aboutsummaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
authorAtsushi Nemoto <anemo@mba.ocn.ne.jp>2007-02-20 20:08:45 +0900
committerRalf Baechle <ralf@linux-mips.org>2007-02-20 17:11:55 +0000
commita0be2f7999aaff97962fe4240ab2ca12a394884c (patch)
tree53406ef7f5565cb9a8b514a88bac9966b550547b /arch
parenta9b69d0c0c928b4a78a0da32a903ae47b0ad09e7 (diff)
[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>
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/kernel/i8259.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/mips/kernel/i8259.c b/arch/mips/kernel/i8259.c
index b33ba6cd7f5..9c79703979b 100644
--- 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;