x86/ioapic: Mark mp_alloc_timer_irq() __init

Only invoked from check_timer() which is __init too. Cleanup the variable
declaration while at it.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Qiuxu Zhuo <qiuxu.zhuo@intel.com>
Tested-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Breno Leitao <leitao@debian.org>
Link: https://lore.kernel.org/all/20240802155440.339321108@linutronix.de

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index d1ec1dcb637af0d4743a62b92cedb72e4e0a23e6..30a3af2631931cecbb4c1d2ada7472e0bb35e8fa 100644 (file)
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2122,10 +2122,10 @@ static int __init disable_timer_pin_setup(char *arg)
 }
 early_param("disable_timer_pin_1", disable_timer_pin_setup);
 
-static int mp_alloc_timer_irq(int ioapic, int pin)
+static int __init mp_alloc_timer_irq(int ioapic, int pin)
 {
-       int irq = -1;
        struct irq_domain *domain = mp_ioapic_irqdomain(ioapic);
+       int irq = -1;
 
        if (domain) {
                struct irq_alloc_info info;