diff options
Diffstat (limited to 'kernel/irq/Kconfig')
| -rw-r--r-- | kernel/irq/Kconfig | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig index 5a38bf4de641..d1a758bc972a 100644 --- a/kernel/irq/Kconfig +++ b/kernel/irq/Kconfig @@ -13,7 +13,7 @@ config GENERIC_HARDIRQS # Options selectable by the architecture code # Make sparse irq Kconfig switch below available -config HAVE_SPARSE_IRQ +config MAY_HAVE_SPARSE_IRQ bool # Enable the generic irq autoprobe mechanism @@ -56,13 +56,22 @@ config GENERIC_IRQ_CHIP 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 |