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The function irq_create_of_mapping() is used to create an interrupt mapping. However, depending on whether the irqdomain, to which the interrupt belongs, is part of a hierarchy, determines whether the mapping is created via calling irq_domain_alloc_irqs() or irq_create_mapping(). To dispose of the interrupt mapping, drivers call irq_dispose_mapping(). However, this function does not check to see if the irqdomain is part of a hierarchy or not and simply assumes that it was mapped via calling irq_create_mapping() so calls irq_domain_disassociate() to unmap the interrupt. Fix this by checking to see if the irqdomain is part of a hierarchy and if so call irq_domain_free_irqs() to free/unmap the interrupt. Signed-off-by: Jon Hunter <jonathanh@nvidia.com> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Jiang Liu <jiang.liu@linux.intel.com> Link: http://lkml.kernel.org/r/1466501002-16368-1-git-send-email-jonathanh@nvidia.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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| .. | ||
| autoprobe.c | ||
| chip.c | ||
| cpuhotplug.c | ||
| debug.h | ||
| devres.c | ||
| dummychip.c | ||
| generic-chip.c | ||
| handle.c | ||
| internals.h | ||
| ipi.c | ||
| irqdesc.c | ||
| irqdomain.c | ||
| Kconfig | ||
| Makefile | ||
| manage.c | ||
| migration.c | ||
| msi.c | ||
| pm.c | ||
| proc.c | ||
| resend.c | ||
| settings.h | ||
| spurious.c | ||