[ARM] 3709/1: pnx4008: convert to generic irq subsystem

Patch from Vitaly Wool

Convert pnx4008 chip support to use generic irq subsystem

Signed-off-by: Vitaly Wool <vitalywool@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 10 insertions, 12 deletions

diff --git a/arch/arm/mach-pnx4008/irq.c b/arch/arm/mach-pnx4008/irq.c
index 9b0a8e084e99..3a4bcf3d91fa 100644
--- a/arch/arm/mach-pnx4008/irq.c
+++ b/arch/arm/mach-pnx4008/irq.c
@@ -22,8 +22,8 @@
 #include <linux/init.h>
 #include <linux/ioport.h>
 #include <linux/device.h>
+#include <linux/irq.h>
 #include <asm/hardware.h>
-#include <asm/irq.h>
 #include <asm/io.h>
 #include <asm/setup.h>
 #include <asm/mach-types.h>
@@ -96,26 +96,24 @@ void __init pnx4008_init_irq(void)
 {
         unsigned int i;
 
-        /* configure and enable IRQ 0,1,30,31 (cascade interrupts) mask all others */
+        /* configure IRQ's */
+        for (i = 0; i < NR_IRQS; i++) {
+                set_irq_flags(i, IRQF_VALID);
+                set_irq_chip(i, &pnx4008_irq_chip);
+                pnx4008_set_irq_type(i, pnx4008_irq_type[i]);
+        }
+
+        /* configure and enable IRQ 0,1,30,31 (cascade interrupts) */
         pnx4008_set_irq_type(SUB1_IRQ_N, pnx4008_irq_type[SUB1_IRQ_N]);
         pnx4008_set_irq_type(SUB2_IRQ_N, pnx4008_irq_type[SUB2_IRQ_N]);
         pnx4008_set_irq_type(SUB1_FIQ_N, pnx4008_irq_type[SUB1_FIQ_N]);
         pnx4008_set_irq_type(SUB2_FIQ_N, pnx4008_irq_type[SUB2_FIQ_N]);
 
+        /* mask all others */
         __raw_writel((1 << SUB2_FIQ_N) | (1 << SUB1_FIQ_N) |
                         (1 << SUB2_IRQ_N) | (1 << SUB1_IRQ_N),
                 INTC_ER(MAIN_BASE_INT));
         __raw_writel(0, INTC_ER(SIC1_BASE_INT));
         __raw_writel(0, INTC_ER(SIC2_BASE_INT));
-
-        /* configure all other IRQ's */
-        for (i = 0; i < NR_IRQS; i++) {
-                if (i == SUB2_FIQ_N || i == SUB1_FIQ_N ||
-                        i == SUB2_IRQ_N || i == SUB1_IRQ_N)
-                        continue;
-                set_irq_flags(i, IRQF_VALID);
-                set_irq_chip(i, &pnx4008_irq_chip);
-                pnx4008_set_irq_type(i, pnx4008_irq_type[i]);
-        }
 }