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Date: Sat, 13 Jan 2024 19:43:20 +0800
From: kernel test robot <lkp@...el.com>
To: Prabhakar <prabhakar.csengg@...il.com>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Magnus Damm <magnus.damm@...il.com>,
Linus Walleij <linus.walleij@...aro.org>
Cc: oe-kbuild-all@...ts.linux.dev, Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org,
linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-gpio@...r.kernel.org, Prabhakar <prabhakar.csengg@...il.com>,
Biju Das <biju.das.jz@...renesas.com>,
Claudiu Beznea <claudiu.beznea.uj@...renesas.com>,
Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH v4 2/4] pinctrl: renesas: rzg2l: Include pinmap in
RZG2L_GPIO_PORT_PACK() macro
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@...el.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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https://github.com/intel/lkp-tests/wiki
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