drivers/net/ethernet/intel/e1000/e1000_osdep.h:13: warning: "CONFIG_RAM_BASE" redefined

From: kbuild test robot
Date: Tue Jun 02 2020 - 01:24:12 EST

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: f359287765c04711ff54fbd11645271d8e5ff763
commit: 5b49c82dadfe0f3741778f57385f964ec1514863 csky: Add PCI support
date: 3 months ago
config: csky-randconfig-r024-20200602 (attached as .config)
compiler: csky-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
git checkout 5b49c82dadfe0f3741778f57385f964ec1514863
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=csky

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>, old ones prefixed by <<):

In file included from include/linux/kernel.h:11,
from include/linux/list.h:9,
from include/linux/module.h:12,
from drivers/net/ethernet/intel/e1000/e1000.h:10,
from drivers/net/ethernet/intel/e1000/e1000_main.c:4:
include/asm-generic/fixmap.h: In function 'fix_to_virt':
include/asm-generic/fixmap.h:32:19: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits]
32 | BUILD_BUG_ON(idx >= __end_of_fixed_addresses);
| ^~
include/linux/compiler.h:330:9: note: in definition of macro '__compiletime_assert'
330 | if (!(condition)) | ^~~~~~~~~
include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert'
350 | _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
| ^~~~~~~~~~~~~~~~
include/asm-generic/fixmap.h:32:2: note: in expansion of macro 'BUILD_BUG_ON'
32 | BUILD_BUG_ON(idx >= __end_of_fixed_addresses);
| ^~~~~~~~~~~~
In file included from drivers/net/ethernet/intel/e1000/e1000_hw.h:11,
from drivers/net/ethernet/intel/e1000/e1000.h:54,
from drivers/net/ethernet/intel/e1000/e1000_main.c:4:
drivers/net/ethernet/intel/e1000/e1000_osdep.h: At top level:
>> drivers/net/ethernet/intel/e1000/e1000_osdep.h:13: warning: "CONFIG_RAM_BASE" redefined
13 | #define CONFIG_RAM_BASE 0x60000
|
In file included from include/linux/kconfig.h:5,
from <command-line>:
./include/generated/autoconf.h:1690: note: this is the location of the previous definition
1690 | #define CONFIG_RAM_BASE 0x0
|
--
In file included from include/linux/kernel.h:11,
from include/linux/list.h:9,
from include/linux/module.h:12,
from drivers/net/ethernet/intel/e1000/e1000.h:10,
from drivers/net/ethernet/intel/e1000/e1000_hw.c:8:
include/asm-generic/fixmap.h: In function 'fix_to_virt':
include/asm-generic/fixmap.h:32:19: warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits]
32 | BUILD_BUG_ON(idx >= __end_of_fixed_addresses);
| ^~
include/linux/compiler.h:330:9: note: in definition of macro '__compiletime_assert'
330 | if (!(condition)) | ^~~~~~~~~
include/linux/compiler.h:350:2: note: in expansion of macro '_compiletime_assert'
350 | _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
| ^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:39:37: note: in expansion of macro 'compiletime_assert'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:50:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
| ^~~~~~~~~~~~~~~~
include/asm-generic/fixmap.h:32:2: note: in expansion of macro 'BUILD_BUG_ON'
32 | BUILD_BUG_ON(idx >= __end_of_fixed_addresses);
| ^~~~~~~~~~~~
In file included from drivers/net/ethernet/intel/e1000/e1000_hw.h:11,
from drivers/net/ethernet/intel/e1000/e1000.h:54,
from drivers/net/ethernet/intel/e1000/e1000_hw.c:8:
drivers/net/ethernet/intel/e1000/e1000_osdep.h: At top level:
>> drivers/net/ethernet/intel/e1000/e1000_osdep.h:13: warning: "CONFIG_RAM_BASE" redefined
13 | #define CONFIG_RAM_BASE 0x60000
|
In file included from include/linux/kconfig.h:5,
from <command-line>:
./include/generated/autoconf.h:1690: note: this is the location of the previous definition
1690 | #define CONFIG_RAM_BASE 0x0
|
drivers/net/ethernet/intel/e1000/e1000_hw.c: In function 'e1000_phy_init_script':
drivers/net/ethernet/intel/e1000/e1000_hw.c:132:6: warning: variable 'ret_val' set but not used [-Wunused-but-set-variable]
132 | u32 ret_val;
| ^~~~~~~
drivers/net/ethernet/intel/e1000/e1000_hw.c: In function 'e1000_reset_hw':
drivers/net/ethernet/intel/e1000/e1000_hw.c:380:6: warning: variable 'icr' set but not used [-Wunused-but-set-variable]
380 | u32 icr;
| ^~~
drivers/net/ethernet/intel/e1000/e1000_hw.c: In function 'e1000_check_for_link':
drivers/net/ethernet/intel/e1000/e1000_hw.c:2378:6: warning: variable 'signal' set but not used [-Wunused-but-set-variable]
2378 | u32 signal = 0;
| ^~~~~~
drivers/net/ethernet/intel/e1000/e1000_hw.c:2374:6: warning: variable 'ctrl' set but not used [-Wunused-but-set-variable]
2374 | u32 ctrl;
| ^~~~
drivers/net/ethernet/intel/e1000/e1000_hw.c:2373:6: warning: variable 'rxcw' set but not used [-Wunused-but-set-variable]
2373 | u32 rxcw = 0;
| ^~~~
drivers/net/ethernet/intel/e1000/e1000_hw.c: In function 'e1000_clear_hw_cntrs':
drivers/net/ethernet/intel/e1000/e1000_hw.c:4678:15: warning: variable 'temp' set but not used [-Wunused-but-set-variable]
4678 | volatile u32 temp;
| ^~~~

vim +/CONFIG_RAM_BASE +13 drivers/net/ethernet/intel/e1000/e1000_osdep.h

5377a4160bb65e drivers/net/e1000/e1000_osdep.h Dirk Brandewie 2011-01-06 12
5377a4160bb65e drivers/net/e1000/e1000_osdep.h Dirk Brandewie 2011-01-06 @13 #define CONFIG_RAM_BASE 0x60000
5377a4160bb65e drivers/net/e1000/e1000_osdep.h Dirk Brandewie 2011-01-06 14 #define GBE_CONFIG_OFFSET 0x0
5377a4160bb65e drivers/net/e1000/e1000_osdep.h Dirk Brandewie 2011-01-06 15

:::::: The code at line 13 was first introduced by commit
:::::: 5377a4160bb65ee4dd11b4b1d081d86d56d92bff e1000: Add support for the CE4100 reference platform

:::::: TO: Dirk Brandewie <dirk.j.brandewie@xxxxxxxxx>
:::::: CC: David S. Miller <davem@xxxxxxxxxxxxx>

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

Attachment: .config.gz
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