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dmaengine: ipu: Consolidate chained IRQ handler install/remove

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Chained irq handlers usually set up handler data as well. We now have
a function to set both under irq_desc->lock. Replace the two calls
with one.

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Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: dmaengine@vger.kernel.org
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Thomas Gleixner 2015-07-13 20:39:52 +00:00 committed by Vinod Koul
parent 03734485b7
commit d7fdb35690
1 changed files with 4 additions and 8 deletions
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12
drivers/dma/ipu/ipu_irq.c
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@ -382,11 +382,9 @@ int __init ipu_irq_attach_irq(struct ipu *ipu, struct platform_device *dev)
#endif
}
irq_set_handler_data(ipu->irq_fn, ipu);
irq_set_chained_handler(ipu->irq_fn, ipu_irq_fn);
irq_set_chained_handler_and_data(ipu->irq_fn, ipu_irq_fn, ipu);
irq_set_handler_data(ipu->irq_err, ipu);
irq_set_chained_handler(ipu->irq_err, ipu_irq_err);
irq_set_chained_handler_and_data(ipu->irq_err, ipu_irq_err, ipu);
ipu->irq_base = irq_base;
@ -399,11 +397,9 @@ void ipu_irq_detach_irq(struct ipu *ipu, struct platform_device *dev)
irq_base = ipu->irq_base;
irq_set_chained_handler(ipu->irq_fn, NULL);
irq_set_handler_data(ipu->irq_fn, NULL);
irq_set_chained_handler_and_data(ipu->irq_fn, NULL, NULL);
irq_set_chained_handler(ipu->irq_err, NULL);
irq_set_handler_data(ipu->irq_err, NULL);
irq_set_chained_handler_and_data(ipu->irq_err, NULL, NULL);
for (irq = irq_base; irq < irq_base + CONFIG_MX3_IPU_IRQS; irq++) {
#ifdef CONFIG_ARM