linux-kernel - drivers/dma/ste_dma40.c:57: warning: Excess struct member 'dev_tx' description in 'stedma40_platform

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Message-ID: <202312171417.izbQThoU-lkp@intel.com>
Date: Sun, 17 Dec 2023 14:22:08 +0800
From: kernel test robot <lkp@...el.com>
To: Linus Walleij <linus.walleij@...aro.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	linux-kernel@...r.kernel.org, Vinod Koul <vkoul@...nel.org>
Subject: drivers/dma/ste_dma40.c:57: warning: Excess struct member 'dev_tx'
 description in 'stedma40_platform_data'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   3b8a9b2e6809d281890dd0a1102dc14d2cd11caf
commit: 42ae6f1695beed57958e7a2554e6d52dddc56e43 dmaengine: ste_dma40: Remove platform data
date:   7 months ago
config: arm-defconfig (https://download.01.org/0day-ci/archive/20231217/202312171417.izbQThoU-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231217/202312171417.izbQThoU-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/202312171417.izbQThoU-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/dma/ste_dma40.c:57: warning: Excess struct member 'dev_tx' description in 'stedma40_platform_data'
>> drivers/dma/ste_dma40.c:57: warning: Excess struct member 'dev_rx' description in 'stedma40_platform_data'
   drivers/dma/ste_dma40.c:151: warning: expecting prototype for enum 40_command. Prototype was for enum d40_command instead


vim +57 drivers/dma/ste_dma40.c

    30	
    31	/**
    32	 * struct stedma40_platform_data - Configuration struct for the dma device.
    33	 *
    34	 * @dev_tx: mapping between destination event line and io address
    35	 * @dev_rx: mapping between source event line and io address
    36	 * @disabled_channels: A vector, ending with -1, that marks physical channels
    37	 * that are for different reasons not available for the driver.
    38	 * @soft_lli_chans: A vector, that marks physical channels will use LLI by SW
    39	 * which avoids HW bug that exists in some versions of the controller.
    40	 * SoftLLI introduces relink overhead that could impact performace for
    41	 * certain use cases.
    42	 * @num_of_soft_lli_chans: The number of channels that needs to be configured
    43	 * to use SoftLLI.
    44	 * @use_esram_lcla: flag for mapping the lcla into esram region
    45	 * @num_of_memcpy_chans: The number of channels reserved for memcpy.
    46	 * @num_of_phy_chans: The number of physical channels implemented in HW.
    47	 * 0 means reading the number of channels from DMA HW but this is only valid
    48	 * for 'multiple of 4' channels, like 8.
    49	 */
    50	struct stedma40_platform_data {
    51		int				 disabled_channels[STEDMA40_MAX_PHYS];
    52		int				*soft_lli_chans;
    53		int				 num_of_soft_lli_chans;
    54		bool				 use_esram_lcla;
    55		int				 num_of_memcpy_chans;
    56		int				 num_of_phy_chans;
  > 57	};
    58	

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