Commit 3875c5c0 authored by David S. Miller's avatar David S. Miller
Browse files

[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: default avatarDavid S. Miller <davem@davemloft.net>
parent 8d3aee93

arch/sparc64/kernel/pci.c

+12 −63
Original line number Diff line number Diff line
@@ -857,36 +857,6 @@ 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;

		}

	} else {

	if (mmap_state == pci_mmap_io) {

		space_size = (pbm->io_space.end -

			      pbm->io_space.start) + 1;
@@ -894,7 +864,6 @@ static int __pci_mmap_make_offset_bus(struct pci_dev *pdev, struct vm_area_struc 
		space_size = (pbm->mem_space.end -

			      pbm->mem_space.start) + 1;

	}

	}



	/* Make sure the request is in range. */

	user_offset = vma->vm_pgoff << PAGE_SHIFT;
@@ -904,24 +873,6 @@ 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;

	} else {

	if (mmap_state == pci_mmap_io) {

		vma->vm_pgoff = (pbm->io_space.start +

				 user_offset) >> PAGE_SHIFT;
@@ -929,7 +880,6 @@ static int __pci_mmap_make_offset_bus(struct pci_dev *pdev, struct vm_area_struc 
		vma->vm_pgoff = (pbm->mem_space.start +

				 user_offset) >> PAGE_SHIFT;

	}

	}



	return 0;

}
@@ -1062,7 +1012,6 @@ 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));

	}

arch/sparc64/kernel/pci_psycho.c

+0 −1
Original line number Diff line number Diff line
@@ -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;

arch/sparc64/kernel/pci_sabre.c

+0 −1
Original line number Diff line number Diff line
@@ -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;

arch/sparc64/kernel/pci_sun4v.c

+0 −1
Original line number Diff line number Diff line
@@ -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

include/asm-sparc64/pbm.h

+0 −3
Original line number Diff line number Diff line
@@ -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;