drivers/memory/emif.c:70: warning: Function parameter or struct member 'lpmode' not described in 'emif_data'

[kernel test robot <lkp@intel.com>]

Hi Sergei,

First bad commit (maybe != root cause):

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   ca91b9500108d4cf083a635c2e11c884d5dd20ea
commit: ca7d8b980b67f133317525c4273e144116ee1ae5 memory: add Renesas RPC-IF driver
date:   4 years, 10 months ago
config: csky-randconfig-r053-20231127 (https://download.01.org/0day-ci/archive/20250430/202504300653.UsxspPy7-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 12.4.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250430/202504300653.UsxspPy7-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/202504300653.UsxspPy7-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/memory/emif.c:70: warning: Function parameter or struct member 'lpmode' not described in 'emif_data'
   drivers/memory/emif.c:70: warning: Function parameter or struct member 'irq_state' not described in 'emif_data'
   drivers/memory/emif.c:70: warning: Function parameter or struct member 'addressing' not described in 'emif_data'


vim +70 drivers/memory/emif.c

7ec944538dde3d7 Aneesh V 2012-04-27  30  
7ec944538dde3d7 Aneesh V 2012-04-27  31  /**
7ec944538dde3d7 Aneesh V 2012-04-27  32   * struct emif_data - Per device static data for driver's use
7ec944538dde3d7 Aneesh V 2012-04-27  33   * @duplicate:			Whether the DDR devices attached to this EMIF
7ec944538dde3d7 Aneesh V 2012-04-27  34   *				instance are exactly same as that on EMIF1. In
7ec944538dde3d7 Aneesh V 2012-04-27  35   *				this case we can save some memory and processing
7ec944538dde3d7 Aneesh V 2012-04-27  36   * @temperature_level:		Maximum temperature of LPDDR2 devices attached
7ec944538dde3d7 Aneesh V 2012-04-27  37   *				to this EMIF - read from MR4 register. If there
7ec944538dde3d7 Aneesh V 2012-04-27  38   *				are two devices attached to this EMIF, this
7ec944538dde3d7 Aneesh V 2012-04-27  39   *				value is the maximum of the two temperature
7ec944538dde3d7 Aneesh V 2012-04-27  40   *				levels.
7ec944538dde3d7 Aneesh V 2012-04-27  41   * @node:			node in the device list
7ec944538dde3d7 Aneesh V 2012-04-27  42   * @base:			base address of memory-mapped IO registers.
7ec944538dde3d7 Aneesh V 2012-04-27  43   * @dev:			device pointer.
a93de288aad3b04 Aneesh V 2012-04-27  44   * @addressing			table with addressing information from the spec
a93de288aad3b04 Aneesh V 2012-04-27  45   * @regs_cache:			An array of 'struct emif_regs' that stores
a93de288aad3b04 Aneesh V 2012-04-27  46   *				calculated register values for different
a93de288aad3b04 Aneesh V 2012-04-27  47   *				frequencies, to avoid re-calculating them on
a93de288aad3b04 Aneesh V 2012-04-27  48   *				each DVFS transition.
a93de288aad3b04 Aneesh V 2012-04-27  49   * @curr_regs:			The set of register values used in the last
a93de288aad3b04 Aneesh V 2012-04-27  50   *				frequency change (i.e. corresponding to the
a93de288aad3b04 Aneesh V 2012-04-27  51   *				frequency in effect at the moment)
7ec944538dde3d7 Aneesh V 2012-04-27  52   * @plat_data:			Pointer to saved platform data.
aac10aaa8cc65a6 Aneesh V 2012-04-27  53   * @debugfs_root:		dentry to the root folder for EMIF in debugfs
e6b42eb6a66c188 Aneesh V 2012-08-17  54   * @np_ddr:			Pointer to ddr device tree node
7ec944538dde3d7 Aneesh V 2012-04-27  55   */
7ec944538dde3d7 Aneesh V 2012-04-27  56  struct emif_data {
7ec944538dde3d7 Aneesh V 2012-04-27  57  	u8				duplicate;
7ec944538dde3d7 Aneesh V 2012-04-27  58  	u8				temperature_level;
a93de288aad3b04 Aneesh V 2012-04-27  59  	u8				lpmode;
7ec944538dde3d7 Aneesh V 2012-04-27  60  	struct list_head		node;
a93de288aad3b04 Aneesh V 2012-04-27  61  	unsigned long			irq_state;
7ec944538dde3d7 Aneesh V 2012-04-27  62  	void __iomem			*base;
7ec944538dde3d7 Aneesh V 2012-04-27  63  	struct device			*dev;
a93de288aad3b04 Aneesh V 2012-04-27  64  	const struct lpddr2_addressing	*addressing;
a93de288aad3b04 Aneesh V 2012-04-27  65  	struct emif_regs		*regs_cache[EMIF_MAX_NUM_FREQUENCIES];
a93de288aad3b04 Aneesh V 2012-04-27  66  	struct emif_regs		*curr_regs;
7ec944538dde3d7 Aneesh V 2012-04-27  67  	struct emif_platform_data	*plat_data;
aac10aaa8cc65a6 Aneesh V 2012-04-27  68  	struct dentry			*debugfs_root;
e6b42eb6a66c188 Aneesh V 2012-08-17  69  	struct device_node		*np_ddr;
7ec944538dde3d7 Aneesh V 2012-04-27 @70  };
7ec944538dde3d7 Aneesh V 2012-04-27  71  

:::::: The code at line 70 was first introduced by commit
:::::: 7ec944538dde3d7f490bd4d2619051789db5c3c3 memory: emif: add basic infrastructure for EMIF driver

:::::: TO: Aneesh V <aneesh@ti.com>
:::::: CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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