diff options
Diffstat (limited to 'arch/sparc64/kernel/pci.c')
| -rw-r--r-- | arch/sparc64/kernel/pci.c | 46 |
1 files changed, 16 insertions, 30 deletions
diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c index af2c7ff01ee..d85e1ed7c3e 100644 --- a/arch/sparc64/kernel/pci.c +++ b/arch/sparc64/kernel/pci.c @@ -14,13 +14,12 @@ #include <linux/sched.h> #include <linux/capability.h> #include <linux/errno.h> -#include <linux/smp_lock.h> +#include <linux/pci.h> #include <linux/msi.h> #include <linux/irq.h> #include <linux/init.h> #include <asm/uaccess.h> -#include <asm/pbm.h> #include <asm/pgtable.h> #include <asm/irq.h> #include <asm/ebus.h> @@ -49,10 +48,10 @@ asmlinkage int sys_pciconfig_write(unsigned long bus, unsigned long dfn, #else /* List of all PCI controllers found in the system. */ -struct pci_controller_info *pci_controller_root = NULL; +struct pci_pbm_info *pci_pbm_root = NULL; -/* Each PCI controller found gets a unique index. */ -int pci_num_controllers = 0; +/* Each PBM found gets a unique index. */ +int pci_num_pbms = 0; volatile int pci_poke_in_progress; volatile int pci_poke_cpu = -1; @@ -292,7 +291,7 @@ extern const struct pci_iommu_ops pci_sun4u_iommu_ops, /* Find each controller in the system, attach and initialize * software state structure for each and link into the - * pci_controller_root. Setup the controller enough such + * pci_pbm_root. Setup the controller enough such * that bus scanning can be done. */ static void __init pci_controller_probe(void) @@ -744,7 +743,6 @@ int pci_host_bridge_write_pci_cfg(struct pci_bus *bus_dev, struct pci_bus * __devinit pci_scan_one_pbm(struct pci_pbm_info *pbm) { - struct pci_controller_info *p = pbm->parent; struct device_node *node = pbm->prom_node; struct pci_dev *host_pdev; struct pci_bus *bus; @@ -752,7 +750,7 @@ struct pci_bus * __devinit pci_scan_one_pbm(struct pci_pbm_info *pbm) printk("PCI: Scanning PBM %s\n", node->full_name); /* XXX parent device? XXX */ - bus = pci_create_bus(NULL, pbm->pci_first_busno, p->pci_ops, pbm); + bus = pci_create_bus(NULL, pbm->pci_first_busno, pbm->pci_ops, pbm); if (!bus) { printk(KERN_ERR "Failed to create bus for %s\n", node->full_name); @@ -777,10 +775,10 @@ struct pci_bus * __devinit pci_scan_one_pbm(struct pci_pbm_info *pbm) static void __init pci_scan_each_controller_bus(void) { - struct pci_controller_info *p; + struct pci_pbm_info *pbm; - for (p = pci_controller_root; p; p = p->next) - p->scan_bus(p); + for (pbm = pci_pbm_root; pbm; pbm = pbm->next) + pbm->scan_bus(pbm); } extern void power_init(void); @@ -788,7 +786,7 @@ extern void power_init(void); static int __init pcibios_init(void) { pci_controller_probe(); - if (pci_controller_root == NULL) + if (pci_pbm_root == NULL) return 0; pci_scan_each_controller_bus(); @@ -923,10 +921,8 @@ static int __pci_mmap_make_offset_bus(struct pci_dev *pdev, struct vm_area_struc enum pci_mmap_state mmap_state) { struct pci_pbm_info *pbm = pdev->dev.archdata.host_controller; - struct pci_controller_info *p; unsigned long space_size, user_offset, user_size; - p = pbm->parent; if (mmap_state == pci_mmap_io) { space_size = (pbm->io_space.end - pbm->io_space.start) + 1; @@ -1079,11 +1075,7 @@ int pci_domain_nr(struct pci_bus *pbus) if (pbm == NULL || pbm->parent == NULL) { ret = -ENXIO; } else { - struct pci_controller_info *p = pbm->parent; - - ret = p->index; - ret = ((ret << 1) + - ((pbm == &pbm->parent->pbm_B) ? 1 : 0)); + ret = pbm->index; } return ret; @@ -1094,17 +1086,12 @@ EXPORT_SYMBOL(pci_domain_nr); int arch_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc) { struct pci_pbm_info *pbm = pdev->dev.archdata.host_controller; - struct pci_controller_info *p = pbm->parent; - int virt_irq, err; + int virt_irq; - if (!pbm->msi_num || !p->setup_msi_irq) + if (!pbm->setup_msi_irq) return -EINVAL; - err = p->setup_msi_irq(&virt_irq, pdev, desc); - if (err) - return err; - - return 0; + return pbm->setup_msi_irq(&virt_irq, pdev, desc); } void arch_teardown_msi_irq(unsigned int virt_irq) @@ -1112,12 +1099,11 @@ void arch_teardown_msi_irq(unsigned int virt_irq) struct msi_desc *entry = get_irq_msi(virt_irq); struct pci_dev *pdev = entry->dev; struct pci_pbm_info *pbm = pdev->dev.archdata.host_controller; - struct pci_controller_info *p = pbm->parent; - if (!pbm->msi_num || !p->setup_msi_irq) + if (!pbm->teardown_msi_irq) return; - return p->teardown_msi_irq(virt_irq, pdev); + return pbm->teardown_msi_irq(virt_irq, pdev); } #endif /* !(CONFIG_PCI_MSI) */ |