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irq: make SPARSE_IRQ an optionally hidden option 

On ARM, we don't want SPARSE_IRQ to be a user visible option. Make
SPARSE_IRQ visible based on MAY_HAVE_SPARSE_IRQ instead of depending
on HAVE_SPARSE_IRQ.

With this, SPARSE_IRQ is not visible on C6X and ARM.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Mark Salter <msalter@redhat.com>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-c6x-dev@linux-c6x.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-sh@vger.kernel.org
This commit is contained in:
Rob Herring 2012-01-25 20:02:40 -06:00
parent dcd6c92267
commit 2ed86b16ea
6 changed files with 5 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm/Kconfig
View File

@ -28,7 +28,6 @@ config ARM
select HAVE_HW_BREAKPOINT if (PERF_EVENTS && (CPU_V6 || CPU_V6K || CPU_V7))
select HAVE_C_RECORDMCOUNT
select HAVE_GENERIC_HARDIRQS
select HAVE_SPARSE_IRQ
select GENERIC_IRQ_SHOW
select CPU_PM if (SUSPEND || CPU_IDLE)
select GENERIC_PCI_IOMAP

2
arch/c6x/Kconfig
View File

@ -11,7 +11,7 @@ config TMS320C6X
select HAVE_DMA_API_DEBUG
select HAVE_GENERIC_HARDIRQS
select HAVE_MEMBLOCK
select HAVE_SPARSE_IRQ
select SPARSE_IRQ
select OF
select OF_EARLY_FLATTREE

2
arch/powerpc/Kconfig
View File

@ -133,7 +133,7 @@ config PPC
select HAVE_REGS_AND_STACK_ACCESS_API
select HAVE_HW_BREAKPOINT if PERF_EVENTS && PPC_BOOK3S_64
select HAVE_GENERIC_HARDIRQS
select HAVE_SPARSE_IRQ
select MAY_HAVE_SPARSE_IRQ
select IRQ_PER_CPU
select GENERIC_IRQ_SHOW
select GENERIC_IRQ_SHOW_LEVEL

2
arch/sh/Kconfig
View File

@ -22,7 +22,7 @@ config SUPERH
select HAVE_SYSCALL_TRACEPOINTS
select HAVE_REGS_AND_STACK_ACCESS_API
select HAVE_GENERIC_HARDIRQS
select HAVE_SPARSE_IRQ
select MAY_HAVE_SPARSE_IRQ
select IRQ_FORCED_THREADING
select RTC_LIB
select GENERIC_ATOMIC64

1
arch/x86/Kconfig
View File

@ -69,7 +69,6 @@ config X86
select HAVE_ARCH_JUMP_LABEL
select HAVE_TEXT_POKE_SMP
select HAVE_GENERIC_HARDIRQS
select HAVE_SPARSE_IRQ
select SPARSE_IRQ
select GENERIC_FIND_FIRST_BIT
select GENERIC_IRQ_PROBE

5
kernel/irq/Kconfig
View File

@ -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
@ -61,8 +61,7 @@ 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