diff options
Diffstat (limited to 'kernel/irq/Kconfig')
| -rw-r--r-- | kernel/irq/Kconfig | 60 |
1 files changed, 38 insertions, 22 deletions
diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig index 09bef82d74c..d269cecdfbf 100644 --- a/kernel/irq/Kconfig +++ b/kernel/irq/Kconfig @@ -1,26 +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 - -# Select this to disable the deprecated stuff -config GENERIC_HARDIRQS_NO_DEPRECATED - bool - -config GENERIC_HARDIRQS_NO_COMPAT - bool - # 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 @@ -31,6 +17,15 @@ config GENERIC_IRQ_PROBE config GENERIC_IRQ_SHOW bool +# Print level/edge extra information +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 @@ -47,13 +42,35 @@ config HARDIRQS_SW_RESEND config IRQ_PREFLOW_FASTEOI bool +# Edge style eoi based handler (cell) +config IRQ_EDGE_EOI_HANDLER + bool + +# 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 @@ -66,4 +83,3 @@ config SPARSE_IRQ If you don't know what to do here, say N. endmenu -endif |