[MIPS] IP32: Fixes after interrupt renumbering.

And general untangling.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/sgi-ip32/ip32-irq.c b/arch/mips/sgi-ip32/ip32-irq.c
index 7e8094f617bfd9048edc2179118ec270f40f7403..aab17ddd2f3012bfde1ecd847d2f6683f7205c6c 100644 (file)
--- a/arch/mips/sgi-ip32/ip32-irq.c
+++ b/arch/mips/sgi-ip32/ip32-irq.c
@@ -40,13 +40,6 @@ static void inline flush_mace_bus(void)
        mace->perif.ctrl.misc;
 }
 
-#undef DEBUG_IRQ
-#ifdef DEBUG_IRQ
-#define DBG(x...) printk(x)
-#else
-#define DBG(x...)
-#endif
-
 /*
  * O2 irq map
  *
@@ -125,6 +118,7 @@ struct irqaction memerr_irq = {
        .mask = CPU_MASK_NONE,
        .name = "CRIME memory error",
 };
+
 struct irqaction cpuerr_irq = {
        .handler = crime_cpuerr_intr,
        .flags = IRQF_DISABLED,
@@ -139,46 +133,70 @@ struct irqaction cpuerr_irq = {
 
 static uint64_t crime_mask;
 
-static void enable_crime_irq(unsigned int irq)
+static inline void crime_enable_irq(unsigned int irq)
 {
-       crime_mask |= 1 << (irq - 1);
+       unsigned int bit = irq - CRIME_IRQ_BASE;
+
+       crime_mask |= 1 << bit;
        crime->imask = crime_mask;
 }
 
-static void disable_crime_irq(unsigned int irq)
+static inline void crime_disable_irq(unsigned int irq)
 {
-       crime_mask &= ~(1 << (irq - 1));
+       unsigned int bit = irq - CRIME_IRQ_BASE;
+
+       crime_mask &= ~(1 << bit);
        crime->imask = crime_mask;
        flush_crime_bus();
 }
 
-static void mask_and_ack_crime_irq(unsigned int irq)
+static void crime_level_mask_and_ack_irq(unsigned int irq)
+{
+       crime_disable_irq(irq);
+}
+
+static void crime_level_end_irq(unsigned int irq)
+{
+       if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
+               crime_enable_irq(irq);
+}
+
+static struct irq_chip crime_level_interrupt = {
+       .name           = "IP32 CRIME",
+       .ack            = crime_level_mask_and_ack_irq,
+       .mask           = crime_disable_irq,
+       .mask_ack       = crime_level_mask_and_ack_irq,
+       .unmask         = crime_enable_irq,
+       .end            = crime_level_end_irq,
+};
+
+static void crime_edge_mask_and_ack_irq(unsigned int irq)
 {
+       unsigned int bit = irq - CRIME_IRQ_BASE;
+       uint64_t crime_int;
+
        /* Edge triggered interrupts must be cleared. */
-       if ((irq >= CRIME_GBE0_IRQ && irq <= CRIME_GBE3_IRQ)
-           || (irq >= CRIME_RE_EMPTY_E_IRQ && irq <= CRIME_RE_IDLE_E_IRQ)
-           || (irq >= CRIME_SOFT0_IRQ && irq <= CRIME_SOFT2_IRQ)) {
-               uint64_t crime_int;
-               crime_int = crime->hard_int;
-               crime_int &= ~(1 << (irq - 1));
-               crime->hard_int = crime_int;
-       }
-       disable_crime_irq(irq);
+
+       crime_int = crime->hard_int;
+       crime_int &= ~(1 << bit);
+       crime->hard_int = crime_int;
+
+       crime_disable_irq(irq);
 }
 
-static void end_crime_irq(unsigned int irq)
+static void crime_edge_end_irq(unsigned int irq)
 {
        if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
-               enable_crime_irq(irq);
+               crime_enable_irq(irq);
 }
 
-static struct irq_chip ip32_crime_interrupt = {
-       .name = "IP32 CRIME",
-       .ack = mask_and_ack_crime_irq,
-       .mask = disable_crime_irq,
-       .mask_ack = mask_and_ack_crime_irq,
-       .unmask = enable_crime_irq,
-       .end = end_crime_irq,
+static struct irq_chip crime_edge_interrupt = {
+       .name           = "IP32 CRIME",
+       .ack            = crime_edge_mask_and_ack_irq,
+       .mask           = crime_disable_irq,
+       .mask_ack       = crime_edge_mask_and_ack_irq,
+       .unmask         = crime_enable_irq,
+       .end            = crime_edge_end_irq,
 };
 
 /*
@@ -265,7 +283,7 @@ static void enable_maceisa_irq(unsigned int irq)
 {
        unsigned int crime_int = 0;
 
-       DBG("maceisa enable: %u\n", irq);
+       pr_debug("maceisa enable: %u\n", irq);
 
        switch (irq) {
        case MACEISA_AUDIO_SW_IRQ ... MACEISA_AUDIO3_MERR_IRQ:
@@ -278,7 +296,7 @@ static void enable_maceisa_irq(unsigned int irq)
                crime_int = MACE_SUPERIO_INT;
                break;
        }
-       DBG("crime_int %08x enabled\n", crime_int);
+       pr_debug("crime_int %08x enabled\n", crime_int);
        crime_mask |= crime_int;
        crime->imask = crime_mask;
        maceisa_mask |= 1 << (irq - 33);
@@ -290,11 +308,11 @@ static void disable_maceisa_irq(unsigned int irq)
        unsigned int crime_int = 0;
 
        maceisa_mask &= ~(1 << (irq - 33));
-        if(!(maceisa_mask & MACEISA_AUDIO_INT))
+        if (!(maceisa_mask & MACEISA_AUDIO_INT))
                crime_int |= MACE_AUDIO_INT;
-        if(!(maceisa_mask & MACEISA_MISC_INT))
+        if (!(maceisa_mask & MACEISA_MISC_INT))
                crime_int |= MACE_MISC_INT;
-        if(!(maceisa_mask & MACEISA_SUPERIO_INT))
+        if (!(maceisa_mask & MACEISA_SUPERIO_INT))
                crime_int |= MACE_SUPERIO_INT;
        crime_mask &= ~crime_int;
        crime->imask = crime_mask;
@@ -327,12 +345,12 @@ static void end_maceisa_irq(unsigned irq)
 }
 
 static struct irq_chip ip32_maceisa_interrupt = {
-       .name = "IP32 MACE ISA",
-       .ack = mask_and_ack_maceisa_irq,
-       .mask = disable_maceisa_irq,
-       .mask_ack = mask_and_ack_maceisa_irq,
-       .unmask = enable_maceisa_irq,
-       .end = end_maceisa_irq,
+       .name           = "IP32 MACE ISA",
+       .ack            = mask_and_ack_maceisa_irq,
+       .mask           = disable_maceisa_irq,
+       .mask_ack       = mask_and_ack_maceisa_irq,
+       .unmask         = enable_maceisa_irq,
+       .end            = end_maceisa_irq,
 };
 
 /* This is used for regular non-ISA, non-PCI MACE interrupts.  That means
@@ -411,7 +429,7 @@ static void ip32_irq0(void)
                irq = __ffs(mace_int & maceisa_mask) + MACEISA_AUDIO_SW_IRQ;
        }
 
-       DBG("*irq %u*\n", irq);
+       pr_debug("*irq %u*\n", irq);
        do_IRQ(irq);
 }
 
@@ -472,23 +490,31 @@ void __init arch_init_irq(void)
 
        mips_cpu_irq_init();
        for (irq = MIPS_CPU_IRQ_BASE + 8; irq <= IP32_IRQ_MAX; irq++) {
-               struct irq_chip *chip;
-
                switch (irq) {
                case MACE_VID_IN1_IRQ ... MACE_PCI_BRIDGE_IRQ:
-                       chip = &ip32_mace_interrupt;
+                       set_irq_chip(irq, &ip32_mace_interrupt);
                        break;
                case MACEPCI_SCSI0_IRQ ...  MACEPCI_SHARED2_IRQ:
-                       chip = &ip32_macepci_interrupt;
+                       set_irq_chip(irq, &ip32_macepci_interrupt);
+                       break;
+               case CRIME_GBE0_IRQ ... CRIME_GBE3_IRQ:
+                       set_irq_chip(irq, &crime_edge_interrupt);
+                       break;
+               case CRIME_CPUERR_IRQ:
+               case CRIME_MEMERR_IRQ:
+                       set_irq_chip(irq, &crime_level_interrupt);
                        break;
-               case CRIME_GBE0_IRQ ... CRIME_VICE_IRQ:
-                       chip = &ip32_crime_interrupt;
+               case CRIME_RE_EMPTY_E_IRQ ... CRIME_RE_IDLE_E_IRQ:
+               case CRIME_SOFT0_IRQ ... CRIME_SOFT2_IRQ:
+                       set_irq_chip(irq, &crime_edge_interrupt);
+                       break;
+               case CRIME_VICE_IRQ:
+                       set_irq_chip(irq, &crime_edge_interrupt);
                        break;
                default:
-                       chip = &ip32_maceisa_interrupt;
+                       set_irq_chip(irq, &ip32_maceisa_interrupt);
+                       break;
                }
-
-               set_irq_chip(irq, chip);
        }
        setup_irq(CRIME_MEMERR_IRQ, &memerr_irq);
        setup_irq(CRIME_CPUERR_IRQ, &cpuerr_irq);

diff --git a/include/asm-mips/ip32/ip32_ints.h b/include/asm-mips/ip32/ip32_ints.h
index 042f821899a85c89318ea2b748e9a95ddaf6e732..ab5612f90f6f8d433426f8311120f912e1d056cd 100644 (file)
--- a/include/asm-mips/ip32/ip32_ints.h
+++ b/include/asm-mips/ip32/ip32_ints.h
@@ -22,10 +22,12 @@ enum ip32_irq_no {
         * CPU interrupts are 0 ... 7
         */
 
+       CRIME_IRQ_BASE                  = MIPS_CPU_IRQ_BASE,
+
        /*
         * MACE
         */
-       MACE_VID_IN1_IRQ                = MIPS_CPU_IRQ_BASE + 8,
+       MACE_VID_IN1_IRQ                = CRIME_IRQ_BASE,
        MACE_VID_IN2_IRQ,
        MACE_VID_OUT_IRQ,
        MACE_ETHERNET_IRQ,