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authorMarc Zyngier <marc.zyngier@arm.com>2011-09-06 09:23:26 +0100
committerMarc Zyngier <marc.zyngier@arm.com>2011-11-15 18:13:03 +0000
commitabeb24ae4d3e543ecf0104cff08a3af4e7a42479 (patch)
tree899f014c399f7e30c8a7709ac01f6ab36a96e250 /arch/arm/mach-pxa/include
parentdb0d4db22a78d31c59087f7057b8f1612fecc35d (diff)
downloadop-kernel-dev-abeb24ae4d3e543ecf0104cff08a3af4e7a42479.zip
op-kernel-dev-abeb24ae4d3e543ecf0104cff08a3af4e7a42479.tar.gz
ARM: Make global handler and CONFIG_MULTI_IRQ_HANDLER mutually exclusive
Even when CONFIG_MULTI_IRQ_HANDLER is selected, the core code requires the arch_irq_handler_default macro to be defined as a fallback. It turns out nobody is using that particular feature as both PXA and shmobile have all their machine descriptors populated with the interrupt handler, leaving unused code (or empty macros) in their entry-macro.S file just to be able to compile entry-armv.S. Make CONFIG_MULTI_IRQ_HANDLER exclusive wrt arch_irq_handler_default, which allows to remove one test from the hot path. Also cleanup both PXA and shmobile entry-macro.S. Cc: Paul Mundt <lethal@linux-sh.org> Acked-by: Nicolas Pitre <nico@linaro.org> Acked-by: Eric Miao <eric.y.miao@gmail.com> Tested-by: Jamie Iles <jamie@jamieiles.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/arm/mach-pxa/include')
-rw-r--r--arch/arm/mach-pxa/include/mach/entry-macro.S36
1 files changed, 0 insertions, 36 deletions
diff --git a/arch/arm/mach-pxa/include/mach/entry-macro.S b/arch/arm/mach-pxa/include/mach/entry-macro.S
index a73bc86..260c0c1 100644
--- a/arch/arm/mach-pxa/include/mach/entry-macro.S
+++ b/arch/arm/mach-pxa/include/mach/entry-macro.S
@@ -7,45 +7,9 @@
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
-#include <mach/hardware.h>
-#include <mach/irqs.h>
.macro disable_fiq
.endm
- .macro get_irqnr_preamble, base, tmp
- .endm
-
.macro arch_ret_to_user, tmp1, tmp2
.endm
-
- .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
- mrc p15, 0, \tmp, c0, c0, 0 @ CPUID
- mov \tmp, \tmp, lsr #13
- and \tmp, \tmp, #0x7 @ Core G
- cmp \tmp, #1
- bhi 1002f
-
- @ Core Generation 1 (PXA25x)
- mov \base, #io_p2v(0x40000000) @ IIR Ctl = 0x40d00000
- add \base, \base, #0x00d00000
- ldr \irqstat, [\base, #0] @ ICIP
- ldr \irqnr, [\base, #4] @ ICMR
-
- ands \irqnr, \irqstat, \irqnr
- beq 1001f
- rsb \irqstat, \irqnr, #0
- and \irqstat, \irqstat, \irqnr
- clz \irqnr, \irqstat
- rsb \irqnr, \irqnr, #(31 + PXA_IRQ(0))
- b 1001f
-1002:
- @ Core Generation 2 (PXA27x) or Core Generation 3 (PXA3xx)
- mrc p6, 0, \irqstat, c5, c0, 0 @ ICHP
- tst \irqstat, #0x80000000
- beq 1001f
- bic \irqstat, \irqstat, #0x80000000
- mov \irqnr, \irqstat, lsr #16
- add \irqnr, \irqnr, #(PXA_IRQ(0))
-1001:
- .endm
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