[SPARC64]: Kill PBM ranges software state.

It is only used in one spot and we can just fetch the
OF property right there.

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

4 files changed, 15 insertions, 32 deletions

diff --git a/arch/sparc64/kernel/pci_common.c b/arch/sparc64/kernel/pci_common.c
index 4945d700a769..6b5c8e7a3eb0 100644
--- a/arch/sparc64/kernel/pci_common.c
+++ b/arch/sparc64/kernel/pci_common.c
@@ -73,17 +73,28 @@ static void pci_register_iommu_region(struct pci_pbm_info *pbm)
 
 void pci_determine_mem_io_space(struct pci_pbm_info *pbm)
 {
+        struct linux_prom_pci_ranges *pbm_ranges;
         int i, saw_mem, saw_io;
+        int num_pbm_ranges;
 
         saw_mem = saw_io = 0;
-        for (i = 0; i < pbm->num_pbm_ranges; i++) {
-                struct linux_prom_pci_ranges *pr = &pbm->pbm_ranges[i];
+        pbm_ranges = of_get_property(pbm->prom_node, "ranges", &i);
+        num_pbm_ranges = i / sizeof(*pbm_ranges);
+
+        for (i = 0; i < num_pbm_ranges; i++) {
+                struct linux_prom_pci_ranges *pr = &pbm_ranges[i];
                 unsigned long a;
+                u32 parent_phys_hi, parent_phys_lo;
                 int type;
 
+                parent_phys_hi = pr->parent_phys_hi;
+                parent_phys_lo = pr->parent_phys_lo;
+                if (tlb_type == hypervisor)
+                        parent_phys_hi &= 0x0fffffff;
+
                 type = (pr->child_phys_hi >> 24) & 0x3;
-                a = (((unsigned long)pr->parent_phys_hi << 32UL) |
-                     ((unsigned long)pr->parent_phys_lo  <<  0UL));
+                a = (((unsigned long)parent_phys_hi << 32UL) |
+                     ((unsigned long)parent_phys_lo  <<  0UL));
 
                 switch (type) {
                 case 0:
diff --git a/arch/sparc64/kernel/pci_psycho.c b/arch/sparc64/kernel/pci_psycho.c
index 7b7010a1eb2f..1717df549488 100644
--- a/arch/sparc64/kernel/pci_psycho.c
+++ b/arch/sparc64/kernel/pci_psycho.c
@@ -1136,7 +1136,6 @@ static void psycho_pbm_init(struct pci_controller_info *p,
         unsigned int *busrange;
         struct property *prop;
         struct pci_pbm_info *pbm;
-        int len;
 
         if (is_pbm_a) {
                 pbm = &p->pbm_A;
@@ -1166,15 +1165,6 @@ static void psycho_pbm_init(struct pci_controller_info *p,
                pbm->name,
                pbm->chip_version, pbm->chip_revision);
 
-        prop = of_find_property(dp, "ranges", &len);
-        if (prop) {
-                pbm->pbm_ranges = prop->value;
-                pbm->num_pbm_ranges =
-                        (len / sizeof(struct linux_prom_pci_ranges));
-        } else {
-                pbm->num_pbm_ranges = 0;
-        }
-
         prop = of_find_property(dp, "bus-range", NULL);
         busrange = prop->value;
         pbm->pci_first_busno = busrange[0];
diff --git a/arch/sparc64/kernel/pci_schizo.c b/arch/sparc64/kernel/pci_schizo.c
index 81daf903bdf4..dec8dc9499e0 100644
--- a/arch/sparc64/kernel/pci_schizo.c
+++ b/arch/sparc64/kernel/pci_schizo.c
@@ -1542,7 +1542,6 @@ static void schizo_pbm_init(struct pci_controller_info *p,
         const char *chipset_name;
         u32 *ino_bitmap;
         int is_pbm_a;
-        int len;
 
         switch (chip_type) {
         case PBM_CHIP_TYPE_TOMATILLO:
@@ -1601,10 +1600,6 @@ static void schizo_pbm_init(struct pci_controller_info *p,
 
         schizo_pbm_hw_init(pbm);
 
-        pbm->pbm_ranges = of_get_property(dp, "ranges", &len);
-        pbm->num_pbm_ranges =
-                (len / sizeof(struct linux_prom_pci_ranges));
-
         pci_determine_mem_io_space(pbm);
 
         ino_bitmap = of_get_property(dp, "ino-bitmap", NULL);
diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c
index 7bee6b19272e..9b57ba1cb947 100644
--- a/arch/sparc64/kernel/pci_sun4v.c
+++ b/arch/sparc64/kernel/pci_sun4v.c
@@ -1301,8 +1301,6 @@ static void pci_sun4v_msi_init(struct pci_pbm_info *pbm)
 static void pci_sun4v_pbm_init(struct pci_controller_info *p, struct device_node *dp, u32 devhandle)
 {
         struct pci_pbm_info *pbm;
-        struct property *prop;
-        int len, i;
 
         if (devhandle & 0x40)
                 pbm = &p->pbm_B;
@@ -1319,17 +1317,6 @@ static void pci_sun4v_pbm_init(struct pci_controller_info *p, struct device_node
 
         printk("%s: SUN4V PCI Bus Module\n", pbm->name);
 
-        prop = of_find_property(dp, "ranges", &len);
-        pbm->pbm_ranges = prop->value;
-        pbm->num_pbm_ranges =
-                (len / sizeof(struct linux_prom_pci_ranges));
-
-        /* Mask out the top 8 bits of the ranges, leaving the real
-         * physical address.
-         */
-        for (i = 0; i < pbm->num_pbm_ranges; i++)
-                pbm->pbm_ranges[i].parent_phys_hi &= 0x0fffffff;
-
         pci_determine_mem_io_space(pbm);
 
         pci_sun4v_get_bus_range(pbm);