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authorLinus Torvalds <torvalds@linux-foundation.org>2017-04-14 16:57:14 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-04-14 16:57:14 -0700
commitd295917a47e99fe43f1efb14261612e67120e4bb (patch)
treea856e8df733b8aed1add4f017740293862c156d6 /drivers
parentf399ecb4b49b3b6afb5bbb613bfa3728682a3e4f (diff)
parent75eb5e1e7b4edbc8e8f930de59004d21cb46961f (diff)
downloadlinux-d295917a47e99fe43f1efb14261612e67120e4bb.tar.gz
Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
 "The irq department provides:

   - two fixes for the CPU affinity spread infrastructure to prevent
     unbalanced spreading in corner cases which leads to horrible
     performance, because interrupts are rather aggregated than spread

   - add a missing spinlock initializer in the imx-gpcv2 init code"

* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  irqchip/irq-imx-gpcv2: Fix spinlock initialization
  irq/affinity: Fix extra vecs calculation
  irq/affinity: Fix CPU spread for unbalanced nodes
Diffstat (limited to 'drivers')
-rw-r--r--drivers/irqchip/irq-imx-gpcv2.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-imx-gpcv2.c b/drivers/irqchip/irq-imx-gpcv2.c
index 15af9a9753e5..2d203b422129 100644
--- a/drivers/irqchip/irq-imx-gpcv2.c
+++ b/drivers/irqchip/irq-imx-gpcv2.c
@@ -230,6 +230,8 @@ static int __init imx_gpcv2_irqchip_init(struct device_node *node,
 		return -ENOMEM;
 	}
 
+	raw_spin_lock_init(&cd->rlock);
+
 	cd->gpc_base = of_iomap(node, 0);
 	if (!cd->gpc_base) {
 		pr_err("fsl-gpcv2: unable to map gpc registers\n");