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[MIPS] Drop __init from init_8259A()

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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>
This commit is contained in:
Atsushi Nemoto 2007-02-20 20:08:45 +09:00 committed by Ralf Baechle
parent a9b69d0c0c
commit a0be2f7999
1 changed files with 8 additions and 5 deletions
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13
arch/mips/kernel/i8259.c
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@ -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;