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From: Frank Rowand on 10 Jun 2010 17:00

Update comments to match code change in 70aedd24

Signed-off-by: Frank Rowand <frank.rowand(a)am.sony.com>

---
kernel/irq/manage.c | 7 5 + 2 - 0 !
1 file changed, 5 insertions(+), 2 deletions(-)

Index: b/kernel/irq/manage.c
===================================================================
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -236,7 +236,8 @@ void __disable_irq(struct irq_desc *desc
* Unlike disable_irq(), this function does not ensure existing
* instances of the IRQ handler have completed before returning.
*
- * This function may be called from IRQ context.
+ * This function may be called from IRQ context only when
+ * desc->chip->bus_lock and desc->chip->bus_sync_unlock are NULL !
*/
void disable_irq_nosync(unsigned int irq)
{
@@ -264,7 +265,9 @@ EXPORT_SYMBOL(disable_irq_nosync);
* to complete before returning. If you use this function while
* holding a resource the IRQ handler may need you will deadlock.
*
- * This function may be called - with care - from IRQ context.
+ * This function may be called - with care - from IRQ context only when
+ * desc->chip->bus_lock and desc->chip->bus_sync_unlock are NULL !
+ * See synchronize_irq() comments for explanation of "with care".
*/
void disable_irq(unsigned int irq)
{

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