From 6729871692c9708c52fe3770b65d93c0d22f49e7 Mon Sep 17 00:00:00 2001 From: "Eric W. Biederman" Date: Sat, 25 Jun 2005 14:57:43 -0700 Subject: [PATCH] --- yaml --- r: 3313 b: refs/heads/master c: cee5dab4856f51c5cad3aecc630ad0a4d2217a85 h: refs/heads/master i: 3311: 0c14f8f322e670f64b49502d7d2045b68aee21d1 v: v3 --- [refs] | 2 +- trunk/arch/i386/kernel/i8259.c | 12 ++++++++++++ 2 files changed, 13 insertions(+), 1 deletion(-) diff --git a/[refs] b/[refs] index 0f3c782f563d..f4ad8d3da307 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 70adada4282b52130ef31c7722d3fd8d94dacbc2 +refs/heads/master: cee5dab4856f51c5cad3aecc630ad0a4d2217a85 diff --git a/trunk/arch/i386/kernel/i8259.c b/trunk/arch/i386/kernel/i8259.c index 2c4813b47e57..178f4e9bac9d 100644 --- a/trunk/arch/i386/kernel/i8259.c +++ b/trunk/arch/i386/kernel/i8259.c @@ -268,10 +268,22 @@ static int i8259A_suspend(struct sys_device *dev, pm_message_t state) 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"), .suspend = i8259A_suspend, .resume = i8259A_resume, + .shutdown = i8259A_shutdown, }; static struct sys_device device_i8259A = {