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    SubjectRe: [PATCH v2 5/6] regulator: mcp16502: add support for ramp delay
    Hi Claudiu,

    I love your patch! Yet something to improve:

    [auto build test ERROR on regulator/for-next]
    [also build test ERROR on linus/master linux/master v5.10-rc3 next-20201112]
    [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]

    url: https://github.com/0day-ci/linux/commits/Claudiu-Beznea/regulator-mcp16502-add-support-for-ramp-delay/20201111-170928
    base: https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git for-next
    config: nios2-randconfig-r034-20201111 (attached as .config)
    compiler: nios2-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://github.com/0day-ci/linux/commit/d97d6b70286fa3a28e744a55da1b7eb6a026cee3
    git remote add linux-review https://github.com/0day-ci/linux
    git fetch --no-tags linux-review Claudiu-Beznea/regulator-mcp16502-add-support-for-ramp-delay/20201111-170928
    git checkout d97d6b70286fa3a28e744a55da1b7eb6a026cee3
    # save the attached .config to linux build tree
    COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=nios2

    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 >>):

    In file included from include/asm-generic/bug.h:20,
    from ./arch/nios2/include/generated/asm/bug.h:1,
    from include/linux/bug.h:5,
    from include/linux/thread_info.h:12,
    from include/asm-generic/current.h:5,
    from ./arch/nios2/include/generated/asm/current.h:1,
    from include/linux/sched.h:12,
    from include/linux/ratelimit.h:6,
    from include/linux/dev_printk.h:16,
    from include/linux/device.h:15,
    from include/linux/gpio/driver.h:5,
    from include/asm-generic/gpio.h:11,
    from include/linux/gpio.h:62,
    from drivers/regulator/mcp16502.c:11:
    drivers/regulator/mcp16502.c: In function 'mcp16502_set_voltage_time_sel':
    >> drivers/regulator/mcp16502.c:295:54: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~~~~~
    include/linux/kernel.h:287:38: note: in definition of macro '__abs_choose_expr'
    287 | __builtin_types_compatible_p(typeof(x), signed type) || \
    | ^
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    drivers/regulator/mcp16502.c:296:47: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    296 | old_sel * rdev->desc->linear_ranges->uV_step);
    | ^~~~~~~
    include/linux/kernel.h:287:38: note: in definition of macro '__abs_choose_expr'
    287 | __builtin_types_compatible_p(typeof(x), signed type) || \
    | ^
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    >> drivers/regulator/mcp16502.c:295:54: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~~~~~
    include/linux/kernel.h:288:38: note: in definition of macro '__abs_choose_expr'
    288 | __builtin_types_compatible_p(typeof(x), unsigned type), \
    | ^
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    drivers/regulator/mcp16502.c:296:47: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    296 | old_sel * rdev->desc->linear_ranges->uV_step);
    | ^~~~~~~
    include/linux/kernel.h:288:38: note: in definition of macro '__abs_choose_expr'
    288 | __builtin_types_compatible_p(typeof(x), unsigned type), \
    | ^
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    >> drivers/regulator/mcp16502.c:295:54: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~~~~~
    include/linux/kernel.h:289:24: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    drivers/regulator/mcp16502.c:296:47: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    296 | old_sel * rdev->desc->linear_ranges->uV_step);
    | ^~~~~~~
    include/linux/kernel.h:289:24: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    >> drivers/regulator/mcp16502.c:295:54: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    drivers/regulator/mcp16502.c:296:47: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    296 | old_sel * rdev->desc->linear_ranges->uV_step);
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    >> drivers/regulator/mcp16502.c:295:54: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    drivers/regulator/mcp16502.c:296:47: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    296 | old_sel * rdev->desc->linear_ranges->uV_step);
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    >> drivers/regulator/mcp16502.c:295:54: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    drivers/regulator/mcp16502.c:296:47: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    296 | old_sel * rdev->desc->linear_ranges->uV_step);
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    >> drivers/regulator/mcp16502.c:295:54: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    drivers/regulator/mcp16502.c:296:47: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    296 | old_sel * rdev->desc->linear_ranges->uV_step);
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    >> drivers/regulator/mcp16502.c:295:54: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    drivers/regulator/mcp16502.c:296:47: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    296 | old_sel * rdev->desc->linear_ranges->uV_step);
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    >> drivers/regulator/mcp16502.c:295:54: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    drivers/regulator/mcp16502.c:296:47: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    296 | old_sel * rdev->desc->linear_ranges->uV_step);
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    >> drivers/regulator/mcp16502.c:295:54: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:279:3: note: in expansion of macro '__abs_choose_expr'
    279 | __abs_choose_expr(x, short, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    drivers/regulator/mcp16502.c:296:47: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    296 | old_sel * rdev->desc->linear_ranges->uV_step);
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:279:3: note: in expansion of macro '__abs_choose_expr'
    279 | __abs_choose_expr(x, short, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    >> drivers/regulator/mcp16502.c:295:54: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:279:3: note: in expansion of macro '__abs_choose_expr'
    279 | __abs_choose_expr(x, short, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    drivers/regulator/mcp16502.c:296:47: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    296 | old_sel * rdev->desc->linear_ranges->uV_step);
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:279:3: note: in expansion of macro '__abs_choose_expr'
    279 | __abs_choose_expr(x, short, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    >> drivers/regulator/mcp16502.c:295:54: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:279:3: note: in expansion of macro '__abs_choose_expr'
    279 | __abs_choose_expr(x, short, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    drivers/regulator/mcp16502.c:296:47: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    296 | old_sel * rdev->desc->linear_ranges->uV_step);
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:279:3: note: in expansion of macro '__abs_choose_expr'
    279 | __abs_choose_expr(x, short, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    >> drivers/regulator/mcp16502.c:295:54: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:279:3: note: in expansion of macro '__abs_choose_expr'
    279 | __abs_choose_expr(x, short, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:280:3: note: in expansion of macro '__abs_choose_expr'
    280 | __abs_choose_expr(x, char, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    drivers/regulator/mcp16502.c:296:47: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    296 | old_sel * rdev->desc->linear_ranges->uV_step);
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:279:3: note: in expansion of macro '__abs_choose_expr'
    279 | __abs_choose_expr(x, short, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:280:3: note: in expansion of macro '__abs_choose_expr'
    280 | __abs_choose_expr(x, char, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    >> drivers/regulator/mcp16502.c:295:54: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:279:3: note: in expansion of macro '__abs_choose_expr'
    279 | __abs_choose_expr(x, short, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:280:3: note: in expansion of macro '__abs_choose_expr'
    280 | __abs_choose_expr(x, char, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    drivers/regulator/mcp16502.c:296:47: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    296 | old_sel * rdev->desc->linear_ranges->uV_step);
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:279:3: note: in expansion of macro '__abs_choose_expr'
    279 | __abs_choose_expr(x, short, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:280:3: note: in expansion of macro '__abs_choose_expr'
    280 | __abs_choose_expr(x, char, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    >> drivers/regulator/mcp16502.c:295:54: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:279:3: note: in expansion of macro '__abs_choose_expr'
    279 | __abs_choose_expr(x, short, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:280:3: note: in expansion of macro '__abs_choose_expr'
    280 | __abs_choose_expr(x, char, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    drivers/regulator/mcp16502.c:296:47: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    296 | old_sel * rdev->desc->linear_ranges->uV_step);
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:279:3: note: in expansion of macro '__abs_choose_expr'
    279 | __abs_choose_expr(x, short, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:280:3: note: in expansion of macro '__abs_choose_expr'
    280 | __abs_choose_expr(x, char, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    >> drivers/regulator/mcp16502.c:295:54: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:279:3: note: in expansion of macro '__abs_choose_expr'
    279 | __abs_choose_expr(x, short, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:280:3: note: in expansion of macro '__abs_choose_expr'
    280 | __abs_choose_expr(x, char, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    drivers/regulator/mcp16502.c:296:47: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    296 | old_sel * rdev->desc->linear_ranges->uV_step);
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:279:3: note: in expansion of macro '__abs_choose_expr'
    279 | __abs_choose_expr(x, short, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:280:3: note: in expansion of macro '__abs_choose_expr'
    280 | __abs_choose_expr(x, char, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    >> drivers/regulator/mcp16502.c:295:54: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:279:3: note: in expansion of macro '__abs_choose_expr'
    279 | __abs_choose_expr(x, short, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:280:3: note: in expansion of macro '__abs_choose_expr'
    280 | __abs_choose_expr(x, char, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    drivers/regulator/mcp16502.c:296:47: error: 'const struct linear_range' has no member named 'uV_step'; did you mean 'step'?
    296 | old_sel * rdev->desc->linear_ranges->uV_step);
    | ^~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:279:3: note: in expansion of macro '__abs_choose_expr'
    279 | __abs_choose_expr(x, short, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:280:3: note: in expansion of macro '__abs_choose_expr'
    280 | __abs_choose_expr(x, char, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    >> include/linux/kernel.h:281:3: error: first argument to '__builtin_choose_expr' not a constant
    281 | __builtin_choose_expr( \
    | ^~~~~~~~~~~~~~~~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:279:3: note: in expansion of macro '__abs_choose_expr'
    279 | __abs_choose_expr(x, short, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:280:3: note: in expansion of macro '__abs_choose_expr'
    280 | __abs_choose_expr(x, char, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    include/linux/kernel.h:286:43: error: first argument to '__builtin_choose_expr' not a constant
    286 | #define __abs_choose_expr(x, type, other) __builtin_choose_expr( \
    | ^~~~~~~~~~~~~~~~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:279:3: note: in expansion of macro '__abs_choose_expr'
    279 | __abs_choose_expr(x, short, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:280:3: note: in expansion of macro '__abs_choose_expr'
    280 | __abs_choose_expr(x, char, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    include/linux/kernel.h:286:43: error: first argument to '__builtin_choose_expr' not a constant
    286 | #define __abs_choose_expr(x, type, other) __builtin_choose_expr( \
    | ^~~~~~~~~~~~~~~~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:279:3: note: in expansion of macro '__abs_choose_expr'
    279 | __abs_choose_expr(x, short, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    include/linux/kernel.h:286:43: error: first argument to '__builtin_choose_expr' not a constant
    286 | #define __abs_choose_expr(x, type, other) __builtin_choose_expr( \
    | ^~~~~~~~~~~~~~~~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    include/linux/kernel.h:278:3: note: in expansion of macro '__abs_choose_expr'
    278 | __abs_choose_expr(x, int, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    include/linux/kernel.h:286:43: error: first argument to '__builtin_choose_expr' not a constant
    286 | #define __abs_choose_expr(x, type, other) __builtin_choose_expr( \
    | ^~~~~~~~~~~~~~~~~~~~~
    include/linux/kernel.h:289:54: note: in definition of macro '__abs_choose_expr'
    289 | ({ signed type __x = (x); __x < 0 ? -__x : __x; }), other)
    | ^~~~~
    include/linux/kernel.h:277:3: note: in expansion of macro '__abs_choose_expr'
    277 | __abs_choose_expr(x, long, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~
    include/linux/kernel.h:286:43: error: first argument to '__builtin_choose_expr' not a constant
    286 | #define __abs_choose_expr(x, type, other) __builtin_choose_expr( \
    | ^~~~~~~~~~~~~~~~~~~~~
    include/linux/kernel.h:276:16: note: in expansion of macro '__abs_choose_expr'
    276 | #define abs(x) __abs_choose_expr(x, long long, \
    | ^~~~~~~~~~~~~~~~~
    drivers/regulator/mcp16502.c:295:13: note: in expansion of macro 'abs'
    295 | uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    | ^~~

    vim +295 drivers/regulator/mcp16502.c

    280
    281 static int mcp16502_set_voltage_time_sel(struct regulator_dev *rdev,
    282 unsigned int old_sel,
    283 unsigned int new_sel)
    284 {
    285 static const u8 us_ramp[] = { 8, 16, 24, 32 };
    286 int id = rdev_get_id(rdev);
    287 unsigned int uV_delta, val;
    288 int ret;
    289
    290 ret = regmap_read(rdev->regmap, MCP16502_REG_BASE(id, CFG), &val);
    291 if (ret)
    292 return ret;
    293
    294 val = (val & MCP16502_DVSR) >> 2;
    > 295 uV_delta = abs(new_sel * rdev->desc->linear_ranges->uV_step -
    296 old_sel * rdev->desc->linear_ranges->uV_step);
    297 switch (id) {
    298 case BUCK1:
    299 case LDO1:
    300 case LDO2:
    301 ret = DIV_ROUND_CLOSEST(uV_delta * us_ramp[val],
    302 mcp16502_ramp_b1l12[val]);
    303 break;
    304
    305 case BUCK2:
    306 case BUCK3:
    307 case BUCK4:
    308 ret = DIV_ROUND_CLOSEST(uV_delta * us_ramp[val],
    309 mcp16502_ramp_b234[val]);
    310 break;
    311
    312 default:
    313 return -EINVAL;
    314 }
    315
    316 return ret;
    317 }
    318

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