[MIPS] Use ARRAY_SIZE macro when appropriate

[sfrench/cifs-2.6.git] / arch / mips / mips-boards / atlas / atlas_int.c

diff --git a/arch/mips/mips-boards/atlas/atlas_int.c b/arch/mips/mips-boards/atlas/atlas_int.c
index a020a3cb4f4bc4767130546fc287f0c09f1cb049..dfa0acbd7fc2b79eeee0bbd6dfefb29e9456592a 100644 (file)
--- a/arch/mips/mips-boards/atlas/atlas_int.c
+++ b/arch/mips/mips-boards/atlas/atlas_int.c
@@ -32,6 +32,7 @@
 #include <linux/slab.h>
 #include <linux/interrupt.h>
 #include <linux/kernel_stat.h>
+#include <linux/kernel.h>
 
 #include <asm/gdb-stub.h>
 #include <asm/io.h>
@@ -62,16 +63,6 @@ void enable_atlas_irq(unsigned int irq_nr)
        iob();
 }
 
-static unsigned int startup_atlas_irq(unsigned int irq)
-{
-       enable_atlas_irq(irq);
-       return 0; /* never anything pending */
-}
-
-#define shutdown_atlas_irq     disable_atlas_irq
-
-#define mask_and_ack_atlas_irq disable_atlas_irq
-
 static void end_atlas_irq(unsigned int irq)
 {
        if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
@@ -79,12 +70,12 @@ static void end_atlas_irq(unsigned int irq)
 }
 
 static struct irq_chip atlas_irq_type = {
-       .typename = "Atlas",
-       .startup = startup_atlas_irq,
-       .shutdown = shutdown_atlas_irq,
-       .enable = enable_atlas_irq,
-       .disable = disable_atlas_irq,
-       .ack = mask_and_ack_atlas_irq,
+       .name = "Atlas",
+       .ack = disable_atlas_irq,
+       .mask = disable_atlas_irq,
+       .mask_ack = disable_atlas_irq,
+       .unmask = enable_atlas_irq,
+       .eoi = enable_atlas_irq,
        .end = end_atlas_irq,
 };
 
@@ -101,7 +92,7 @@ static inline int ls1bit32(unsigned int x)
        return b;
 }
 
-static inline void atlas_hw0_irqdispatch(struct pt_regs *regs)
+static inline void atlas_hw0_irqdispatch(void)
 {
        unsigned long int_status;
        int irq;
@@ -116,7 +107,7 @@ static inline void atlas_hw0_irqdispatch(struct pt_regs *regs)
 
        DEBUG_INT("atlas_hw0_irqdispatch: irq=%d\n", irq);
 
-       do_IRQ(irq, regs);
+       do_IRQ(irq);
 }
 
 static inline int clz(unsigned long x)
@@ -188,7 +179,7 @@ static inline unsigned int irq_ffs(unsigned int pending)
  * then we just return, if multiple IRQs are pending then we will just take
  * another exception, big deal.
  */
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
 {
        unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM;
        int irq;
@@ -196,11 +187,11 @@ asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
        irq = irq_ffs(pending);
 
        if (irq == MIPSCPU_INT_ATLAS)
-               atlas_hw0_irqdispatch(regs);
+               atlas_hw0_irqdispatch();
        else if (irq >= 0)
-               do_IRQ(MIPSCPU_INT_BASE + irq, regs);
+               do_IRQ(MIPSCPU_INT_BASE + irq);
        else
-               spurious_interrupt(regs);
+               spurious_interrupt();
 }
 
 static inline void init_atlas_irqs (int base)
@@ -217,13 +208,8 @@ static inline void init_atlas_irqs (int base)
         */
        atlas_hw0_icregs->intrsten = 0xffffffff;
 
-       for (i = ATLAS_INT_BASE; i <= ATLAS_INT_END; i++) {
-               irq_desc[i].status      = IRQ_DISABLED;
-               irq_desc[i].action      = 0;
-               irq_desc[i].depth       = 1;
-               irq_desc[i].chip        = &atlas_irq_type;
-               spin_lock_init(&irq_desc[i].lock);
-       }
+       for (i = ATLAS_INT_BASE; i <= ATLAS_INT_END; i++)
+               set_irq_chip_and_handler(i, &atlas_irq_type, handle_level_irq);
 }
 
 static struct irqaction atlasirq = {
@@ -235,7 +221,7 @@ msc_irqmap_t __initdata msc_irqmap[] = {
        {MSC01C_INT_TMR,                MSC01_IRQ_EDGE, 0},
        {MSC01C_INT_PCI,                MSC01_IRQ_LEVEL, 0},
 };
-int __initdata msc_nr_irqs = sizeof(msc_irqmap) / sizeof(*msc_irqmap);
+int __initdata msc_nr_irqs = ARRAY_SIZE(msc_irqmap);
 
 msc_irqmap_t __initdata msc_eicirqmap[] = {
        {MSC01E_INT_SW0,                MSC01_IRQ_LEVEL, 0},
@@ -246,14 +232,14 @@ msc_irqmap_t __initdata msc_eicirqmap[] = {
        {MSC01E_INT_PERFCTR,            MSC01_IRQ_LEVEL, 0},
        {MSC01E_INT_CPUCTR,             MSC01_IRQ_LEVEL, 0}
 };
-int __initdata msc_nr_eicirqs = sizeof(msc_eicirqmap) / sizeof(*msc_eicirqmap);
+int __initdata msc_nr_eicirqs = ARRAY_SIZE(msc_eicirqmap);
 
 void __init arch_init_irq(void)
 {
        init_atlas_irqs(ATLAS_INT_BASE);
 
        if (!cpu_has_veic)
-               mips_cpu_irq_init(MIPSCPU_INT_BASE);
+               mips_cpu_irq_init();
 
        switch(mips_revision_corid) {
        case MIPS_REVISION_CORID_CORE_MSC: