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-rw-r--r--arch/powerpc/platforms/cell/pervasive.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/powerpc/platforms/cell/pervasive.c b/arch/powerpc/platforms/cell/pervasive.c
index efdacc829576..d17e98bc0c10 100644
--- a/arch/powerpc/platforms/cell/pervasive.c
+++ b/arch/powerpc/platforms/cell/pervasive.c
@@ -42,11 +42,9 @@ 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);
@@ -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)
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