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Date: Tue, 27 Sep 2022 12:49:50 +0800
From: kernel test robot <lkp@...el.com>
To: Miquel Raynal <miquel.raynal@...tlin.com>
Cc: kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: drivers/mfd/atmel-smc.c:329:34: warning: 'atmel_smc_ids' defined but
not used
Hi Miquel,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: f76349cf41451c5c42a99f18a9163377e4b364ff
commit: 72c5af00272339af6bbed6fe7275cd731f57be2d mtd: rawnand: Clarify Kconfig entry MTD_NAND
date: 3 years, 5 months ago
config: x86_64-buildonly-randconfig-r005-20220926
compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=72c5af00272339af6bbed6fe7275cd731f57be2d
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 72c5af00272339af6bbed6fe7275cd731f57be2d
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/mfd/ drivers/mtd/nand/raw/atmel/ drivers/regulator/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
421 | if (unlikely(!iter->tags))
| ^~
include/linux/compiler.h:25:39: warning: ignoring attribute 'section ("\"_ftrace_annotated_branch\"")' because it conflicts with previous 'section ("\"_ftrace_branch\"")' [-Wattributes]
25 | static struct ftrace_likely_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:69:30: note: in definition of macro '__trace_if'
69 | ______r = !!(cond); \
| ^~~~
include/linux/radix-tree.h:423:17: note: in expansion of macro 'if'
423 | if (likely(iter->tags & 1ul)) {
| ^~
include/linux/compiler.h:45:26: note: in expansion of macro '__branch_check__'
45 | # define likely(x) (__branch_check__(x, 1, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/linux/radix-tree.h:423:21: note: in expansion of macro 'likely'
423 | if (likely(iter->tags & 1ul)) {
| ^~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/linux/radix-tree.h:423:17: note: in expansion of macro 'if'
423 | if (likely(iter->tags & 1ul)) {
| ^~
include/linux/compiler.h:25:39: warning: ignoring attribute 'section ("\"_ftrace_annotated_branch\"")' because it conflicts with previous 'section ("\"_ftrace_branch\"")' [-Wattributes]
25 | static struct ftrace_likely_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:69:30: note: in definition of macro '__trace_if'
69 | ______r = !!(cond); \
| ^~~~
include/linux/radix-tree.h:443:25: note: in expansion of macro 'if'
443 | if (likely(*slot))
| ^~
include/linux/compiler.h:45:26: note: in expansion of macro '__branch_check__'
45 | # define likely(x) (__branch_check__(x, 1, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/linux/radix-tree.h:443:29: note: in expansion of macro 'likely'
443 | if (likely(*slot))
| ^~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/linux/radix-tree.h:443:25: note: in expansion of macro 'if'
443 | if (likely(*slot))
| ^~
arch/x86/include/asm/refcount.h: In function 'refcount_add_not_zero':
include/linux/compiler.h:25:39: warning: ignoring attribute 'section ("\"_ftrace_annotated_branch\"")' because it conflicts with previous 'section ("\"_ftrace_branch\"")' [-Wattributes]
25 | static struct ftrace_likely_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:69:30: note: in definition of macro '__trace_if'
69 | ______r = !!(cond); \
| ^~~~
arch/x86/include/asm/refcount.h:103:17: note: in expansion of macro 'if'
103 | if (unlikely(c == 0))
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
arch/x86/include/asm/refcount.h:103:21: note: in expansion of macro 'unlikely'
103 | if (unlikely(c == 0))
| ^~~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
arch/x86/include/asm/refcount.h:103:17: note: in expansion of macro 'if'
103 | if (unlikely(c == 0))
| ^~
include/linux/compiler.h:25:39: warning: ignoring attribute 'section ("\"_ftrace_annotated_branch\"")' because it conflicts with previous 'section ("\"_ftrace_branch\"")' [-Wattributes]
25 | static struct ftrace_likely_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:69:30: note: in definition of macro '__trace_if'
69 | ______r = !!(cond); \
| ^~~~
arch/x86/include/asm/refcount.h:109:17: note: in expansion of macro 'if'
109 | if (unlikely(c < 0 || c == INT_MAX || result < c)) {
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
arch/x86/include/asm/refcount.h:109:21: note: in expansion of macro 'unlikely'
109 | if (unlikely(c < 0 || c == INT_MAX || result < c)) {
| ^~~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
arch/x86/include/asm/refcount.h:109:17: note: in expansion of macro 'if'
109 | if (unlikely(c < 0 || c == INT_MAX || result < c)) {
| ^~
At top level:
>> drivers/mfd/atmel-smc.c:329:34: warning: 'atmel_smc_ids' defined but not used [-Wunused-const-variable=]
329 | static const struct of_device_id atmel_smc_ids[] = {
| ^~~~~~~~~~~~~
--
include/linux/compiler.h:69:30: note: in definition of macro '__trace_if'
69 | ______r = !!(cond); \
| ^~~~
include/linux/uio.h:169:9: note: in expansion of macro 'if'
169 | if (unlikely(!check_copy_size(addr, bytes, false)))
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/linux/uio.h:169:13: note: in expansion of macro 'unlikely'
169 | if (unlikely(!check_copy_size(addr, bytes, false)))
| ^~~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/linux/uio.h:169:9: note: in expansion of macro 'if'
169 | if (unlikely(!check_copy_size(addr, bytes, false)))
| ^~
include/linux/uio.h: In function 'copy_from_iter_flushcache':
include/linux/compiler.h:25:39: warning: ignoring attribute 'section ("\"_ftrace_annotated_branch\"")' because it conflicts with previous 'section ("\"_ftrace_branch\"")' [-Wattributes]
25 | static struct ftrace_likely_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:69:30: note: in definition of macro '__trace_if'
69 | ______r = !!(cond); \
| ^~~~
include/linux/uio.h:196:9: note: in expansion of macro 'if'
196 | if (unlikely(!check_copy_size(addr, bytes, false)))
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/linux/uio.h:196:13: note: in expansion of macro 'unlikely'
196 | if (unlikely(!check_copy_size(addr, bytes, false)))
| ^~~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/linux/uio.h:196:9: note: in expansion of macro 'if'
196 | if (unlikely(!check_copy_size(addr, bytes, false)))
| ^~
include/linux/uio.h: In function 'copy_to_iter_mcsafe':
include/linux/compiler.h:25:39: warning: ignoring attribute 'section ("\"_ftrace_annotated_branch\"")' because it conflicts with previous 'section ("\"_ftrace_branch\"")' [-Wattributes]
25 | static struct ftrace_likely_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:69:30: note: in definition of macro '__trace_if'
69 | ______r = !!(cond); \
| ^~~~
include/linux/uio.h:205:9: note: in expansion of macro 'if'
205 | if (unlikely(!check_copy_size(addr, bytes, true)))
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/linux/uio.h:205:13: note: in expansion of macro 'unlikely'
205 | if (unlikely(!check_copy_size(addr, bytes, true)))
| ^~~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/linux/uio.h:205:9: note: in expansion of macro 'if'
205 | if (unlikely(!check_copy_size(addr, bytes, true)))
| ^~
include/linux/mtd/mtd.h: In function 'mtd_align_erase_req':
include/linux/compiler.h:25:39: warning: ignoring attribute 'section ("\"_ftrace_annotated_branch\"")' because it conflicts with previous 'section ("\"_ftrace_branch\"")' [-Wattributes]
25 | static struct ftrace_likely_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:69:30: note: in definition of macro '__trace_if'
69 | ______r = !!(cond); \
| ^~~~
include/linux/mtd/mtd.h:498:9: note: in expansion of macro 'if'
498 | if (WARN_ON(!mtd->erasesize))
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/asm-generic/bug.h:192:9: note: in expansion of macro 'unlikely'
192 | unlikely(__ret_warn_on); \
| ^~~~~~~~
include/linux/mtd/mtd.h:498:13: note: in expansion of macro 'WARN_ON'
498 | if (WARN_ON(!mtd->erasesize))
| ^~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/linux/mtd/mtd.h:498:9: note: in expansion of macro 'if'
498 | if (WARN_ON(!mtd->erasesize))
| ^~
At top level:
>> drivers/mtd/nand/raw/atmel/nand-controller.c:1880:34: warning: 'atmel_ebi_csa_regmap_of_ids' defined but not used [-Wunused-const-variable=]
1880 | static const struct of_device_id atmel_ebi_csa_regmap_of_ids[] = {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
--
include/linux/compiler.h:69:30: note: in definition of macro '__trace_if'
69 | ______r = !!(cond); \
| ^~~~
include/linux/uio.h:196:9: note: in expansion of macro 'if'
196 | if (unlikely(!check_copy_size(addr, bytes, false)))
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/linux/uio.h:196:13: note: in expansion of macro 'unlikely'
196 | if (unlikely(!check_copy_size(addr, bytes, false)))
| ^~~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/linux/uio.h:196:9: note: in expansion of macro 'if'
196 | if (unlikely(!check_copy_size(addr, bytes, false)))
| ^~
include/linux/uio.h: In function 'copy_to_iter_mcsafe':
include/linux/compiler.h:25:39: warning: ignoring attribute 'section ("\"_ftrace_annotated_branch\"")' because it conflicts with previous 'section ("\"_ftrace_branch\"")' [-Wattributes]
25 | static struct ftrace_likely_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:69:30: note: in definition of macro '__trace_if'
69 | ______r = !!(cond); \
| ^~~~
include/linux/uio.h:205:9: note: in expansion of macro 'if'
205 | if (unlikely(!check_copy_size(addr, bytes, true)))
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/linux/uio.h:205:13: note: in expansion of macro 'unlikely'
205 | if (unlikely(!check_copy_size(addr, bytes, true)))
| ^~~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/linux/uio.h:205:9: note: in expansion of macro 'if'
205 | if (unlikely(!check_copy_size(addr, bytes, true)))
| ^~
include/linux/device.h: In function 'devm_kmalloc_array':
include/linux/compiler.h:25:39: warning: ignoring attribute 'section ("\"_ftrace_annotated_branch\"")' because it conflicts with previous 'section ("\"_ftrace_branch\"")' [-Wattributes]
25 | static struct ftrace_likely_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:69:30: note: in definition of macro '__trace_if'
69 | ______r = !!(cond); \
| ^~~~
include/linux/device.h:688:9: note: in expansion of macro 'if'
688 | if (unlikely(check_mul_overflow(n, size, &bytes)))
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/linux/device.h:688:13: note: in expansion of macro 'unlikely'
688 | if (unlikely(check_mul_overflow(n, size, &bytes)))
| ^~~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/linux/device.h:688:9: note: in expansion of macro 'if'
688 | if (unlikely(check_mul_overflow(n, size, &bytes)))
| ^~
include/linux/mtd/mtd.h: In function 'mtd_align_erase_req':
include/linux/compiler.h:25:39: warning: ignoring attribute 'section ("\"_ftrace_annotated_branch\"")' because it conflicts with previous 'section ("\"_ftrace_branch\"")' [-Wattributes]
25 | static struct ftrace_likely_data \
| ^~~~~~~~~~~~~~~~~~
include/linux/compiler.h:69:30: note: in definition of macro '__trace_if'
69 | ______r = !!(cond); \
| ^~~~
include/linux/mtd/mtd.h:498:9: note: in expansion of macro 'if'
498 | if (WARN_ON(!mtd->erasesize))
| ^~
include/linux/compiler.h:48:26: note: in expansion of macro '__branch_check__'
48 | # define unlikely(x) (__branch_check__(x, 0, __builtin_constant_p(x)))
| ^~~~~~~~~~~~~~~~
include/asm-generic/bug.h:192:9: note: in expansion of macro 'unlikely'
192 | unlikely(__ret_warn_on); \
| ^~~~~~~~
include/linux/mtd/mtd.h:498:13: note: in expansion of macro 'WARN_ON'
498 | if (WARN_ON(!mtd->erasesize))
| ^~~~~~~
include/linux/compiler.h:64:25: note: previous declaration here
64 | ______f = { \
| ^~~~~~~
include/linux/compiler.h:56:23: note: in expansion of macro '__trace_if'
56 | #define if(cond, ...) __trace_if( (cond , ## __VA_ARGS__) )
| ^~~~~~~~~~
include/linux/mtd/mtd.h:498:9: note: in expansion of macro 'if'
498 | if (WARN_ON(!mtd->erasesize))
| ^~
At top level:
>> drivers/mtd/nand/raw/atmel/pmecc.c:926:34: warning: 'atmel_pmecc_legacy_match' defined but not used [-Wunused-const-variable=]
926 | static const struct of_device_id atmel_pmecc_legacy_match[] = {
| ^~~~~~~~~~~~~~~~~~~~~~~~
vim +/atmel_smc_ids +329 drivers/mfd/atmel-smc.c
b0f3ab20e76499 Ludovic Desroches 2017-07-18 328
b0f3ab20e76499 Ludovic Desroches 2017-07-18 @329 static const struct of_device_id atmel_smc_ids[] = {
b0f3ab20e76499 Ludovic Desroches 2017-07-18 330 { .compatible = "atmel,at91sam9260-smc", .data = NULL },
b0f3ab20e76499 Ludovic Desroches 2017-07-18 331 { .compatible = "atmel,sama5d3-smc", .data = &sama5d3_reg_layout },
b0f3ab20e76499 Ludovic Desroches 2017-07-18 332 { .compatible = "atmel,sama5d2-smc", .data = &sama5d2_reg_layout },
b0f3ab20e76499 Ludovic Desroches 2017-07-18 333 { /* sentinel */ },
b0f3ab20e76499 Ludovic Desroches 2017-07-18 334 };
b0f3ab20e76499 Ludovic Desroches 2017-07-18 335
:::::: The code at line 329 was first introduced by commit
:::::: b0f3ab20e76499db12b0bbadb5737d9870f10418 mfd: syscon: atmel-smc: Add helper to retrieve register layout
:::::: TO: Ludovic Desroches <ludovic.desroches@...rochip.com>
:::::: CC: Lee Jones <lee.jones@...aro.org>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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