Merge branches 'acpica', 'aml-custom', 'bugzilla-16548', 'bugzilla-20242', 'd3-cold...

[firefly-linux-kernel-4.4.55.git] / arch / blackfin / mach-common / interrupt.S

diff --git a/arch/blackfin/mach-common/interrupt.S b/arch/blackfin/mach-common/interrupt.S
index 2df37db3b49b60dbe9df7e768b0fb31cf5946c69..469ce7282dc8b5f0d789382712be43924543a4e0 100644 (file)
--- a/arch/blackfin/mach-common/interrupt.S
+++ b/arch/blackfin/mach-common/interrupt.S
@@ -274,16 +274,16 @@ ENDPROC(_evt_system_call)
  * level to EVT14 to prepare the caller for a normal interrupt
  * return through RTI.
  *
- * We currently use this facility in two occasions:
+ * We currently use this feature in two occasions:
  *
- * - to branch to __ipipe_irq_tail_hook as requested by a high
+ * - before branching to __ipipe_irq_tail_hook as requested by a high
  *   priority domain after the pipeline delivered an interrupt,
  *   e.g. such as Xenomai, in order to start its rescheduling
  *   procedure, since we may not switch tasks when IRQ levels are
  *   nested on the Blackfin, so we have to fake an interrupt return
  *   so that we may reschedule immediately.
  *
- * - to branch to sync_root_irqs, in order to play any interrupt
+ * - before branching to __ipipe_sync_root(), in order to play any interrupt
  *   pending for the root domain (i.e. the Linux kernel). This lowers
  *   the core priority level enough so that Linux IRQ handlers may
  *   never delay interrupts handled by high priority domains; we defer