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authorOlof Johansson <olof@lixom.net>2007-04-27 15:46:01 +1000
committerPaul Mackerras <paulus@samba.org>2007-04-27 15:51:57 +1000
commit2e0c3370b3ecf831ef209f1094df36a808865845 (patch)
tree770811bacfb792089406c797bf706748d16f170f /arch/powerpc/platforms/pasemi/idle.c
parent116ab40df8decf8c519368e31825e9584c86adf2 (diff)
[POWERPC] pasemi: Cpufreq driver
Cpufreq driver for PA Semi PWRficient processors. Signed-off-by: Egor Martovetsky <egor@pasemi.com> Signed-off-by: Olof Johansson <olof@lixom.net> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/platforms/pasemi/idle.c')
-rw-r--r--arch/powerpc/platforms/pasemi/idle.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pasemi/idle.c b/arch/powerpc/platforms/pasemi/idle.c
index 1ca3ff381591..5985ce0c5c48 100644
--- a/arch/powerpc/platforms/pasemi/idle.c
+++ b/arch/powerpc/platforms/pasemi/idle.c
@@ -61,6 +61,10 @@ static int pasemi_system_reset_exception(struct pt_regs *regs)
/* do system reset */
return 0;
}
+
+ /* Set higher astate since we come out of power savings at 0 */
+ restore_astate(hard_smp_processor_id());
+
/* everything handled */
regs->msr |= MSR_RI;
return 1;
@@ -68,6 +72,11 @@ static int pasemi_system_reset_exception(struct pt_regs *regs)
void __init pasemi_idle_init(void)
{
+#ifndef CONFIG_PPC_PASEMI_CPUFREQ
+ printk(KERN_WARNING "No cpufreq driver, powersavings modes disabled\n");
+ current_mode = 0;
+#endif
+
ppc_md.system_reset_exception = pasemi_system_reset_exception;
ppc_md.power_save = modes[current_mode].entry;
printk(KERN_INFO "Using PA6T idle loop (%s)\n", modes[current_mode].name);