[PATCH v4 2/4] pinctrl: renesas: rzg2l: Include pinmap in RZG2L_GPIO_PORT_PACK() macro

kernel test robot lkp at intel.com
Sat Jan 13 03:43:20 PST 2024


Hi Prabhakar,

kernel test robot noticed the following build warnings:

[auto build test WARNING on geert-renesas-drivers/renesas-pinctrl]
[also build test WARNING on geert-renesas-devel/next linus/master v6.7]
[cannot apply to linusw-pinctrl/devel linusw-pinctrl/for-next next-20240112]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Prabhakar/pinctrl-renesas-rzg2l-Improve-code-for-readability/20240112-222833
base:   https://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers.git renesas-pinctrl
patch link:    https://lore.kernel.org/r/20240112142621.13525-3-prabhakar.mahadev-lad.rj%40bp.renesas.com
patch subject: [PATCH v4 2/4] pinctrl: renesas: rzg2l: Include pinmap in RZG2L_GPIO_PORT_PACK() macro
config: powerpc-randconfig-r081-20240113 (https://download.01.org/0day-ci/archive/20240113/202401131928.oie6xLjA-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240113/202401131928.oie6xLjA-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 at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202401131928.oie6xLjA-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/pinctrl/renesas/pinctrl-rzg2l.c:571:24: warning: shift count is negative [-Wshift-count-negative]
           u8 pinmap = FIELD_GET(PIN_CFG_PIN_MAP_MASK, cfg);
                       ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:83:31: note: expanded from macro 'PIN_CFG_PIN_MAP_MASK'
   #define PIN_CFG_PIN_MAP_MASK            GENMASK(35, 28)
                                           ^
   include/linux/bits.h:37:31: note: expanded from macro 'GENMASK'
           (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
                                        ^
   include/linux/bits.h:35:11: note: expanded from macro '__GENMASK'
            (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
                    ^
   note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:435:22: note: expanded from macro 'compiletime_assert'
           _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
           ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:423:23: note: expanded from macro '_compiletime_assert'
           __compiletime_assert(condition, msg, prefix, suffix)
           ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:415:9: note: expanded from macro '__compiletime_assert'
                   if (!(condition))                                       \
                         ^~~~~~~~~
>> drivers/pinctrl/renesas/pinctrl-rzg2l.c:571:24: warning: shift count is negative [-Wshift-count-negative]
           u8 pinmap = FIELD_GET(PIN_CFG_PIN_MAP_MASK, cfg);
                       ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:83:31: note: expanded from macro 'PIN_CFG_PIN_MAP_MASK'
   #define PIN_CFG_PIN_MAP_MASK            GENMASK(35, 28)
                                           ^
   include/linux/bits.h:37:31: note: expanded from macro 'GENMASK'
           (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
                                        ^
   include/linux/bits.h:35:11: note: expanded from macro '__GENMASK'
            (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
                    ^
   note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:435:22: note: expanded from macro 'compiletime_assert'
           _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
           ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:423:23: note: expanded from macro '_compiletime_assert'
           __compiletime_assert(condition, msg, prefix, suffix)
           ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:415:9: note: expanded from macro '__compiletime_assert'
                   if (!(condition))                                       \
                         ^~~~~~~~~
>> drivers/pinctrl/renesas/pinctrl-rzg2l.c:571:24: warning: shift count is negative [-Wshift-count-negative]
           u8 pinmap = FIELD_GET(PIN_CFG_PIN_MAP_MASK, cfg);
                       ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:83:31: note: expanded from macro 'PIN_CFG_PIN_MAP_MASK'
   #define PIN_CFG_PIN_MAP_MASK            GENMASK(35, 28)
                                           ^
   include/linux/bits.h:37:31: note: expanded from macro 'GENMASK'
           (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
                                        ^
   include/linux/bits.h:35:11: note: expanded from macro '__GENMASK'
            (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
                    ^
   note: (skipping 3 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:435:22: note: expanded from macro 'compiletime_assert'
           _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
           ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:423:23: note: expanded from macro '_compiletime_assert'
           __compiletime_assert(condition, msg, prefix, suffix)
           ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:415:9: note: expanded from macro '__compiletime_assert'
                   if (!(condition))                                       \
                         ^~~~~~~~~
>> drivers/pinctrl/renesas/pinctrl-rzg2l.c:571:24: warning: shift count is negative [-Wshift-count-negative]
           u8 pinmap = FIELD_GET(PIN_CFG_PIN_MAP_MASK, cfg);
                       ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:83:31: note: expanded from macro 'PIN_CFG_PIN_MAP_MASK'
   #define PIN_CFG_PIN_MAP_MASK            GENMASK(35, 28)
                                           ^
   include/linux/bits.h:37:31: note: expanded from macro 'GENMASK'
           (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
                                        ^
   include/linux/bits.h:35:11: note: expanded from macro '__GENMASK'
            (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
                    ^
   note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:435:22: note: expanded from macro 'compiletime_assert'
           _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
           ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:423:23: note: expanded from macro '_compiletime_assert'
           __compiletime_assert(condition, msg, prefix, suffix)
           ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:415:9: note: expanded from macro '__compiletime_assert'
                   if (!(condition))                                       \
                         ^~~~~~~~~
>> drivers/pinctrl/renesas/pinctrl-rzg2l.c:571:24: warning: shift count is negative [-Wshift-count-negative]
           u8 pinmap = FIELD_GET(PIN_CFG_PIN_MAP_MASK, cfg);
                       ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:83:31: note: expanded from macro 'PIN_CFG_PIN_MAP_MASK'
   #define PIN_CFG_PIN_MAP_MASK            GENMASK(35, 28)
                                           ^
   include/linux/bits.h:37:31: note: expanded from macro 'GENMASK'
           (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
                                        ^
   include/linux/bits.h:35:11: note: expanded from macro '__GENMASK'
            (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
                    ^
   note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:435:22: note: expanded from macro 'compiletime_assert'
           _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
           ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:423:23: note: expanded from macro '_compiletime_assert'
           __compiletime_assert(condition, msg, prefix, suffix)
           ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:415:9: note: expanded from macro '__compiletime_assert'
                   if (!(condition))                                       \
                         ^~~~~~~~~
>> drivers/pinctrl/renesas/pinctrl-rzg2l.c:571:24: warning: shift count is negative [-Wshift-count-negative]
           u8 pinmap = FIELD_GET(PIN_CFG_PIN_MAP_MASK, cfg);
                       ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:83:31: note: expanded from macro 'PIN_CFG_PIN_MAP_MASK'
   #define PIN_CFG_PIN_MAP_MASK            GENMASK(35, 28)
                                           ^
   include/linux/bits.h:37:31: note: expanded from macro 'GENMASK'
           (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
                                        ^
   include/linux/bits.h:35:11: note: expanded from macro '__GENMASK'
            (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
                    ^
   note: (skipping 5 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:435:22: note: expanded from macro 'compiletime_assert'
           _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
           ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:423:23: note: expanded from macro '_compiletime_assert'
           __compiletime_assert(condition, msg, prefix, suffix)
           ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:415:9: note: expanded from macro '__compiletime_assert'
                   if (!(condition))                                       \
                         ^~~~~~~~~
>> drivers/pinctrl/renesas/pinctrl-rzg2l.c:571:24: warning: shift count is negative [-Wshift-count-negative]
           u8 pinmap = FIELD_GET(PIN_CFG_PIN_MAP_MASK, cfg);
                       ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:83:31: note: expanded from macro 'PIN_CFG_PIN_MAP_MASK'
   #define PIN_CFG_PIN_MAP_MASK            GENMASK(35, 28)
                                           ^
   include/linux/bits.h:37:31: note: expanded from macro 'GENMASK'
           (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
                                        ^
   include/linux/bits.h:35:11: note: expanded from macro '__GENMASK'
            (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
                    ^
   note: (skipping 6 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:435:22: note: expanded from macro 'compiletime_assert'
           _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
           ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:423:23: note: expanded from macro '_compiletime_assert'
           __compiletime_assert(condition, msg, prefix, suffix)
           ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:415:9: note: expanded from macro '__compiletime_assert'
                   if (!(condition))                                       \
                         ^~~~~~~~~
>> drivers/pinctrl/renesas/pinctrl-rzg2l.c:571:24: warning: shift count is negative [-Wshift-count-negative]
           u8 pinmap = FIELD_GET(PIN_CFG_PIN_MAP_MASK, cfg);
                       ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:83:31: note: expanded from macro 'PIN_CFG_PIN_MAP_MASK'
   #define PIN_CFG_PIN_MAP_MASK            GENMASK(35, 28)
                                           ^
   include/linux/bits.h:37:31: note: expanded from macro 'GENMASK'
           (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
                                        ^
   include/linux/bits.h:35:11: note: expanded from macro '__GENMASK'
            (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
                    ^
   note: (skipping 5 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:435:22: note: expanded from macro 'compiletime_assert'
           _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
           ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:423:23: note: expanded from macro '_compiletime_assert'
           __compiletime_assert(condition, msg, prefix, suffix)
           ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:415:9: note: expanded from macro '__compiletime_assert'
                   if (!(condition))                                       \
                         ^~~~~~~~~
>> drivers/pinctrl/renesas/pinctrl-rzg2l.c:571:24: warning: shift count is negative [-Wshift-count-negative]
           u8 pinmap = FIELD_GET(PIN_CFG_PIN_MAP_MASK, cfg);
                       ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:83:31: note: expanded from macro 'PIN_CFG_PIN_MAP_MASK'
   #define PIN_CFG_PIN_MAP_MASK            GENMASK(35, 28)
                                           ^
   include/linux/bits.h:37:31: note: expanded from macro 'GENMASK'
           (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
                                        ^
   include/linux/bits.h:35:11: note: expanded from macro '__GENMASK'
            (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
                    ^
   note: (skipping 6 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:435:22: note: expanded from macro 'compiletime_assert'
           _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
           ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:423:23: note: expanded from macro '_compiletime_assert'
           __compiletime_assert(condition, msg, prefix, suffix)
           ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   include/linux/compiler_types.h:415:9: note: expanded from macro '__compiletime_assert'
                   if (!(condition))                                       \
                         ^~~~~~~~~
>> drivers/pinctrl/renesas/pinctrl-rzg2l.c:571:24: warning: shift count is negative [-Wshift-count-negative]
           u8 pinmap = FIELD_GET(PIN_CFG_PIN_MAP_MASK, cfg);
                       ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:83:31: note: expanded from macro 'PIN_CFG_PIN_MAP_MASK'
   #define PIN_CFG_PIN_MAP_MASK            GENMASK(35, 28)
                                           ^
   include/linux/bits.h:37:31: note: expanded from macro 'GENMASK'
           (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
                                        ^
   include/linux/bits.h:35:11: note: expanded from macro '__GENMASK'
            (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
                    ^
   include/linux/bitfield.h:155:30: note: expanded from macro 'FIELD_GET'
                   (typeof(_mask))(((_reg) & (_mask)) >> __bf_shf(_mask)); \
                                              ^~~~~
>> drivers/pinctrl/renesas/pinctrl-rzg2l.c:571:24: warning: shift count is negative [-Wshift-count-negative]
           u8 pinmap = FIELD_GET(PIN_CFG_PIN_MAP_MASK, cfg);
                       ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:83:31: note: expanded from macro 'PIN_CFG_PIN_MAP_MASK'
   #define PIN_CFG_PIN_MAP_MASK            GENMASK(35, 28)
                                           ^
   include/linux/bits.h:37:31: note: expanded from macro 'GENMASK'
           (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
                                        ^
   include/linux/bits.h:35:11: note: expanded from macro '__GENMASK'
            (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
                    ^
   include/linux/bitfield.h:155:50: note: expanded from macro 'FIELD_GET'
                   (typeof(_mask))(((_reg) & (_mask)) >> __bf_shf(_mask)); \
                                                         ~~~~~~~~~^~~~~~
   include/linux/bitfield.h:45:38: note: expanded from macro '__bf_shf'
   #define __bf_shf(x) (__builtin_ffsll(x) - 1)
                                        ^
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:1619:32: warning: shift count is negative [-Wshift-count-negative]
               bit >= hweight8(FIELD_GET(PIN_CFG_PIN_MAP_MASK, data->port_pin_configs[port])))
                      ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:83:31: note: expanded from macro 'PIN_CFG_PIN_MAP_MASK'
   #define PIN_CFG_PIN_MAP_MASK            GENMASK(35, 28)
                                           ^
   include/linux/bits.h:37:31: note: expanded from macro 'GENMASK'
           (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
                                        ^
   include/linux/bits.h:35:11: note: expanded from macro '__GENMASK'
            (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
                    ^
   note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:423:23: note: expanded from macro '_compiletime_assert'
           __compiletime_assert(condition, msg, prefix, suffix)
                                ^
   include/linux/compiler_types.h:415:9: note: expanded from macro '__compiletime_assert'
                   if (!(condition))                                       \
                         ^
   include/asm-generic/bitops/const_hweight.h:26:44: note: expanded from macro 'hweight8'
   #define hweight8(w)  (__builtin_constant_p(w) ? __const_hweight8(w)  : __arch_hweight8(w))
                                              ^
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:1619:32: warning: shift count is negative [-Wshift-count-negative]
               bit >= hweight8(FIELD_GET(PIN_CFG_PIN_MAP_MASK, data->port_pin_configs[port])))
                      ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:83:31: note: expanded from macro 'PIN_CFG_PIN_MAP_MASK'
   #define PIN_CFG_PIN_MAP_MASK            GENMASK(35, 28)
                                           ^
   include/linux/bits.h:37:31: note: expanded from macro 'GENMASK'
           (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
                                        ^
   include/linux/bits.h:35:11: note: expanded from macro '__GENMASK'
            (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
                    ^
   note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:423:23: note: expanded from macro '_compiletime_assert'
           __compiletime_assert(condition, msg, prefix, suffix)
                                ^
   include/linux/compiler_types.h:415:9: note: expanded from macro '__compiletime_assert'
                   if (!(condition))                                       \
                         ^
   include/asm-generic/bitops/const_hweight.h:26:44: note: expanded from macro 'hweight8'
   #define hweight8(w)  (__builtin_constant_p(w) ? __const_hweight8(w)  : __arch_hweight8(w))
                                              ^
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:1619:32: warning: shift count is negative [-Wshift-count-negative]
               bit >= hweight8(FIELD_GET(PIN_CFG_PIN_MAP_MASK, data->port_pin_configs[port])))
                      ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:83:31: note: expanded from macro 'PIN_CFG_PIN_MAP_MASK'
   #define PIN_CFG_PIN_MAP_MASK            GENMASK(35, 28)
                                           ^
   include/linux/bits.h:37:31: note: expanded from macro 'GENMASK'
           (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
                                        ^
   include/linux/bits.h:35:11: note: expanded from macro '__GENMASK'
            (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
                    ^
   note: (skipping 4 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:423:23: note: expanded from macro '_compiletime_assert'
           __compiletime_assert(condition, msg, prefix, suffix)
                                ^
   include/linux/compiler_types.h:415:9: note: expanded from macro '__compiletime_assert'
                   if (!(condition))                                       \
                         ^
   include/asm-generic/bitops/const_hweight.h:26:44: note: expanded from macro 'hweight8'
   #define hweight8(w)  (__builtin_constant_p(w) ? __const_hweight8(w)  : __arch_hweight8(w))
                                              ^
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:1619:32: warning: shift count is negative [-Wshift-count-negative]
               bit >= hweight8(FIELD_GET(PIN_CFG_PIN_MAP_MASK, data->port_pin_configs[port])))
                      ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/pinctrl/renesas/pinctrl-rzg2l.c:83:31: note: expanded from macro 'PIN_CFG_PIN_MAP_MASK'
   #define PIN_CFG_PIN_MAP_MASK            GENMASK(35, 28)
                                           ^
   include/linux/bits.h:37:31: note: expanded from macro 'GENMASK'
           (GENMASK_INPUT_CHECK(h, l) + __GENMASK(h, l))
                                        ^
   include/linux/bits.h:35:11: note: expanded from macro '__GENMASK'
            (~UL(0) >> (BITS_PER_LONG - 1 - (h))))
                    ^
   note: (skipping 5 expansions in backtrace; use -fmacro-backtrace-limit=0 to see all)
   include/linux/compiler_types.h:423:23: note: expanded from macro '_compiletime_assert'
           __compiletime_assert(condition, msg, prefix, suffix)
                                ^
   include/linux/compiler_types.h:415:9: note: expanded from macro '__compiletime_assert'


vim +571 drivers/pinctrl/renesas/pinctrl-rzg2l.c

   567	
   568	static int rzg2l_validate_gpio_pin(struct rzg2l_pinctrl *pctrl,
   569					   u64 cfg, u32 port, u8 bit)
   570	{
 > 571		u8 pinmap = FIELD_GET(PIN_CFG_PIN_MAP_MASK, cfg);
   572		u32 off = RZG2L_PIN_CFG_TO_PORT_OFFSET(cfg);
   573		u64 data;
   574	
   575		if (!(pinmap & BIT(bit)) || port >= pctrl->data->n_port_pins)
   576			return -EINVAL;
   577	
   578		data = pctrl->data->port_pin_configs[port];
   579		if (off != RZG2L_PIN_CFG_TO_PORT_OFFSET(data))
   580			return -EINVAL;
   581	
   582		return 0;
   583	}
   584	

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