[MIPS] Drop __init from init_8259A()

init_8259A() is called from i8259A_resume() so should not be marked as
__init.  And add some tests for whether 8259A was already initialized
or not.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/kernel/i8259.c b/arch/mips/kernel/i8259.c
index b33ba6cd7f5bca912896746ed4cbec133169bcdc..9c79703979b2b128da7b2040e508515d662e43d4 100644 (file)
--- a/arch/mips/kernel/i8259.c
+++ b/arch/mips/kernel/i8259.c
@@ -28,7 +28,7 @@
  * moves to arch independent land
  */
 
-static int i8259A_auto_eoi;
+static int i8259A_auto_eoi = -1;
 DEFINE_SPINLOCK(i8259A_lock);
 /* some platforms call this... */
 void mask_and_ack_8259A(unsigned int);
@@ -216,7 +216,8 @@ spurious_8259A_irq:
 
 static int i8259A_resume(struct sys_device *dev)
 {
-       init_8259A(i8259A_auto_eoi);
+       if (i8259A_auto_eoi >= 0)
+               init_8259A(i8259A_auto_eoi);
        return 0;
 }
 
@@ -226,8 +227,10 @@ static int i8259A_shutdown(struct sys_device *dev)
         * the kernel initialization code can get it
         * out of.
         */
-       outb(0xff, PIC_MASTER_IMR);     /* mask all of 8259A-1 */
-       outb(0xff, PIC_SLAVE_IMR);      /* mask all of 8259A-1 */
+       if (i8259A_auto_eoi >= 0) {
+               outb(0xff, PIC_MASTER_IMR);     /* mask all of 8259A-1 */
+               outb(0xff, PIC_SLAVE_IMR);      /* mask all of 8259A-1 */
+       }
        return 0;
 }
 
@@ -252,7 +255,7 @@ static int __init i8259A_init_sysfs(void)
 
 device_initcall(i8259A_init_sysfs);
 
-void __init init_8259A(int auto_eoi)
+void init_8259A(int auto_eoi)
 {
        unsigned long flags;