linux-next: build warnings after merge of the clk tree

From: Stephen Rothwell
Date: Sun Feb 02 2020 - 17:16:49 EST

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Hi all,

After merging the clk tree, today's linux-next build (x86_64 allmodconfig)
produced these warnings:

In file included from include/linux/list.h:9,
from include/linux/kobject.h:19,
from include/linux/of.h:17,
from include/linux/clk-provider.h:9,
from drivers/clk/clk-plldig.c:8:
drivers/clk/clk-plldig.c: In function 'plldig_determine_rate':
include/linux/kernel.h:835:29: warning: comparison of distinct pointer types lacks a cast
835 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ^~
include/linux/kernel.h:849:4: note: in expansion of macro '__typecheck'
849 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~
include/linux/kernel.h:859:24: note: in expansion of macro '__safe_cmp'
859 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~
include/linux/kernel.h:868:19: note: in expansion of macro '__careful_cmp'
868 | #define min(x, y) __careful_cmp(x, y, <)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:28: note: in expansion of macro 'min'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
include/linux/kernel.h:849:4: note: in expansion of macro '__typecheck'
849 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~
include/linux/kernel.h:859:24: note: in expansion of macro '__safe_cmp'
859 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~
include/linux/kernel.h:875:19: note: in expansion of macro '__careful_cmp'
875 | #define max(x, y) __careful_cmp(x, y, >)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:45: note: in expansion of macro 'max'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
drivers/clk/clk-plldig.c:145:14: note: in expansion of macro 'clamp'
145 | req->rate = clamp(req->rate, PHI1_MIN_FREQ, PHI1_MAX_FREQ);
| ^~~~~
include/linux/kernel.h:835:29: warning: comparison of distinct pointer types lacks a cast
835 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ^~
include/linux/kernel.h:849:4: note: in expansion of macro '__typecheck'
849 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~
include/linux/kernel.h:859:24: note: in expansion of macro '__safe_cmp'
859 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~
include/linux/kernel.h:868:19: note: in expansion of macro '__careful_cmp'
868 | #define min(x, y) __careful_cmp(x, y, <)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:28: note: in expansion of macro 'min'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
drivers/clk/clk-plldig.c:145:14: note: in expansion of macro 'clamp'
145 | req->rate = clamp(req->rate, PHI1_MIN_FREQ, PHI1_MAX_FREQ);
| ^~~~~
include/linux/kernel.h:835:29: warning: comparison of distinct pointer types lacks a cast
835 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ^~
include/linux/kernel.h:843:48: note: in definition of macro '__is_constexpr'
843 | (sizeof(int) == sizeof(*(8 ? ((void *)((long)(x) * 0l)) : (int *)8)))
| ^
include/linux/kernel.h:849:25: note: in expansion of macro '__no_side_effects'
849 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~~~~~~~
include/linux/kernel.h:859:24: note: in expansion of macro '__safe_cmp'
859 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~
include/linux/kernel.h:868:19: note: in expansion of macro '__careful_cmp'
868 | #define min(x, y) __careful_cmp(x, y, <)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:28: note: in expansion of macro 'min'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
include/linux/kernel.h:849:4: note: in expansion of macro '__typecheck'
849 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~
include/linux/kernel.h:859:24: note: in expansion of macro '__safe_cmp'
859 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~
include/linux/kernel.h:875:19: note: in expansion of macro '__careful_cmp'
875 | #define max(x, y) __careful_cmp(x, y, >)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:45: note: in expansion of macro 'max'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
drivers/clk/clk-plldig.c:145:14: note: in expansion of macro 'clamp'
145 | req->rate = clamp(req->rate, PHI1_MIN_FREQ, PHI1_MAX_FREQ);
| ^~~~~
include/linux/kernel.h:835:29: warning: comparison of distinct pointer types lacks a cast
835 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ^~
include/linux/kernel.h:851:27: note: in definition of macro '__cmp'
851 | #define __cmp(x, y, op) ((x) op (y) ? (x) : (y))
| ^
include/linux/kernel.h:868:19: note: in expansion of macro '__careful_cmp'
868 | #define min(x, y) __careful_cmp(x, y, <)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:28: note: in expansion of macro 'min'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
include/linux/kernel.h:849:4: note: in expansion of macro '__typecheck'
849 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~
include/linux/kernel.h:859:24: note: in expansion of macro '__safe_cmp'
859 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~
include/linux/kernel.h:875:19: note: in expansion of macro '__careful_cmp'
875 | #define max(x, y) __careful_cmp(x, y, >)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:45: note: in expansion of macro 'max'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
drivers/clk/clk-plldig.c:145:14: note: in expansion of macro 'clamp'
145 | req->rate = clamp(req->rate, PHI1_MIN_FREQ, PHI1_MAX_FREQ);
| ^~~~~
include/linux/kernel.h:835:29: warning: comparison of distinct pointer types lacks a cast
835 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ^~
include/linux/kernel.h:851:40: note: in definition of macro '__cmp'
851 | #define __cmp(x, y, op) ((x) op (y) ? (x) : (y))
| ^
include/linux/kernel.h:868:19: note: in expansion of macro '__careful_cmp'
868 | #define min(x, y) __careful_cmp(x, y, <)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:28: note: in expansion of macro 'min'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
include/linux/kernel.h:849:4: note: in expansion of macro '__typecheck'
849 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~
include/linux/kernel.h:859:24: note: in expansion of macro '__safe_cmp'
859 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~
include/linux/kernel.h:875:19: note: in expansion of macro '__careful_cmp'
875 | #define max(x, y) __careful_cmp(x, y, >)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:45: note: in expansion of macro 'max'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
drivers/clk/clk-plldig.c:145:14: note: in expansion of macro 'clamp'
145 | req->rate = clamp(req->rate, PHI1_MIN_FREQ, PHI1_MAX_FREQ);
| ^~~~~
include/linux/kernel.h:835:29: warning: comparison of distinct pointer types lacks a cast
835 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ^~
include/linux/kernel.h:854:10: note: in definition of macro '__cmp_once'
854 | typeof(x) unique_x = (x); \
| ^
include/linux/kernel.h:868:19: note: in expansion of macro '__careful_cmp'
868 | #define min(x, y) __careful_cmp(x, y, <)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:28: note: in expansion of macro 'min'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
include/linux/kernel.h:849:4: note: in expansion of macro '__typecheck'
849 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~
include/linux/kernel.h:859:24: note: in expansion of macro '__safe_cmp'
859 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~
include/linux/kernel.h:875:19: note: in expansion of macro '__careful_cmp'
875 | #define max(x, y) __careful_cmp(x, y, >)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:45: note: in expansion of macro 'max'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
drivers/clk/clk-plldig.c:145:14: note: in expansion of macro 'clamp'
145 | req->rate = clamp(req->rate, PHI1_MIN_FREQ, PHI1_MAX_FREQ);
| ^~~~~
include/linux/kernel.h:835:29: warning: comparison of distinct pointer types lacks a cast
835 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ^~
include/linux/kernel.h:854:25: note: in definition of macro '__cmp_once'
854 | typeof(x) unique_x = (x); \
| ^
include/linux/kernel.h:868:19: note: in expansion of macro '__careful_cmp'
868 | #define min(x, y) __careful_cmp(x, y, <)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:28: note: in expansion of macro 'min'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
include/linux/kernel.h:849:4: note: in expansion of macro '__typecheck'
849 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~
include/linux/kernel.h:859:24: note: in expansion of macro '__safe_cmp'
859 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~
include/linux/kernel.h:875:19: note: in expansion of macro '__careful_cmp'
875 | #define max(x, y) __careful_cmp(x, y, >)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:45: note: in expansion of macro 'max'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
drivers/clk/clk-plldig.c:145:14: note: in expansion of macro 'clamp'
145 | req->rate = clamp(req->rate, PHI1_MIN_FREQ, PHI1_MAX_FREQ);
| ^~~~~
drivers/clk/clk-plldig.c: In function 'plldig_set_rate':
include/linux/kernel.h:835:29: warning: comparison of distinct pointer types lacks a cast
835 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ^~
include/linux/kernel.h:849:4: note: in expansion of macro '__typecheck'
849 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~
include/linux/kernel.h:859:24: note: in expansion of macro '__safe_cmp'
859 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~
include/linux/kernel.h:868:19: note: in expansion of macro '__careful_cmp'
868 | #define min(x, y) __careful_cmp(x, y, <)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:28: note: in expansion of macro 'min'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
include/linux/kernel.h:849:4: note: in expansion of macro '__typecheck'
849 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~
include/linux/kernel.h:859:24: note: in expansion of macro '__safe_cmp'
859 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~
include/linux/kernel.h:875:19: note: in expansion of macro '__careful_cmp'
875 | #define max(x, y) __careful_cmp(x, y, >)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:45: note: in expansion of macro 'max'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
drivers/clk/clk-plldig.c:159:9: note: in expansion of macro 'clamp'
159 | rate = clamp(rate, PHI1_MIN_FREQ, PHI1_MAX_FREQ);
| ^~~~~
include/linux/kernel.h:835:29: warning: comparison of distinct pointer types lacks a cast
835 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ^~
include/linux/kernel.h:849:4: note: in expansion of macro '__typecheck'
849 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~
include/linux/kernel.h:859:24: note: in expansion of macro '__safe_cmp'
859 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~
include/linux/kernel.h:868:19: note: in expansion of macro '__careful_cmp'
868 | #define min(x, y) __careful_cmp(x, y, <)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:28: note: in expansion of macro 'min'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
drivers/clk/clk-plldig.c:159:9: note: in expansion of macro 'clamp'
159 | rate = clamp(rate, PHI1_MIN_FREQ, PHI1_MAX_FREQ);
| ^~~~~
include/linux/kernel.h:835:29: warning: comparison of distinct pointer types lacks a cast
835 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ^~
include/linux/kernel.h:843:48: note: in definition of macro '__is_constexpr'
843 | (sizeof(int) == sizeof(*(8 ? ((void *)((long)(x) * 0l)) : (int *)8)))
| ^
include/linux/kernel.h:849:25: note: in expansion of macro '__no_side_effects'
849 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~~~~~~~
include/linux/kernel.h:859:24: note: in expansion of macro '__safe_cmp'
859 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~
include/linux/kernel.h:868:19: note: in expansion of macro '__careful_cmp'
868 | #define min(x, y) __careful_cmp(x, y, <)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:28: note: in expansion of macro 'min'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
include/linux/kernel.h:849:4: note: in expansion of macro '__typecheck'
849 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~
include/linux/kernel.h:859:24: note: in expansion of macro '__safe_cmp'
859 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~
include/linux/kernel.h:875:19: note: in expansion of macro '__careful_cmp'
875 | #define max(x, y) __careful_cmp(x, y, >)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:45: note: in expansion of macro 'max'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
drivers/clk/clk-plldig.c:159:9: note: in expansion of macro 'clamp'
159 | rate = clamp(rate, PHI1_MIN_FREQ, PHI1_MAX_FREQ);
| ^~~~~
include/linux/kernel.h:835:29: warning: comparison of distinct pointer types lacks a cast
835 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ^~
include/linux/kernel.h:851:27: note: in definition of macro '__cmp'
851 | #define __cmp(x, y, op) ((x) op (y) ? (x) : (y))
| ^
include/linux/kernel.h:868:19: note: in expansion of macro '__careful_cmp'
868 | #define min(x, y) __careful_cmp(x, y, <)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:28: note: in expansion of macro 'min'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
include/linux/kernel.h:849:4: note: in expansion of macro '__typecheck'
849 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~
include/linux/kernel.h:859:24: note: in expansion of macro '__safe_cmp'
859 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~
include/linux/kernel.h:875:19: note: in expansion of macro '__careful_cmp'
875 | #define max(x, y) __careful_cmp(x, y, >)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:45: note: in expansion of macro 'max'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
drivers/clk/clk-plldig.c:159:9: note: in expansion of macro 'clamp'
159 | rate = clamp(rate, PHI1_MIN_FREQ, PHI1_MAX_FREQ);
| ^~~~~
include/linux/kernel.h:835:29: warning: comparison of distinct pointer types lacks a cast
835 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ^~
include/linux/kernel.h:851:40: note: in definition of macro '__cmp'
851 | #define __cmp(x, y, op) ((x) op (y) ? (x) : (y))
| ^
include/linux/kernel.h:868:19: note: in expansion of macro '__careful_cmp'
868 | #define min(x, y) __careful_cmp(x, y, <)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:28: note: in expansion of macro 'min'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
include/linux/kernel.h:849:4: note: in expansion of macro '__typecheck'
849 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~
include/linux/kernel.h:859:24: note: in expansion of macro '__safe_cmp'
859 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~
include/linux/kernel.h:875:19: note: in expansion of macro '__careful_cmp'
875 | #define max(x, y) __careful_cmp(x, y, >)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:45: note: in expansion of macro 'max'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
drivers/clk/clk-plldig.c:159:9: note: in expansion of macro 'clamp'
159 | rate = clamp(rate, PHI1_MIN_FREQ, PHI1_MAX_FREQ);
| ^~~~~
include/linux/kernel.h:835:29: warning: comparison of distinct pointer types lacks a cast
835 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ^~
include/linux/kernel.h:854:10: note: in definition of macro '__cmp_once'
854 | typeof(x) unique_x = (x); \
| ^
include/linux/kernel.h:868:19: note: in expansion of macro '__careful_cmp'
868 | #define min(x, y) __careful_cmp(x, y, <)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:28: note: in expansion of macro 'min'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
include/linux/kernel.h:849:4: note: in expansion of macro '__typecheck'
849 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~
include/linux/kernel.h:859:24: note: in expansion of macro '__safe_cmp'
859 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~
include/linux/kernel.h:875:19: note: in expansion of macro '__careful_cmp'
875 | #define max(x, y) __careful_cmp(x, y, >)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:45: note: in expansion of macro 'max'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
drivers/clk/clk-plldig.c:159:9: note: in expansion of macro 'clamp'
159 | rate = clamp(rate, PHI1_MIN_FREQ, PHI1_MAX_FREQ);
| ^~~~~
include/linux/kernel.h:835:29: warning: comparison of distinct pointer types lacks a cast
835 | (!!(sizeof((typeof(x) *)1 == (typeof(y) *)1)))
| ^~
include/linux/kernel.h:854:25: note: in definition of macro '__cmp_once'
854 | typeof(x) unique_x = (x); \
| ^
include/linux/kernel.h:868:19: note: in expansion of macro '__careful_cmp'
868 | #define min(x, y) __careful_cmp(x, y, <)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:28: note: in expansion of macro 'min'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
include/linux/kernel.h:849:4: note: in expansion of macro '__typecheck'
849 | (__typecheck(x, y) && __no_side_effects(x, y))
| ^~~~~~~~~~~
include/linux/kernel.h:859:24: note: in expansion of macro '__safe_cmp'
859 | __builtin_choose_expr(__safe_cmp(x, y), \
| ^~~~~~~~~~
include/linux/kernel.h:875:19: note: in expansion of macro '__careful_cmp'
875 | #define max(x, y) __careful_cmp(x, y, >)
| ^~~~~~~~~~~~~
include/linux/kernel.h:912:45: note: in expansion of macro 'max'
912 | #define clamp(val, lo, hi) min((typeof(val))max(val, lo), hi)
| ^~~
drivers/clk/clk-plldig.c:159:9: note: in expansion of macro 'clamp'
159 | rate = clamp(rate, PHI1_MIN_FREQ, PHI1_MAX_FREQ);
| ^~~~~

Introduced by commit

d37010a3c162 ("clk: ls1028a: Add clock driver for Display output interface")

--
Cheers,
Stephen Rothwell

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