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Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

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Pull irq fixes from Thomas Gleixner:
 "Two patches from Boris which address a potential deadlock in the atmel
  irq chip driver"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/atmel-aic: Fix potential deadlock in ->xlate()
  genirq: Provide irq_gc_{lock_irqsave,unlock_irqrestore}() helpers
This commit is contained in:
Linus Torvalds
2016-09-18 11:08:00 -07:00
parent d4690f1e1c 5eb0d6eb3f
commit aaed4d0bdd
3 changed files with 16 additions and 4 deletions
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10
include/linux/irq.h
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@@ -945,6 +945,16 @@ static inline void irq_gc_lock(struct irq_chip_generic *gc) { }
static inline void irq_gc_unlock(struct irq_chip_generic *gc) { }
#endif
/*
* The irqsave variants are for usage in non interrupt code. Do not use
* them in irq_chip callbacks. Use irq_gc_lock() instead.
*/
#define irq_gc_lock_irqsave(gc, flags) \
raw_spin_lock_irqsave(&(gc)->lock, flags)
#define irq_gc_unlock_irqrestore(gc, flags) \
raw_spin_unlock_irqrestore(&(gc)->lock, flags)
static inline void irq_reg_writel(struct irq_chip_generic *gc,
u32 val, int reg_offset)
{