diff options
Diffstat (limited to 'drivers/sh/intc/Kconfig')
| -rw-r--r-- | drivers/sh/intc/Kconfig | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/sh/intc/Kconfig b/drivers/sh/intc/Kconfig new file mode 100644 index 0000000..c88cbcc --- /dev/null +++ b/drivers/sh/intc/Kconfig @@ -0,0 +1,35 @@ +comment "Interrupt controller options" + +config INTC_USERIMASK + bool "Userspace interrupt masking support" + depends on ARCH_SHMOBILE || (SUPERH && CPU_SH4A) + help + This enables support for hardware-assisted userspace hardirq + masking. + + SH-4A and newer interrupt blocks all support a special shadowed + page with all non-masking registers obscured when mapped in to + userspace. This is primarily for use by userspace device + drivers that are using special priority levels. + + If in doubt, say N. + +config INTC_BALANCING + bool "Hardware IRQ balancing support" + depends on SMP && SUPERH && CPU_SHX3 + help + This enables support for IRQ auto-distribution mode on SH-X3 + SMP parts. All of the balancing and CPU wakeup decisions are + taken care of automatically by hardware for distributed + vectors. + + If in doubt, say N. + +config INTC_MAPPING_DEBUG + bool "Expose IRQ to per-controller id mapping via debugfs" + depends on DEBUG_FS + help + This will create a debugfs entry for showing the relationship + between system IRQs and the per-controller id tables. + + If in doubt, say N. |