diff options
Diffstat (limited to 'kernel/irq/Kconfig')
| -rw-r--r-- | kernel/irq/Kconfig | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig index 5a38bf4de64..d269cecdfbf 100644 --- a/kernel/irq/Kconfig +++ b/kernel/irq/Kconfig @@ -1,19 +1,12 @@ -# Select this to activate the generic irq options below -config HAVE_GENERIC_HARDIRQS - bool - -if HAVE_GENERIC_HARDIRQS menu "IRQ subsystem" -# -# Interrupt subsystem related configuration options -# -config GENERIC_HARDIRQS - def_bool y - # Options selectable by the architecture code # Make sparse irq Kconfig switch below available -config HAVE_SPARSE_IRQ +config MAY_HAVE_SPARSE_IRQ + bool + +# Legacy support, required for itanic +config GENERIC_IRQ_LEGACY bool # Enable the generic irq autoprobe mechanism @@ -28,6 +21,11 @@ config GENERIC_IRQ_SHOW config GENERIC_IRQ_SHOW_LEVEL bool +# Facility to allocate a hardware interrupt. This is legacy support +# and should not be used in new code. Use irq domains instead. +config GENERIC_IRQ_LEGACY_ALLOC_HWIRQ + bool + # Support for delayed migration from interrupt context config GENERIC_PENDING_IRQ bool @@ -51,18 +49,28 @@ config IRQ_EDGE_EOI_HANDLER # Generic configurable interrupt chip implementation config GENERIC_IRQ_CHIP bool + select IRQ_DOMAIN # Generic irq_domain hw <--> linux irq number translation config IRQ_DOMAIN bool +config IRQ_DOMAIN_DEBUG + bool "Expose hardware/virtual IRQ mapping via debugfs" + depends on IRQ_DOMAIN && DEBUG_FS + help + This option will show the mapping relationship between hardware irq + numbers and Linux irq numbers. The mapping is exposed via debugfs + in the file "irq_domain_mapping". + + If you don't know what this means you don't need it. + # Support forced irq threading config IRQ_FORCED_THREADING bool config SPARSE_IRQ - bool "Support sparse irq numbering" - depends on HAVE_SPARSE_IRQ + bool "Support sparse irq numbering" if MAY_HAVE_SPARSE_IRQ ---help--- Sparse irq numbering is useful for distro kernels that want @@ -75,4 +83,3 @@ config SPARSE_IRQ If you don't know what to do here, say N. endmenu -endif |