diff options
Diffstat (limited to 'arch/powerpc/platforms/cell/pervasive.c')
| -rw-r--r-- | arch/powerpc/platforms/cell/pervasive.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/arch/powerpc/platforms/cell/pervasive.c b/arch/powerpc/platforms/cell/pervasive.c index 812bf563ed6..d17e98bc0c1 100644 --- a/arch/powerpc/platforms/cell/pervasive.c +++ b/arch/powerpc/platforms/cell/pervasive.c @@ -34,19 +34,17 @@ #include <asm/prom.h> #include <asm/pgtable.h> #include <asm/reg.h> +#include <asm/cell-regs.h> #include "pervasive.h" -#include "cbe_regs.h" static void cbe_power_save(void) { unsigned long ctrl, thread_switch_control; - /* - * We need to hard disable interrupts, the local_irq_enable() done by - * our caller upon return will hard re-enable. - */ - hard_irq_disable(); + /* Ensure our interrupt state is properly tracked */ + if (!prep_irq_for_idle()) + return; ctrl = mfspr(SPRN_CTRLF); @@ -63,7 +61,7 @@ static void cbe_power_save(void) break; default: printk(KERN_WARNING "%s: unknown configuration\n", - __FUNCTION__); + __func__); break; } mtspr(SPRN_TSC_CELL, thread_switch_control); @@ -81,6 +79,9 @@ static void cbe_power_save(void) */ ctrl &= ~(CTRL_RUNLATCH | CTRL_TE); mtspr(SPRN_CTRLT, ctrl); + + /* Re-enable interrupts in MSR */ + __hard_irq_enable(); } static int cbe_system_reset_exception(struct pt_regs *regs) @@ -93,7 +94,7 @@ static int cbe_system_reset_exception(struct pt_regs *regs) timer_interrupt(regs); break; case SRR1_WAKEMT: - break; + return cbe_sysreset_hack(); #ifdef CONFIG_CBE_RAS case SRR1_WAKESYSERR: cbe_system_error_exception(regs); @@ -113,6 +114,7 @@ static int cbe_system_reset_exception(struct pt_regs *regs) void __init cbe_pervasive_init(void) { int cpu; + if (!cpu_has_feature(CPU_FTR_PAUSE_ZERO)) return; |