[PATCH] CONFIG_PM for ppc64, to allow sysrq o

Olaf Hering olh at suse.de
Wed Mar 16 09:03:32 EST 2005

 On Tue, Mar 15, Olaf Hering wrote:

> For some weird reason, sysrq o is hidden behind CONFIG_PM.
> Why? One can power off just fine without that. Can pm_sysrq_init be
> moved to a better place? I think it used to be in sysrq.c in 2.4.
> Too bad, with this patch radeonfb fails to compile.

After disabling radeon and this additional change, sysrq o powers off.
Just dont type too fast over hvc (ctrl o o)  ;)

Index: linux-2.6.11-olh/arch/ppc64/kernel/setup.c
--- linux-2.6.11-olh.orig/arch/ppc64/kernel/setup.c
+++ linux-2.6.11-olh/arch/ppc64/kernel/setup.c
@@ -31,6 +31,7 @@
 #include <linux/unistd.h>
 #include <linux/serial.h>
 #include <linux/serial_8250.h>
+#include <linux/pm.h>
 #include <asm/io.h>
 #include <asm/prom.h>
 #include <asm/processor.h>
@@ -710,6 +711,8 @@ void machine_halt(void)
+void (*pm_power_off)(void) = machine_power_off;
 unsigned long ppc_proc_freq;
 unsigned long ppc_tb_freq;

More information about the Linuxppc64-dev mailing list