[SPARC64]: Kill ebus/isa range and interrupt mapping struct members.

Unused outside of initial bus probe scan.

Signed-off-by: David S. Miller <davem@davemloft.net>

4 files changed, 41 insertions, 105 deletions

diff --git a/arch/sparc64/kernel/ebus.c b/arch/sparc64/kernel/ebus.c
index 919a91d9e5de..33d79e10c653 100644
--- a/arch/sparc64/kernel/ebus.c
+++ b/arch/sparc64/kernel/ebus.c
@@ -283,60 +283,32 @@ static inline void *ebus_alloc(size_t size)
         return mem;
 }
 
-static void __init ebus_ranges_init(struct linux_ebus *ebus)
-{
-        struct linux_prom_ebus_ranges *rngs;
-        int len;
-
-        ebus->num_ebus_ranges = 0;
-        rngs = of_get_property(ebus->prom_node, "ranges", &len);
-        if (rngs) {
-                memcpy(ebus->ebus_ranges, rngs, len);
-                ebus->num_ebus_ranges =
-                        (len / sizeof(struct linux_prom_ebus_ranges));
-        }
-}
-
-static void __init ebus_intmap_init(struct linux_ebus *ebus)
+int __init ebus_intmap_match(struct linux_ebus *ebus,
+                             struct linux_prom_registers *reg,
+                             int *interrupt)
 {
         struct linux_prom_ebus_intmap *imap;
         struct linux_prom_ebus_intmask *imask;
-        int len;
+        unsigned int hi, lo, irq;
+        int i, len, n_imap;
 
-        ebus->num_ebus_intmap = 0;
         imap = of_get_property(ebus->prom_node, "interrupt-map", &len);
         if (!imap)
-                return;
-
-        memcpy(ebus->ebus_intmap, imap, len);
-        ebus->num_ebus_intmap = (len / sizeof(struct linux_prom_ebus_intmap));
-
-        imask = of_get_property(ebus->prom_node, "interrupt-map-mask", &len);
-        if (!imask) {
-                prom_printf("EBUS: can't get interrupt-map-mask\n");
-                prom_halt();
-        }
-        memcpy(&ebus->ebus_intmask, imask, sizeof(ebus->ebus_intmask));
-}
-
-int __init ebus_intmap_match(struct linux_ebus *ebus,
-                             struct linux_prom_registers *reg,
-                             int *interrupt)
-{
-        unsigned int hi, lo, irq;
-        int i;
+                return 0;
+        n_imap = len / sizeof(imap[0]);
 
-        if (!ebus->num_ebus_intmap)
+        imask = of_get_property(ebus->prom_node, "interrupt-map-mask", NULL);
+        if (!imask)
                 return 0;
 
-        hi = reg->which_io & ebus->ebus_intmask.phys_hi;
-        lo = reg->phys_addr & ebus->ebus_intmask.phys_lo;
-        irq = *interrupt & ebus->ebus_intmask.interrupt;
-        for (i = 0; i < ebus->num_ebus_intmap; i++) {
-                if ((ebus->ebus_intmap[i].phys_hi == hi) &&
-                    (ebus->ebus_intmap[i].phys_lo == lo) &&
-                    (ebus->ebus_intmap[i].interrupt == irq)) {
-                        *interrupt = ebus->ebus_intmap[i].cinterrupt;
+        hi = reg->which_io & imask->phys_hi;
+        lo = reg->phys_addr & imask->phys_lo;
+        irq = *interrupt & imask->interrupt;
+        for (i = 0; i < n_imap; i++) {
+                if ((imap[i].phys_hi == hi) &&
+                    (imap[i].phys_lo == lo) &&
+                    (imap[i].interrupt == irq)) {
+                        *interrupt = imap[i].cinterrupt;
                         return 0;
                 }
         }
@@ -598,9 +570,6 @@ void __init ebus_init(void)
                 ebus->self = pdev;
                 ebus->parent = pbm = cookie->pbm;
 
-                ebus_ranges_init(ebus);
-                ebus_intmap_init(ebus);
-
                 child = dp->child;
                 if (!child)
                         goto next_ebus;
diff --git a/arch/sparc64/kernel/isa.c b/arch/sparc64/kernel/isa.c
index 8c8c5a491ad6..2693f2de549c 100644
--- a/arch/sparc64/kernel/isa.c
+++ b/arch/sparc64/kernel/isa.c
@@ -72,19 +72,30 @@ static struct {
 static int __init isa_dev_get_irq_using_imap(struct sparc_isa_device *isa_dev,
                                              struct sparc_isa_bridge *isa_br,
                                              int *interrupt,
-                                             struct linux_prom_registers *pregs)
+                                             struct linux_prom_registers *reg)
 {
+        struct linux_prom_ebus_intmap *imap;
+        struct linux_prom_ebus_intmap *imask;
         unsigned int hi, lo, irq;
-        int i;
-
-        hi = pregs->which_io & isa_br->isa_intmask.phys_hi;
-        lo = pregs->phys_addr & isa_br->isa_intmask.phys_lo;
-        irq = *interrupt & isa_br->isa_intmask.interrupt;
-        for (i = 0; i < isa_br->num_isa_intmap; i++) {
-                if ((isa_br->isa_intmap[i].phys_hi == hi) &&
-                    (isa_br->isa_intmap[i].phys_lo == lo) &&
-                    (isa_br->isa_intmap[i].interrupt == irq)) {
-                        *interrupt = isa_br->isa_intmap[i].cinterrupt;
+        int i, len, n_imap;
+
+        imap = of_get_property(isa_br->prom_node, "interrupt-map", &len);
+        if (!imap)
+                return 0;
+        n_imap = len / sizeof(imap[0]);
+
+        imask = of_get_property(isa_br->prom_node, "interrupt-map-mask", NULL);
+        if (!imask)
+                return 0;
+
+        hi = reg->which_io & imask->phys_hi;
+        lo = reg->phys_addr & imask->phys_lo;
+        irq = *interrupt & imask->interrupt;
+        for (i = 0; i < n_imap; i++) {
+                if ((imap[i].phys_hi == hi) &&
+                    (imap[i].phys_lo == lo) &&
+                    (imap[i].interrupt == irq)) {
+                        *interrupt = imap[i].cinterrupt;
                         return 0;
                 }
         }
@@ -105,7 +116,8 @@ static void __init isa_dev_get_irq(struct sparc_isa_device *isa_dev,
                 struct pci_pbm_info *pbm;
                 int i;
 
-                if (isa_dev->bus->num_isa_intmap) {
+                if (of_find_property(isa_dev->bus->prom_node,
+                                     "interrupt-map", NULL)) {
                         if (!isa_dev_get_irq_using_imap(isa_dev,
                                                         isa_dev->bus,
                                                         &irq_prop,
@@ -218,36 +230,6 @@ static void __init isa_fill_devices(struct sparc_isa_bridge *isa_br)
         }
 }
 
-static void __init get_bridge_props(struct sparc_isa_bridge *isa_br)
-{
-        struct device_node *dp = isa_br->prom_node;
-        void *pval;
-        int len;
-
-        pval = of_get_property(dp, "ranges", &len);
-        if (pval) {
-                memcpy(isa_br->isa_ranges, pval, len);
-                isa_br->num_isa_ranges =
-                        len / sizeof(struct linux_prom_isa_ranges);
-        } else {
-                isa_br->num_isa_ranges = 0;
-        }
-
-        pval = of_get_property(dp, "interrupt-map", &len);
-        if (pval) {
-                memcpy(isa_br->isa_intmap, pval, len);
-                isa_br->num_isa_intmap =
-                        (len / sizeof(struct linux_prom_isa_intmap));
-        } else {
-                isa_br->num_isa_intmap = 0;
-        }
-
-        pval = of_get_property(dp, "interrupt-map-mask", &len);
-        if (pval)
-                memcpy(&isa_br->isa_intmask, pval,
-                       sizeof(isa_br->isa_intmask));
-}
-
 void __init isa_init(void)
 {
         struct pci_dev *pdev;
@@ -288,8 +270,6 @@ void __init isa_init(void)
                 isa_br->index = index++;
                 isa_br->prom_node = pdev_cookie->prom_node;
 
-                get_bridge_props(isa_br);
-
                 printk("isa%d:", isa_br->index);
 
                 isa_fill_devices(isa_br);
diff --git a/include/asm-sparc64/ebus.h b/include/asm-sparc64/ebus.h
index 876912f4d83b..545882bd3563 100644
--- a/include/asm-sparc64/ebus.h
+++ b/include/asm-sparc64/ebus.h
@@ -42,11 +42,6 @@ struct linux_ebus {
         int                              index;
         int                              is_rio;
         struct device_node              *prom_node;
-        struct linux_prom_ebus_ranges    ebus_ranges[PROMREG_MAX];
-        int                              num_ebus_ranges;
-        struct linux_prom_ebus_intmap    ebus_intmap[PROMREG_MAX];
-        int                              num_ebus_intmap;
-        struct linux_prom_ebus_intmask   ebus_intmask;
 };
 
 struct ebus_dma_info {
diff --git a/include/asm-sparc64/isa.h b/include/asm-sparc64/isa.h
index e110435b14ef..2e7fb18ec1be 100644
--- a/include/asm-sparc64/isa.h
+++ b/include/asm-sparc64/isa.h
@@ -29,14 +29,6 @@ struct sparc_isa_bridge {
         struct pci_dev          *self;
         int                     index;
         struct device_node      *prom_node;
-#define linux_prom_isa_ranges linux_prom_ebus_ranges
-        struct linux_prom_isa_ranges    isa_ranges[PROMREG_MAX];
-        int                     num_isa_ranges;
-#define linux_prom_isa_intmap   linux_prom_ebus_intmap
-        struct linux_prom_isa_intmap    isa_intmap[PROMREG_MAX];
-        int                     num_isa_intmap;
-#define linux_prom_isa_intmask  linux_prom_ebus_intmask
-        struct linux_prom_isa_intmap    isa_intmask;
 };
 
 extern struct sparc_isa_bridge  *isa_chain;