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hexagon: traps: add internal prototypes for functions only called from asm

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Clang warns:

  arch/hexagon/kernel/traps.c:284:6: warning: no previous prototype for function 'do_genex' [-Wmissing-prototypes]
    284 | void do_genex(struct pt_regs *regs)
        |      ^
  arch/hexagon/kernel/traps.c:284:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
    284 | void do_genex(struct pt_regs *regs)
        | ^
        | static
  arch/hexagon/kernel/traps.c:341:6: warning: no previous prototype for function 'do_trap0' [-Wmissing-prototypes]
    341 | void do_trap0(struct pt_regs *regs)
        |      ^
  arch/hexagon/kernel/traps.c:341:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
    341 | void do_trap0(struct pt_regs *regs)
        | ^
        | static
  arch/hexagon/kernel/traps.c:418:6: warning: no previous prototype for function 'do_machcheck' [-Wmissing-prototypes]
    418 | void do_machcheck(struct pt_regs *regs)
        |      ^
  arch/hexagon/kernel/traps.c:418:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
    418 | void do_machcheck(struct pt_regs *regs)
        | ^
        | static
  arch/hexagon/kernel/traps.c:428:6: warning: no previous prototype for function 'do_debug_exception' [-Wmissing-prototypes]
    428 | void do_debug_exception(struct pt_regs *regs)
        |      ^
  arch/hexagon/kernel/traps.c:428:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
    428 | void do_debug_exception(struct pt_regs *regs)
        | ^
        | static

These functions are only called from assembly or this translation unit,
so just add prototypes right above the definitions to silence the
warnings.

Link: https://lkml.kernel.org/r/20231130-hexagon-missing-prototypes-v1-19-5c34714afe9e@kernel.org
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Brian Cain <bcain@quicinc.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Nathan Chancellor 2023-11-30 15:58:32 -07:00 committed by Andrew Morton
parent d6b0180e6d
commit 2562a3aeaa
1 changed files with 4 additions and 0 deletions
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4
arch/hexagon/kernel/traps.c
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@ -281,6 +281,7 @@ static void cache_error(struct pt_regs *regs)
/*
* General exception handler
*/
void do_genex(struct pt_regs *regs);
void do_genex(struct pt_regs *regs)
{
/*
@ -331,6 +332,7 @@ void do_genex(struct pt_regs *regs)
}
}
void do_trap0(struct pt_regs *regs);
void do_trap0(struct pt_regs *regs)
{
syscall_fn syscall;
@ -408,6 +410,7 @@ void do_trap0(struct pt_regs *regs)
/*
* Machine check exception handler
*/
void do_machcheck(struct pt_regs *regs);
void do_machcheck(struct pt_regs *regs)
{
/* Halt and catch fire */
@ -418,6 +421,7 @@ void do_machcheck(struct pt_regs *regs)
* Treat this like the old 0xdb trap.
*/
void do_debug_exception(struct pt_regs *regs);
void do_debug_exception(struct pt_regs *regs)
{
regs->hvmer.vmest &= ~HVM_VMEST_CAUSE_MSK;