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m68k: mac: Remove forward declaration for mac_nmi_handler()

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Move mac_nmi_handler() before its caller, so its forward declaration can
be dropped.  While at it, make the function static, and absorb the
variable in_nmi, which is only used inside the function.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Finn Thain <fthain@linux-m68k.org>
Link: https://lore.kernel.org/r/fa48394ecba7c29a2da354d13c1017b37237f25b.1657114783.git.geert@linux-m68k.org
This commit is contained in:
Geert Uytterhoeven 2022-07-06 15:48:46 +02:00
parent 566a2d6d8e
commit c36dd297b6
1 changed files with 15 additions and 17 deletions
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32
arch/m68k/mac/macints.c
View file

@ -129,8 +129,6 @@
extern void show_registers(struct pt_regs *);
irqreturn_t mac_nmi_handler(int, void *);
static unsigned int mac_irq_startup(struct irq_data *);
static void mac_irq_shutdown(struct irq_data *);
@ -142,6 +140,21 @@ static struct irq_chip mac_irq_chip = {
.irq_shutdown = mac_irq_shutdown,
};
static irqreturn_t mac_nmi_handler(int irq, void *dev_id)
{
static volatile int in_nmi;
if (in_nmi)
return IRQ_HANDLED;
in_nmi = 1;
pr_info("Non-Maskable Interrupt\n");
show_registers(get_irq_regs());
in_nmi = 0;
return IRQ_HANDLED;
}
void __init mac_init_IRQ(void)
{
m68k_setup_irq_controller(&mac_irq_chip, handle_simple_irq, IRQ_USER,
@ -254,18 +267,3 @@ static void mac_irq_shutdown(struct irq_data *data)
else
mac_irq_disable(data);
}
static volatile int in_nmi;
irqreturn_t mac_nmi_handler(int irq, void *dev_id)
{
if (in_nmi)
return IRQ_HANDLED;
in_nmi = 1;
pr_info("Non-Maskable Interrupt\n");
show_registers(get_irq_regs());
in_nmi = 0;
return IRQ_HANDLED;
}