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[SPARC64]: Kill pci_controller->pbms_same_domain

Browse source 
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>
This commit is contained in:
David S. Miller 2007-03-08 22:52:11 -08:00
parent 8d3aee9375
commit 3875c5c02d
5 changed files with 12 additions and 69 deletions
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75
arch/sparc64/kernel/pci.c
View file

@ -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;

1
arch/sparc64/kernel/pci_psycho.c
View file

@ -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;

1
arch/sparc64/kernel/pci_sabre.c
View file

@ -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;

1
arch/sparc64/kernel/pci_sun4v.c
View file

@ -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

3
include/asm-sparc64/pbm.h
View file

@ -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;