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xtensa: fix __sync_fetch_and_{and,or}_4 declarations 

Building xtensa kernel with gcc-10 produces the following warnings:
  arch/xtensa/kernel/xtensa_ksyms.c:90:15: warning: conflicting types
    for built-in function ‘__sync_fetch_and_and_4’;
    expected ‘unsigned int(volatile void *, unsigned int)’
    [-Wbuiltin-declaration-mismatch]
  arch/xtensa/kernel/xtensa_ksyms.c:96:15: warning: conflicting types
    for built-in function ‘__sync_fetch_and_or_4’;
    expected ‘unsigned int(volatile void *, unsigned int)’
    [-Wbuiltin-declaration-mismatch]

Fix declarations of these functions to avoid the warning.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
alistair/sunxi64-5.8
Max Filippov 2020-06-04 13:37:10 -07:00
parent 9ebcfadb06
commit 73f9941306
1 changed files with 2 additions and 2 deletions
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4
arch/xtensa/kernel/xtensa_ksyms.c
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@ -87,13 +87,13 @@ void __xtensa_libgcc_window_spill(void)
}
EXPORT_SYMBOL(__xtensa_libgcc_window_spill);
unsigned long __sync_fetch_and_and_4(unsigned long *p, unsigned long v)
unsigned int __sync_fetch_and_and_4(volatile void *p, unsigned int v)
{
BUG();
}
EXPORT_SYMBOL(__sync_fetch_and_and_4);
unsigned long __sync_fetch_and_or_4(unsigned long *p, unsigned long v)
unsigned int __sync_fetch_and_or_4(volatile void *p, unsigned int v)
{
BUG();
}