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Linux/drivers/sh/intc/Kconfig

  1 config SH_INTC
  2         def_bool y
  3         select IRQ_DOMAIN
  4 
  5 comment "Interrupt controller options"
  6 
  7 config INTC_USERIMASK
  8         bool "Userspace interrupt masking support"
  9         depends on ARCH_SHMOBILE || (SUPERH && CPU_SH4A)
 10         help
 11           This enables support for hardware-assisted userspace hardirq
 12           masking.
 13 
 14           SH-4A and newer interrupt blocks all support a special shadowed
 15           page with all non-masking registers obscured when mapped in to
 16           userspace. This is primarily for use by userspace device
 17           drivers that are using special priority levels.
 18 
 19           If in doubt, say N.
 20 
 21 config INTC_BALANCING
 22         bool "Hardware IRQ balancing support"
 23         depends on SMP && SUPERH && CPU_SHX3
 24         help
 25           This enables support for IRQ auto-distribution mode on SH-X3
 26           SMP parts. All of the balancing and CPU wakeup decisions are
 27           taken care of automatically by hardware for distributed
 28           vectors.
 29 
 30           If in doubt, say N.
 31 
 32 config INTC_MAPPING_DEBUG
 33         bool "Expose IRQ to per-controller id mapping via debugfs"
 34         depends on DEBUG_FS
 35         help
 36           This will create a debugfs entry for showing the relationship
 37           between system IRQs and the per-controller id tables.
 38 
 39           If in doubt, say N.

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