct ls1x_dma_lli {
    55		unsigned int hw[LS1X_DMADESC_SIZE];
    56		dma_addr_t phys;
    57		struct list_head node;
  > 58	} __aligned(LS1X_DMA_LLI_ALIGNMENT);
    59	

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