From c1298c5c7e5763a3b2fd4a9535d474ff6e54cd53 Mon Sep 17 00:00:00 2001 From: Aaron J Young Date: Mon, 25 Apr 2005 13:11:14 -0700 Subject: [IA64-SGI] Altix: enable poweroff This patch adds the necessary "hook" to allow SGI/SN machines to perform a system power off upon a 'init 0', 'halt -p', 'poweroff' or 'shutdown -h'. The "hook" is to set the pm_power_off callback to ia64_sn_power_down(). pm_power_off is checked in machine_power_off()/do_poweroff() and, if set, is executed. ia64_sn_power_down() is a function already present (but not used currently) in the sn kernel. ia64_sn_power_down() makes a SAL call to execute the power off. Signed-off-by: Aaron J Young Signed-off-by: Tony Luck --- arch/ia64/sn/kernel/setup.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'arch') diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c index f0306b516af..d35f2a6f9c9 100644 --- a/arch/ia64/sn/kernel/setup.c +++ b/arch/ia64/sn/kernel/setup.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include @@ -353,6 +354,14 @@ void __init sn_setup(char **cmdline_p) screen_info = sn_screen_info; sn_timer_init(); + + /* + * set pm_power_off to a SAL call to allow + * sn machines to power off. The SAL call can be replaced + * by an ACPI interface call when ACPI is fully implemented + * for sn. + */ + pm_power_off = ia64_sn_power_down; } /** -- cgit v1.2.3