soft_nmi_interrupt() usage requires PPC_WATCHDOG to be configured.
Check the CONFIG definition to declare the prototype.
It fixes this W=1 compile error :
../arch/powerpc/kernel/watchdog.c:250:6: error: no previous prototype for ‘soft_nmi_interrupt’ [-Werror=missing-prototypes]
250 | void soft_nmi_interrupt(struct pt_regs *regs)
| ^~~~~~~~~~~~~~~~~~
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20210104143206.695198-18-clg@kaod.org
#ifdef CONFIG_PPC_WATCHDOG
extern void arch_touch_nmi_watchdog(void);
+void soft_nmi_interrupt(struct pt_regs *regs);
#else
static inline void arch_touch_nmi_watchdog(void) {}
#endif
#include <linux/smp.h>
#include <asm/paca.h>
+#include <asm/nmi.h>
/*
* The powerpc watchdog ensures that each CPU is able to service timers.