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charset=us-ascii Content-Disposition: inline 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 | 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 :::::: CC: Greg Kroah-Hartman -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki