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authorcodeworkx <codeworkx@cyanogenmod.com>2012-09-18 18:51:21 +0200
committercodeworkx <codeworkx@cyanogenmod.com>2012-09-18 19:02:23 +0200
commitf991bd2a427ec6a5e049e19745aba6a5d7f006c4 (patch)
treec6f0d428403c32c95335c34b3f0105c2e4c8087d /arch/powerpc/kernel/irq.c
parentc28265764ec6ad9995eb0c761a376ffc9f141fcd (diff)
parentbea37381fd9a34c6660e5195d31beea86aa3dda3 (diff)
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Merge linux-3.0.31 from korg into jellybean
Conflicts: arch/arm/mm/proc-v7.S drivers/base/core.c drivers/gpu/drm/i915/i915_gem_execbuffer.c drivers/gpu/drm/i915/intel_display.c drivers/gpu/drm/i915/intel_lvds.c drivers/gpu/drm/radeon/evergreen.c drivers/gpu/drm/radeon/r100.c drivers/gpu/drm/radeon/radeon_connectors.c drivers/gpu/drm/radeon/rs600.c drivers/usb/core/hub.c drivers/usb/host/xhci-pci.c drivers/usb/host/xhci.c drivers/usb/serial/qcserial.c fs/proc/base.c Change-Id: Ia98b35db3f8c0bfd95817867d3acb85be8e5e772
Diffstat (limited to 'arch/powerpc/kernel/irq.c')
-rw-r--r--arch/powerpc/kernel/irq.c15
1 files changed, 6 insertions, 9 deletions
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 5b428e3..ca2987d 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -170,16 +170,13 @@ notrace void arch_local_irq_restore(unsigned long en)
*/
local_paca->hard_enabled = en;
-#ifndef CONFIG_BOOKE
- /* On server, re-trigger the decrementer if it went negative since
- * some processors only trigger on edge transitions of the sign bit.
- *
- * BookE has a level sensitive decrementer (latches in TSR) so we
- * don't need that
+ /*
+ * Trigger the decrementer if we have a pending event. Some processors
+ * only trigger on edge transitions of the sign bit. We might also
+ * have disabled interrupts long enough that the decrementer wrapped
+ * to positive.
*/
- if ((int)mfspr(SPRN_DEC) < 0)
- mtspr(SPRN_DEC, 1);
-#endif /* CONFIG_BOOKE */
+ decrementer_check_overflow();
/*
* Force the delivery of pending soft-disabled interrupts on PS3.