linux-kernel - Re: [PATCH 2/4] pwm: sun50i: Add H616 PWM support

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Message-ID: <202512062245.KFjCln1y-lkp@intel.com>
Date: Sat, 6 Dec 2025 22:24:34 +0800
From: kernel test robot <lkp@...el.com>
To: Richard Genoud <richard.genoud@...tlin.com>,
	Uwe Kleine-König <u.kleine-koenig@...libre.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Samuel Holland <samuel@...lland.org>,
	Philipp Zabel <p.zabel@...gutronix.de>
Cc: oe-kbuild-all@...ts.linux.dev,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	linux-pwm@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Richard Genoud <richard.genoud@...tlin.com>
Subject: Re: [PATCH 2/4] pwm: sun50i: Add H616 PWM support

Hi Richard,

kernel test robot noticed the following build errors:

[auto build test ERROR on 6987d58a9cbc5bd57c983baa514474a86c945d56]

url:    https://github.com/intel-lab-lkp/linux/commits/Richard-Genoud/dt-bindings-pwm-sunxi-add-PWM-controller-for-Allwinner-H616/20251205-214804
base:   6987d58a9cbc5bd57c983baa514474a86c945d56
patch link:    https://lore.kernel.org/r/20251205100239.1563353-3-richard.genoud%40bootlin.com
patch subject: [PATCH 2/4] pwm: sun50i: Add H616 PWM support
config: parisc-allyesconfig (https://download.01.org/0day-ci/archive/20251206/202512062245.KFjCln1y-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251206/202512062245.KFjCln1y-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/202512062245.KFjCln1y-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/pwm/pwm-sun50i-h616.c: In function 'h616_pwm_get_state':
>> drivers/pwm/pwm-sun50i-h616.c:76:41: error: implicit declaration of function 'FIELD_GET' [-Wimplicit-function-declaration]
      76 | #define PWM_REG_DUTY(reg)               FIELD_GET(PWM_DUTY_MASK, reg)
         |                                         ^~~~~~~~~
   drivers/pwm/pwm-sun50i-h616.c:452:30: note: in expansion of macro 'PWM_REG_DUTY'
     452 |         tmp = NSEC_PER_SEC * PWM_REG_DUTY(val);
         |                              ^~~~~~~~~~~~
   drivers/pwm/pwm-sun50i-h616.c: In function 'h616_pwm_calc':
>> drivers/pwm/pwm-sun50i-h616.c:79:41: error: implicit declaration of function 'FIELD_MAX' [-Wimplicit-function-declaration]
      79 | #define PWM_PERIOD_MAX                  FIELD_MAX(PWM_PERIOD_MASK)
         |                                         ^~~~~~~~~
   drivers/pwm/pwm-sun50i-h616.c:493:54: note: in expansion of macro 'PWM_PERIOD_MAX'
     493 |                 freq = div64_u64(NSEC_PER_SEC * (u64)PWM_PERIOD_MAX, period);
         |                                                      ^~~~~~~~~~~~~~
   drivers/pwm/pwm-sun50i-h616.c: In function 'h616_pwm_apply':
>> drivers/pwm/pwm-sun50i-h616.c:78:41: error: implicit declaration of function 'FIELD_PREP' [-Wimplicit-function-declaration]
      78 | #define PWM_DUTY(dty)                   FIELD_PREP(PWM_DUTY_MASK, dty)
         |                                         ^~~~~~~~~~
   drivers/pwm/pwm-sun50i-h616.c:577:23: note: in expansion of macro 'PWM_DUTY'
     577 |                 val = PWM_DUTY(chan->active_cycles);
         |                       ^~~~~~~~
   drivers/pwm/pwm-sun50i-h616.c: In function 'h616_add_composite_clk':
   drivers/pwm/pwm-sun50i-h616.c:666:28: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     666 |                 mux->reg = (u64)mux->reg + reg;
         |                            ^
   drivers/pwm/pwm-sun50i-h616.c:676:29: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     676 |                 gate->reg = (u64)gate->reg + reg;
         |                             ^
   drivers/pwm/pwm-sun50i-h616.c:686:29: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
     686 |                 rate->reg = (u64)rate->reg + reg;
         |                             ^


vim +/FIELD_GET +76 drivers/pwm/pwm-sun50i-h616.c

    70	
    71	/* PWM Period Register */
    72	#define PWM_PERIOD_REG(ch)		(0x64 + (ch) * 0x20)
    73	#define PWM_PERIOD_MASK			GENMASK(31, 16)
    74	#define PWM_DUTY_MASK			GENMASK(15, 0)
    75	#define PWM_REG_PERIOD(reg)		(FIELD_GET(PWM_PERIOD_MASK, reg) + 1)
  > 76	#define PWM_REG_DUTY(reg)		FIELD_GET(PWM_DUTY_MASK, reg)
    77	#define PWM_PERIOD(prd)			FIELD_PREP(PWM_PERIOD_MASK, (prd) - 1)
  > 78	#define PWM_DUTY(dty)			FIELD_PREP(PWM_DUTY_MASK, dty)
  > 79	#define PWM_PERIOD_MAX			FIELD_MAX(PWM_PERIOD_MASK)
    80	
    81	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki