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sh: traps: Make is_dsp_inst() static

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If CONFIG_SH_DSP=y (e.g. se7343_defconfig):

    arch/sh/kernel/traps_32.c:572:5: warning: no previous prototype for ‘is_dsp_inst’ [-Wmissing-prototypes]

There are no users outside this file, so make it static.

While at it, convert the dummy for the CONFIG_SH_DSP=n case from a macro
to a static inline function, to increase type-safety.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/8525fe446e7f24649a83b8cd6ca8b736ab746b80.1709579038.git.geert+renesas@glider.be
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
This commit is contained in:
Geert Uytterhoeven 2024-03-04 20:10:44 +01:00 committed by John Paul Adrian Glaubitz
parent fcd9a89248
commit fdb2dd78ba
1 changed files with 2 additions and 2 deletions
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4
arch/sh/kernel/traps_32.c
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@ -569,7 +569,7 @@ asmlinkage void do_address_error(struct pt_regs *regs,
/*
* SH-DSP support gerg@snapgear.com.
*/
int is_dsp_inst(struct pt_regs *regs)
static int is_dsp_inst(struct pt_regs *regs)
{
unsigned short inst = 0;
@ -591,7 +591,7 @@ int is_dsp_inst(struct pt_regs *regs)
return 0;
}
#else
#define is_dsp_inst(regs) (0)
static inline int is_dsp_inst(struct pt_regs *regs) { return 0; }
#endif /* CONFIG_SH_DSP */
#ifdef CONFIG_CPU_SH2A