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genirq: Introduce helper function irq_data_get_node()

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Introduce helper function irq_data_get_node() and variants thereof to
hide struct irq_data implementation details.

Convert the core code to use them.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Kevin Cernekee <cernekee@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Link: http://lkml.kernel.org/r/1433145945-789-5-git-send-email-jiang.liu@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Jiang Liu
2015-06-01 16:05:13 +08:00
committed by Thomas Gleixner
parent 0d0b4c866b
commit 6783011b48
6 changed files with 15 additions and 10 deletions
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8
kernel/irq/irqdesc.c
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@@ -59,16 +59,10 @@ static void desc_smp_init(struct irq_desc *desc, int node)
#endif
}
static inline int desc_node(struct irq_desc *desc)
{
return desc->irq_data.node;
}
#else
static inline int
alloc_masks(struct irq_desc *desc, gfp_t gfp, int node) { return 0; }
static inline void desc_smp_init(struct irq_desc *desc, int node) { }
static inline int desc_node(struct irq_desc *desc) { return 0; }
#endif
static void desc_set_defaults(unsigned int irq, struct irq_desc *desc, int node,
@@ -300,7 +294,7 @@ static void free_desc(unsigned int irq)
unsigned long flags;
raw_spin_lock_irqsave(&desc->lock, flags);
desc_set_defaults(irq, desc, desc_node(desc), NULL);
desc_set_defaults(irq, desc, irq_desc_get_node(desc), NULL);
raw_spin_unlock_irqrestore(&desc->lock, flags);
}