From: kernel test robot <lkp@intel•com>
To: Frank.Li@oss•nxp.com, Vinod Koul <vkoul@kernel•org>,
Dong Aisheng <aisheng.dong@nxp•com>,
Andi Shyti <andi.shyti@kernel•org>,
Shawn Guo <shawnguo@kernel•org>,
Sascha Hauer <s.hauer@pengutronix•de>,
Pengutronix Kernel Team <kernel@pengutronix•de>,
Fabio Estevam <festevam@gmail•com>
Cc: llvm@lists•linux.dev, oe-kbuild-all@lists•linux.dev,
dmaengine@vger•kernel.org, linux-kernel@vger•kernel.org,
linux-i2c@vger•kernel.org, imx@lists•linux.dev,
linux-arm-kernel@lists•infradead.org, carlos.song@nxp•com,
Frank Li <Frank.Li@nxp•com>
Subject: Re: [PATCH v2 2/2] i2c: imx-lpi2c: use dmaengine_prep_submit() to simple code
Date: Wed, 27 May 2026 00:22:41 +0200 [thread overview]
Message-ID: <202605270007.xFkhAWbC-lkp@intel.com> (raw)
In-Reply-To: <20260522-dma_prep_submit-v2-2-7a87a5a29525@nxp.com>
Hi Frank,
kernel test robot noticed the following build errors:
[auto build test ERROR on 8f0b4cce4481fb22653697cced8d0d04027cb1e8]
url: https://github.com/intel-lab-lkp/linux/commits/Frank-Li-oss-nxp-com/dmaengine-Add-helper-dmaengine_prep_submit_slave_single/20260523-041812
base: 8f0b4cce4481fb22653697cced8d0d04027cb1e8
patch link: https://lore.kernel.org/r/20260522-dma_prep_submit-v2-2-7a87a5a29525%40nxp.com
patch subject: [PATCH v2 2/2] i2c: imx-lpi2c: use dmaengine_prep_submit() to simple code
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20260527/202605270007.xFkhAWbC-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260527/202605270007.xFkhAWbC-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/202605270007.xFkhAWbC-lkp@intel.com/
All errors (new ones prefixed by >>):
In file included from net/core/dev.c:124:
>> include/linux/dmaengine.h:1588:48: error: expected ')'
1588 | dma_async_tx_callback cb, void *cb_param;
| ^
include/linux/dmaengine.h:1587:35: note: to match this '('
1587 | dmaengine_prep_submit_slave_single(struct dma_chan *chan,
| ^
>> include/linux/dmaengine.h:1587:1: error: conflicting types for 'dmaengine_prep_submit_slave_single'
1587 | dmaengine_prep_submit_slave_single(struct dma_chan *chan,
| ^
include/linux/dmaengine.h:994:1: note: previous declaration is here
994 | dmaengine_prep_submit_slave_single(struct dma_chan *chan,
| ^
>> include/linux/dmaengine.h:1589:24: error: redefinition of 'size_t' as different kind of symbol
1589 | dma_addr_t buf, size_t len,
| ^
include/linux/types.h:62:26: note: previous definition is here
62 | typedef __kernel_size_t size_t;
| ^
In file included from net/core/dev.c:124:
>> include/linux/dmaengine.h:1589:30: error: expected ';' after top level declarator
1589 | dma_addr_t buf, size_t len,
| ^
| ;
>> include/linux/dmaengine.h:1592:1: error: expected identifier or '('
1592 | {
| ^
5 errors generated.
vim +1588 include/linux/dmaengine.h
1585
1586 static inline dma_cookie_t
> 1587 dmaengine_prep_submit_slave_single(struct dma_chan *chan,
> 1588 dma_async_tx_callback cb, void *cb_param;
> 1589 dma_addr_t buf, size_t len,
1590 enum dma_transfer_direction dir,
1591 unsigned long flags);
> 1592 {
1593 return -ENODEV;
1594 }
1595 #endif
1596
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
prev parent reply other threads:[~2026-05-26 22:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-22 20:13 [PATCH v2 0/2] dmaengine: add helper macro dmaengine_prep_submit() Frank.Li
2026-05-22 20:13 ` [PATCH v2 1/2] dmaengine: Add helper dmaengine_prep_submit_slave_single() Frank.Li
2026-05-22 20:13 ` [PATCH v2 2/2] i2c: imx-lpi2c: use dmaengine_prep_submit() to simple code Frank.Li
2026-05-26 22:22 ` kernel test robot [this message]
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