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Subjectarch/csky/mm/tcm.c:14:2: error: #error "You should define DTCM_RAM_BASE"
Hi Guo,

First bad commit (maybe != root cause):

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 61556703b610a104de324e4f061dc6cf7b218b46
commit: 18c07d23da5a48525b2955aa269b8bb108c19300 csky: Fixup calltrace panic
date: 9 months ago
config: csky-randconfig-r006-20210204 (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
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=18c07d23da5a48525b2955aa269b8bb108c19300
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 18c07d23da5a48525b2955aa269b8bb108c19300
# 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: kernel test robot <lkp@intel.com>

All error/warnings (new ones prefixed by >>):

arch/csky/mm/tcm.c:9:2: error: #error "You should define ITCM_RAM_BASE"
9 | #error "You should define ITCM_RAM_BASE"
| ^~~~~
>> arch/csky/mm/tcm.c:14:2: error: #error "You should define DTCM_RAM_BASE"
14 | #error "You should define DTCM_RAM_BASE"
| ^~~~~
>> arch/csky/mm/tcm.c:18:2: error: #error "You should define correct DTCM_RAM_BASE"
18 | #error "You should define correct DTCM_RAM_BASE"
| ^~~~~
arch/csky/mm/tcm.c:109:7: warning: no previous prototype for 'tcm_alloc' [-Wmissing-prototypes]
109 | void *tcm_alloc(size_t len)
| ^~~~~~~~~
arch/csky/mm/tcm.c:124:6: warning: no previous prototype for 'tcm_free' [-Wmissing-prototypes]
124 | void tcm_free(void *addr, size_t len)
| ^~~~~~~~
--
drivers/misc/altera-stapl/altera.c: In function 'altera_execute':
>> drivers/misc/altera-stapl/altera.c:2113:1: warning: the frame size of 4236 bytes is larger than 1024 bytes [-Wframe-larger-than=]
2113 | }
| ^


vim +14 arch/csky/mm/tcm.c

f525bb2c9e7cf1 Guo Ren 2019-11-27 11
f525bb2c9e7cf1 Guo Ren 2019-11-27 12 #ifdef CONFIG_HAVE_DTCM
f525bb2c9e7cf1 Guo Ren 2019-11-27 13 #if (CONFIG_DTCM_RAM_BASE == 0xffffffff)
f525bb2c9e7cf1 Guo Ren 2019-11-27 @14 #error "You should define DTCM_RAM_BASE"
f525bb2c9e7cf1 Guo Ren 2019-11-27 15 #endif
f525bb2c9e7cf1 Guo Ren 2019-11-27 16
f525bb2c9e7cf1 Guo Ren 2019-11-27 17 #if (CONFIG_DTCM_RAM_BASE == CONFIG_ITCM_RAM_BASE)
f525bb2c9e7cf1 Guo Ren 2019-11-27 @18 #error "You should define correct DTCM_RAM_BASE"
f525bb2c9e7cf1 Guo Ren 2019-11-27 19 #endif
f525bb2c9e7cf1 Guo Ren 2019-11-27 20 #endif
f525bb2c9e7cf1 Guo Ren 2019-11-27 21

:::::: The code at line 14 was first introduced by commit
:::::: f525bb2c9e7cf1e3c43ab57704c9e1c836d30b34 csky: Tightly-Coupled Memory or Sram support

:::::: TO: Guo Ren <guoren@linux.alibaba.com>
:::::: CC: Guo Ren <guoren@linux.alibaba.com>

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