[ARM] Use new get_irqnr_preamble

Use the new get_irqnr_preamble macro to move the address of the IRQ
controller outside the IRQ handling loop.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

8 files changed, 42 insertions, 32 deletions

diff --git a/include/asm-arm/arch-cl7500/entry-macro.S b/include/asm-arm/arch-cl7500/entry-macro.S
index 0cfb89b229d1..038b761fdadc 100644
--- a/include/asm-arm/arch-cl7500/entry-macro.S
+++ b/include/asm-arm/arch-cl7500/entry-macro.S
@@ -1,6 +1,14 @@
 #include <asm/hardware.h>
 #include <asm/hardware/entry-macro-iomd.S>
+
+	.equ	ioc_base_high, IOC_BASE & 0xff000000
+	.equ	ioc_base_low, IOC_BASE & 0x00ff0000
+
 	.macro  get_irqnr_preamble, base, tmp
+	mov	\base, #ioc_base_high		@ point at IOC
+	.if	ioc_base_low
+	orr	\base, \base, #ioc_base_low
+	.endif
 	.endm
 
 	.macro  arch_ret_to_user, tmp1, tmp2
diff --git a/include/asm-arm/arch-ebsa110/entry-macro.S b/include/asm-arm/arch-ebsa110/entry-macro.S
index aa23c5d6c69e..f242be5c49ba 100644
--- a/include/asm-arm/arch-ebsa110/entry-macro.S
+++ b/include/asm-arm/arch-ebsa110/entry-macro.S
@@ -16,13 +16,13 @@
 	.endm
 
 	.macro  get_irqnr_preamble, base, tmp
+	mov	\base, #IRQ_STAT
 	.endm
 
 	.macro  arch_ret_to_user, tmp1, tmp2
 	.endm
 
 	.macro	get_irqnr_and_base, irqnr, stat, base, tmp
-	mov	\base, #IRQ_STAT
 	ldrb	\stat, [\base]			@ get interrupts
 	mov	\irqnr, #0
 	tst	\stat, #15
diff --git a/include/asm-arm/arch-ebsa285/entry-macro.S b/include/asm-arm/arch-ebsa285/entry-macro.S
index 4203dbf10662..e63064edb734 100644
--- a/include/asm-arm/arch-ebsa285/entry-macro.S
+++ b/include/asm-arm/arch-ebsa285/entry-macro.S
@@ -11,24 +11,24 @@
 #include <asm/arch/irqs.h>
 #include <asm/hardware/dec21285.h>
 
+		.equ	dc21285_high, ARMCSR_BASE & 0xff000000
+		.equ	dc21285_low, ARMCSR_BASE & 0x00ffffff
+
 		.macro	disable_fiq
 		.endm
 
 		.macro  get_irqnr_preamble, base, tmp
+		mov	\base, #dc21285_high
+		.if	dc21285_low
+		orr	\base, \base, #dc21285_low
+		.endif
 		.endm
 
 		.macro  arch_ret_to_user, tmp1, tmp2
 		.endm
 
-		.equ	dc21285_high, ARMCSR_BASE & 0xff000000
-		.equ	dc21285_low, ARMCSR_BASE & 0x00ffffff
-
 		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
-		mov	r4, #dc21285_high
-		.if	dc21285_low
-		orr	r4, r4, #dc21285_low
-		.endif
-		ldr	\irqstat, [r4, #0x180]		@ get interrupts
+		ldr	\irqstat, [\base, #0x180]	@ get interrupts
 
 		mov	\irqnr, #IRQ_SDRAMPARITY
 		tst	\irqstat, #IRQ_MASK_SDRAMPARITY
diff --git a/include/asm-arm/arch-realview/entry-macro.S b/include/asm-arm/arch-realview/entry-macro.S
index 138838d4ad75..3b4e2076603a 100644
--- a/include/asm-arm/arch-realview/entry-macro.S
+++ b/include/asm-arm/arch-realview/entry-macro.S
@@ -14,6 +14,7 @@
 		.endm
 
 		.macro  get_irqnr_preamble, base, tmp
+		ldr     \base, =IO_ADDRESS(REALVIEW_GIC_CPU_BASE)
 		.endm
 
 		.macro  arch_ret_to_user, tmp1, tmp2
@@ -40,7 +41,6 @@
 
 		.macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
 
-		ldr     \base, =IO_ADDRESS(REALVIEW_GIC_CPU_BASE)
 		ldr     \irqstat, [\base, #GIC_CPU_INTACK] /* bits 12-10 = src CPU, 9-0 = int # */
 
 		ldr	\tmp, =1021
diff --git a/include/asm-arm/arch-rpc/entry-macro.S b/include/asm-arm/arch-rpc/entry-macro.S
index 0cfb89b229d1..038b761fdadc 100644
--- a/include/asm-arm/arch-rpc/entry-macro.S
+++ b/include/asm-arm/arch-rpc/entry-macro.S
@@ -1,6 +1,14 @@
 #include <asm/hardware.h>
 #include <asm/hardware/entry-macro-iomd.S>
+
+	.equ	ioc_base_high, IOC_BASE & 0xff000000
+	.equ	ioc_base_low, IOC_BASE & 0x00ff0000
+
 	.macro  get_irqnr_preamble, base, tmp
+	mov	\base, #ioc_base_high		@ point at IOC
+	.if	ioc_base_low
+	orr	\base, \base, #ioc_base_low
+	.endif
 	.endm
 
 	.macro  arch_ret_to_user, tmp1, tmp2
diff --git a/include/asm-arm/arch-sa1100/entry-macro.S b/include/asm-arm/arch-sa1100/entry-macro.S
index 028967629340..127db4aaf4f2 100644
--- a/include/asm-arm/arch-sa1100/entry-macro.S
+++ b/include/asm-arm/arch-sa1100/entry-macro.S
@@ -12,16 +12,16 @@
 		.endm
 
 		.macro  get_irqnr_preamble, base, tmp
+		mov	\base, #0xfa000000		@ ICIP = 0xfa050000
+		add	\base, \base, #0x00050000
 		.endm
 
 		.macro  arch_ret_to_user, tmp1, tmp2
 		.endm
 
 		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
-		mov	r4, #0xfa000000			@ ICIP = 0xfa050000
-		add	r4, r4, #0x00050000
-		ldr	\irqstat, [r4]			@ get irqs
-		ldr	\irqnr, [r4, #4]		@ ICMR = 0xfa050004
+		ldr	\irqstat, [\base]		@ get irqs
+		ldr	\irqnr, [\base, #4]		@ ICMR = 0xfa050004
 		ands	\irqstat, \irqstat, \irqnr
 		mov	\irqnr, #0
 		beq	1001f
diff --git a/include/asm-arm/arch-versatile/entry-macro.S b/include/asm-arm/arch-versatile/entry-macro.S
index 0fae002637a0..924d1a8fe360 100644
--- a/include/asm-arm/arch-versatile/entry-macro.S
+++ b/include/asm-arm/arch-versatile/entry-macro.S
@@ -14,13 +14,13 @@
 		.endm
 
 		.macro  get_irqnr_preamble, base, tmp
+		ldr	\base, =IO_ADDRESS(VERSATILE_VIC_BASE)
 		.endm
 
 		.macro  arch_ret_to_user, tmp1, tmp2
 		.endm
 
 		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
-		ldr	\base, =IO_ADDRESS(VERSATILE_VIC_BASE)
 		ldr	\irqstat, [\base, #VIC_IRQ_STATUS]	@ get masked status
 		mov	\irqnr, #0
 		teq	\irqstat, #0
diff --git a/include/asm-arm/hardware/entry-macro-iomd.S b/include/asm-arm/hardware/entry-macro-iomd.S
index fbed08f298d0..9bb580a5b15e 100644
--- a/include/asm-arm/hardware/entry-macro-iomd.S
+++ b/include/asm-arm/hardware/entry-macro-iomd.S
@@ -11,8 +11,6 @@
 /* IOC / IOMD based hardware */
 #include <asm/hardware/iomd.h>
 
-		.equ	ioc_base_high, IOC_BASE & 0xff000000
-		.equ	ioc_base_low, IOC_BASE & 0x00ff0000
 		.macro	disable_fiq
 		mov	r12, #ioc_base_high
 		.if	ioc_base_low
@@ -22,33 +20,29 @@
 		.endm
 
 		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
-		mov	r4, #ioc_base_high		@ point at IOC
-		.if	ioc_base_low
-		orr	r4, r4, #ioc_base_low
-		.endif
-		ldrb	\irqstat, [r4, #IOMD_IRQREQB]	@ get high priority first
-		ldr	\base, =irq_prio_h
+		ldrb	\irqstat, [\base, #IOMD_IRQREQB]	@ get high priority first
+		ldr	\tmp, =irq_prio_h
 		teq	\irqstat, #0
 #ifdef IOMD_BASE
-		ldreqb	\irqstat, [r4, #IOMD_DMAREQ]	@ get dma
-		addeq	\base, \base, #256		@ irq_prio_h table size
+		ldreqb	\irqstat, [\base, #IOMD_DMAREQ]	@ get dma
+		addeq	\tmp, \tmp, #256		@ irq_prio_h table size
 		teqeq	\irqstat, #0
 		bne	2406f
 #endif
-		ldreqb	\irqstat, [r4, #IOMD_IRQREQA]	@ get low priority
-		addeq	\base, \base, #256		@ irq_prio_d table size
+		ldreqb	\irqstat, [\base, #IOMD_IRQREQA]	@ get low priority
+		addeq	\tmp, \tmp, #256		@ irq_prio_d table size
 		teqeq	\irqstat, #0
 #ifdef IOMD_IRQREQC
-		ldreqb	\irqstat, [r4, #IOMD_IRQREQC]
-		addeq	\base, \base, #256		@ irq_prio_l table size
+		ldreqb	\irqstat, [\base, #IOMD_IRQREQC]
+		addeq	\tmp, \tmp, #256		@ irq_prio_l table size
 		teqeq	\irqstat, #0
 #endif
 #ifdef IOMD_IRQREQD
-		ldreqb	\irqstat, [r4, #IOMD_IRQREQD]
-		addeq	\base, \base, #256		@ irq_prio_lc table size
+		ldreqb	\irqstat, [\base, #IOMD_IRQREQD]
+		addeq	\tmp, \tmp, #256		@ irq_prio_lc table size
 		teqeq	\irqstat, #0
 #endif
-2406:		ldrneb	\irqnr, [\base, \irqstat]	@ get IRQ number
+2406:		ldrneb	\irqnr, [\tmp, \irqstat]	@ get IRQ number
 		.endm
 
 /*