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MIPS: launch.h: add include guard to prevent build errors

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arch/mips/include/asm/mips-boards/launch.h needs an include guard
to prevent it from being #included more than once.
Prevents these build errors:

In file included from ../arch/mips/mti-malta/malta-amon.c:16:
../arch/mips/include/asm/mips-boards/launch.h:8:8: error: redefinition of 'struct cpulaunch'
    8 | struct cpulaunch {
      |        ^~~~~~~~~
In file included from ../arch/mips/include/asm/mips-cps.h:13,
                 from ../arch/mips/include/asm/smp-ops.h:16,
                 from ../arch/mips/include/asm/smp.h:21,
                 from ../include/linux/smp.h:114,
                 from ../arch/mips/mti-malta/malta-amon.c:12:
../arch/mips/include/asm/mips-boards/launch.h:8:8: note: originally defined here
    8 | struct cpulaunch {
      |        ^~~~~~~~~
make[3]: [../scripts/Makefile.build:273: arch/mips/mti-malta/malta-amon.o] Error 1 (ignored)

Fixes: 6decd1aad1 ("MIPS: add support for buggy MT7621S core detection")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: linux-mips@vger.kernel.org
Cc: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
Reviewed-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Randy Dunlap 2021-05-20 22:13:43 -07:00 committed by Thomas Bogendoerfer
parent ff4cff962a
commit 6855adc2c5
1 changed files with 5 additions and 0 deletions
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5
arch/mips/include/asm/mips-boards/launch.h
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@ -3,6 +3,9 @@
*
*/
#ifndef _ASM_MIPS_BOARDS_LAUNCH_H
#define _ASM_MIPS_BOARDS_LAUNCH_H
#ifndef _ASSEMBLER_
struct cpulaunch {
@ -34,3 +37,5 @@ struct cpulaunch {
/* Polling period in count cycles for secondary CPU's */
#define LAUNCHPERIOD 10000
#endif /* _ASM_MIPS_BOARDS_LAUNCH_H */