X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fi386%2Fkernel%2Fi8259.c;h=7141d27ec638a0915277726e608ae7c24e123340;hb=acac43a2dc19890959873704d5fe0cf93a1f9894;hp=97653d20f4d13a3353f87f0ba3562909e55be51d;hpb=a91482bdcc2e0f6035702e46f1b99043a0893346;p=linux-2.6.git

diff --git a/arch/i386/kernel/i8259.c b/arch/i386/kernel/i8259.c
index 97653d20f..7141d27ec 100644
--- a/arch/i386/kernel/i8259.c
+++ b/arch/i386/kernel/i8259.c
@@ -244,9 +244,21 @@ static int i8259A_resume(struct sys_device *dev)
 	return 0;
 }
 
+static int i8259A_shutdown(struct sys_device *dev)
+{
+      /* Put the i8259A into a quiescent state that
+       * the kernel initialization code can get it
+       * out of.
+       */
+      outb(0xff, 0x21);       /* mask all of 8259A-1 */
+      outb(0xff, 0xA1);       /* mask all of 8259A-1 */
+      return 0;
+}
+
 static struct sysdev_class i8259_sysdev_class = {
 	set_kset_name("i8259"),
 	.resume = i8259A_resume,
+        .shutdown = i8259A_shutdown,
 };
 
 static struct sys_device device_i8259A = {