[sashal-linux-stable:queue-5.4 89/95] drivers/i2c/busses/i2c-designware-master.c:115:21: error: 'I2C_MAX_FAST_MODE_FREQ' undeclared

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

[-- Attachment #1: Type: text/plain, Size: 6161 bytes --]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git queue-5.4
head:   b84a107dec4aa6399034076be0ce458238b783a6
commit: 66fe450f41911c42744942e0556ba774c3c28989 [89/95] i2c: designware: Adjust bus_freq_hz when refuse high speed mode set
config: sparc64-randconfig-r034-20210412 (attached as .config)
compiler: sparc64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git/commit/?id=66fe450f41911c42744942e0556ba774c3c28989
        git remote add sashal-linux-stable https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git
        git fetch --no-tags sashal-linux-stable queue-5.4
        git checkout 66fe450f41911c42744942e0556ba774c3c28989
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   drivers/i2c/busses/i2c-designware-master.c: In function 'i2c_dw_set_timings_master':
>> drivers/i2c/busses/i2c-designware-master.c:115:21: error: 'I2C_MAX_FAST_MODE_FREQ' undeclared (first use in this function)
     115 |    t->bus_freq_hz = I2C_MAX_FAST_MODE_FREQ;
         |                     ^~~~~~~~~~~~~~~~~~~~~~
   drivers/i2c/busses/i2c-designware-master.c:115:21: note: each undeclared identifier is reported only once for each function it appears in

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for FRAME_POINTER
   Depends on DEBUG_KERNEL && (M68K || UML || SUPERH) || ARCH_WANT_FRAME_POINTERS || MCOUNT
   Selected by
   - LOCKDEP && DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT && !MIPS && !PPC && !ARM && !S390 && !MICROBLAZE && !ARC && !X86


vim +/I2C_MAX_FAST_MODE_FREQ +115 drivers/i2c/busses/i2c-designware-master.c

    34	
    35	static int i2c_dw_set_timings_master(struct dw_i2c_dev *dev)
    36	{
    37		const char *mode_str, *fp_str = "";
    38		u32 comp_param1;
    39		u32 sda_falling_time, scl_falling_time;
    40		struct i2c_timings *t = &dev->timings;
    41		u32 ic_clk;
    42		int ret;
    43	
    44		ret = i2c_dw_acquire_lock(dev);
    45		if (ret)
    46			return ret;
    47		comp_param1 = dw_readl(dev, DW_IC_COMP_PARAM_1);
    48		i2c_dw_release_lock(dev);
    49	
    50		/* Set standard and fast speed dividers for high/low periods */
    51		sda_falling_time = t->sda_fall_ns ?: 300; /* ns */
    52		scl_falling_time = t->scl_fall_ns ?: 300; /* ns */
    53	
    54		/* Calculate SCL timing parameters for standard mode if not set */
    55		if (!dev->ss_hcnt || !dev->ss_lcnt) {
    56			ic_clk = i2c_dw_clk_rate(dev);
    57			dev->ss_hcnt =
    58				i2c_dw_scl_hcnt(ic_clk,
    59						4000,	/* tHD;STA = tHIGH = 4.0 us */
    60						sda_falling_time,
    61						0,	/* 0: DW default, 1: Ideal */
    62						0);	/* No offset */
    63			dev->ss_lcnt =
    64				i2c_dw_scl_lcnt(ic_clk,
    65						4700,	/* tLOW = 4.7 us */
    66						scl_falling_time,
    67						0);	/* No offset */
    68		}
    69		dev_dbg(dev->dev, "Standard Mode HCNT:LCNT = %d:%d\n",
    70			dev->ss_hcnt, dev->ss_lcnt);
    71	
    72		/*
    73		 * Set SCL timing parameters for fast mode or fast mode plus. Only
    74		 * difference is the timing parameter values since the registers are
    75		 * the same.
    76		 */
    77		if (t->bus_freq_hz == 1000000) {
    78			/*
    79			 * Check are fast mode plus parameters available and use
    80			 * fast mode if not.
    81			 */
    82			if (dev->fp_hcnt && dev->fp_lcnt) {
    83				dev->fs_hcnt = dev->fp_hcnt;
    84				dev->fs_lcnt = dev->fp_lcnt;
    85				fp_str = " Plus";
    86			}
    87		}
    88		/*
    89		 * Calculate SCL timing parameters for fast mode if not set. They are
    90		 * needed also in high speed mode.
    91		 */
    92		if (!dev->fs_hcnt || !dev->fs_lcnt) {
    93			ic_clk = i2c_dw_clk_rate(dev);
    94			dev->fs_hcnt =
    95				i2c_dw_scl_hcnt(ic_clk,
    96						600,	/* tHD;STA = tHIGH = 0.6 us */
    97						sda_falling_time,
    98						0,	/* 0: DW default, 1: Ideal */
    99						0);	/* No offset */
   100			dev->fs_lcnt =
   101				i2c_dw_scl_lcnt(ic_clk,
   102						1300,	/* tLOW = 1.3 us */
   103						scl_falling_time,
   104						0);	/* No offset */
   105		}
   106		dev_dbg(dev->dev, "Fast Mode%s HCNT:LCNT = %d:%d\n",
   107			fp_str, dev->fs_hcnt, dev->fs_lcnt);
   108	
   109		/* Check is high speed possible and fall back to fast mode if not */
   110		if ((dev->master_cfg & DW_IC_CON_SPEED_MASK) ==
   111			DW_IC_CON_SPEED_HIGH) {
   112			if ((comp_param1 & DW_IC_COMP_PARAM_1_SPEED_MODE_MASK)
   113				!= DW_IC_COMP_PARAM_1_SPEED_MODE_HIGH) {
   114				dev_err(dev->dev, "High Speed not supported!\n");
 > 115				t->bus_freq_hz = I2C_MAX_FAST_MODE_FREQ;
   116				dev->master_cfg &= ~DW_IC_CON_SPEED_MASK;
   117				dev->master_cfg |= DW_IC_CON_SPEED_FAST;
   118				dev->hs_hcnt = 0;
   119				dev->hs_lcnt = 0;
   120			} else if (dev->hs_hcnt && dev->hs_lcnt) {
   121				dev_dbg(dev->dev, "High Speed Mode HCNT:LCNT = %d:%d\n",
   122					dev->hs_hcnt, dev->hs_lcnt);
   123			}
   124		}
   125	
   126		ret = i2c_dw_set_sda_hold(dev);
   127		if (ret)
   128			goto out;
   129	
   130		switch (dev->master_cfg & DW_IC_CON_SPEED_MASK) {
   131		case DW_IC_CON_SPEED_STD:
   132			mode_str = "Standard Mode";
   133			break;
   134		case DW_IC_CON_SPEED_HIGH:
   135			mode_str = "High Speed Mode";
   136			break;
   137		default:
   138			mode_str = "Fast Mode";
   139		}
   140		dev_dbg(dev->dev, "Bus speed: %s%s\n", mode_str, fp_str);
   141	
   142	out:
   143		return ret;
   144	}
   145	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 24491 bytes --]