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authorJiang Liu <jiang.liu@linux.intel.com>2015-06-01 11:05:23 +0300
committerThomas Gleixner <tglx@linutronix.de>2015-06-12 17:54:21 +0300
commitc64301a230a64dfc2fcf4581cd98a2d703f3c057 (patch)
tree06a4061df6a5e3ce29966b1c7bf3d756233df9aa /include/linux/irq.h
parent6783011b48096b9a0c239d0f7645f93070b6eefd (diff)
downloadlinux-c64301a230a64dfc2fcf4581cd98a2d703f3c057.tar.xz
genirq: Introduce helper function irq_data_get_affinity_mask()
Introduce helper function irq_data_get_affinity_mask() and irq_get_affinity_mask() to hide implementation details, so we could move field 'affinity' from struct irq_data into struct irq_common_data later. Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> 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/1433145945-789-15-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/irq.h')
-rw-r--r--include/linux/irq.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h
index b3b82a5344c8..1e0ccef205ed 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -645,6 +645,18 @@ static inline int irq_data_get_node(struct irq_data *d)
return d->node;
}
+static inline struct cpumask *irq_get_affinity_mask(int irq)
+{
+ struct irq_data *d = irq_get_irq_data(irq);
+
+ return d ? d->affinity : NULL;
+}
+
+static inline struct cpumask *irq_data_get_affinity_mask(struct irq_data *d)
+{
+ return d->affinity;
+}
+
unsigned int arch_dynirq_lower_bound(unsigned int from);
int __irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node,