[SPARC64]: Kill pci_controller->pbms_same_domain

We don't do the "Simba APB is a PBM" bogosity for Sabre
controllers any longer, so this pbms_same_domain thing
is no longer necessary.

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

diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c
index 6b94d97..a7809a0 100644 (file)
--- a/arch/sparc64/kernel/pci.c
+++ b/arch/sparc64/kernel/pci.c
@@ -857,43 +857,12 @@ static int __pci_mmap_make_offset_bus(struct pci_dev *pdev, struct vm_area_struc
        unsigned long space_size, user_offset, user_size;
 
        p = pbm->parent;
-       if (p->pbms_same_domain) {
-               unsigned long lowest, highest;
-
-               lowest = ~0UL; highest = 0UL;
-               if (mmap_state == pci_mmap_io) {
-                       if (p->pbm_A.io_space.flags) {
-                               lowest = p->pbm_A.io_space.start;
-                               highest = p->pbm_A.io_space.end + 1;
-                       }
-                       if (p->pbm_B.io_space.flags) {
-                               if (lowest > p->pbm_B.io_space.start)
-                                       lowest = p->pbm_B.io_space.start;
-                               if (highest < p->pbm_B.io_space.end + 1)
-                                       highest = p->pbm_B.io_space.end + 1;
-                       }
-                       space_size = highest - lowest;
-               } else {
-                       if (p->pbm_A.mem_space.flags) {
-                               lowest = p->pbm_A.mem_space.start;
-                               highest = p->pbm_A.mem_space.end + 1;
-                       }
-                       if (p->pbm_B.mem_space.flags) {
-                               if (lowest > p->pbm_B.mem_space.start)
-                                       lowest = p->pbm_B.mem_space.start;
-                               if (highest < p->pbm_B.mem_space.end + 1)
-                                       highest = p->pbm_B.mem_space.end + 1;
-                       }
-                       space_size = highest - lowest;
-               }
+       if (mmap_state == pci_mmap_io) {
+               space_size = (pbm->io_space.end -
+                             pbm->io_space.start) + 1;
        } else {
-               if (mmap_state == pci_mmap_io) {
-                       space_size = (pbm->io_space.end -
-                                     pbm->io_space.start) + 1;
-               } else {
-                       space_size = (pbm->mem_space.end -
-                                     pbm->mem_space.start) + 1;
-               }
+               space_size = (pbm->mem_space.end -
+                             pbm->mem_space.start) + 1;
        }
 
        /* Make sure the request is in range. */
@@ -904,31 +873,12 @@ static int __pci_mmap_make_offset_bus(struct pci_dev *pdev, struct vm_area_struc
            (user_offset + user_size) > space_size)
                return -EINVAL;
 
-       if (p->pbms_same_domain) {
-               unsigned long lowest = ~0UL;
-
-               if (mmap_state == pci_mmap_io) {
-                       if (p->pbm_A.io_space.flags)
-                               lowest = p->pbm_A.io_space.start;
-                       if (p->pbm_B.io_space.flags &&
-                           lowest > p->pbm_B.io_space.start)
-                               lowest = p->pbm_B.io_space.start;
-               } else {
-                       if (p->pbm_A.mem_space.flags)
-                               lowest = p->pbm_A.mem_space.start;
-                       if (p->pbm_B.mem_space.flags &&
-                           lowest > p->pbm_B.mem_space.start)
-                               lowest = p->pbm_B.mem_space.start;
-               }
-               vma->vm_pgoff = (lowest + user_offset) >> PAGE_SHIFT;
+       if (mmap_state == pci_mmap_io) {
+               vma->vm_pgoff = (pbm->io_space.start +
+                                user_offset) >> PAGE_SHIFT;
        } else {
-               if (mmap_state == pci_mmap_io) {
-                       vma->vm_pgoff = (pbm->io_space.start +
-                                        user_offset) >> PAGE_SHIFT;
-               } else {
-                       vma->vm_pgoff = (pbm->mem_space.start +
-                                        user_offset) >> PAGE_SHIFT;
-               }
+               vma->vm_pgoff = (pbm->mem_space.start +
+                                user_offset) >> PAGE_SHIFT;
        }
 
        return 0;
@@ -1062,9 +1012,8 @@ int pci_domain_nr(struct pci_bus *pbus)
                struct pci_controller_info *p = pbm->parent;
 
                ret = p->index;
-               if (p->pbms_same_domain == 0)
-                       ret = ((ret << 1) +
-                              ((pbm == &pbm->parent->pbm_B) ? 1 : 0));
+               ret = ((ret << 1) +
+                      ((pbm == &pbm->parent->pbm_B) ? 1 : 0));
        }
 
        return ret;

diff --git a/arch/sparc64/kernel/pci_psycho.c b/arch/sparc64/kernel/pci_psycho.c
index 64bd357..0ab2aa0 100644 (file)
--- a/arch/sparc64/kernel/pci_psycho.c
+++ b/arch/sparc64/kernel/pci_psycho.c
@@ -1163,7 +1163,6 @@ void psycho_init(struct device_node *dp, char *model_name)
        p->pbm_A.portid = upa_portid;
        p->pbm_B.portid = upa_portid;
        p->index = pci_num_controllers++;
-       p->pbms_same_domain = 0;
        p->scan_bus = psycho_scan_bus;
        p->pci_ops = &psycho_ops;
 

diff --git a/arch/sparc64/kernel/pci_sabre.c b/arch/sparc64/kernel/pci_sabre.c
index f3ec7bd..cef81c8 100644 (file)
--- a/arch/sparc64/kernel/pci_sabre.c
+++ b/arch/sparc64/kernel/pci_sabre.c
@@ -1052,7 +1052,6 @@ void sabre_init(struct device_node *dp, char *model_name)
 
        p->pbm_A.portid = upa_portid;
        p->index = pci_num_controllers++;
-       p->pbms_same_domain = 1;
        p->scan_bus = sabre_scan_bus;
        p->pci_ops = &sabre_ops;
 

diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c
index f9cd9f6..b63ef26 100644 (file)
--- a/arch/sparc64/kernel/pci_sun4v.c
+++ b/arch/sparc64/kernel/pci_sun4v.c
@@ -1330,7 +1330,6 @@ void sun4v_pci_init(struct device_node *dp, char *model_name)
        pci_controller_root = p;
 
        p->index = pci_num_controllers++;
-       p->pbms_same_domain = 0;
 
        p->scan_bus = pci_sun4v_scan_bus;
 #ifdef CONFIG_PCI_MSI

diff --git a/include/asm-sparc64/pbm.h b/include/asm-sparc64/pbm.h
index 07f58ad..43b07b9 100644 (file)
--- a/include/asm-sparc64/pbm.h
+++ b/include/asm-sparc64/pbm.h
@@ -215,9 +215,6 @@ struct pci_controller_info {
         */
        int                             index;
 
-       /* Do the PBMs both exist in the same PCI domain? */
-       int                             pbms_same_domain;
-
        /* The PCI bus modules controlled by us. */
        struct pci_pbm_info             pbm_A;
        struct pci_pbm_info             pbm_B;