diff options
Diffstat (limited to 'arch/sparc64/kernel/pci_fire.c')
-rw-r--r-- | arch/sparc64/kernel/pci_fire.c | 55 |
1 files changed, 17 insertions, 38 deletions
diff --git a/arch/sparc64/kernel/pci_fire.c b/arch/sparc64/kernel/pci_fire.c index 1b44153f907..b538bfb0a47 100644 --- a/arch/sparc64/kernel/pci_fire.c +++ b/arch/sparc64/kernel/pci_fire.c @@ -431,22 +431,13 @@ static void pci_fire_hw_init(struct pci_pbm_info *pbm) fire_write(pbm->pbm_regs + FIRE_PEC_IENAB, ~(u64)0); } -static int __init pci_fire_pbm_init(struct pci_controller_info *p, +static int __init pci_fire_pbm_init(struct pci_pbm_info *pbm, struct of_device *op, u32 portid) { const struct linux_prom64_registers *regs; struct device_node *dp = op->node; - struct pci_pbm_info *pbm; int err; - if ((portid & 1) == 0) - pbm = &p->pbm_A; - else - pbm = &p->pbm_B; - - pbm->next = pci_pbm_root; - pci_pbm_root = pbm; - pbm->numa_node = -1; pbm->pci_ops = &sun4u_pci_ops; @@ -455,7 +446,6 @@ static int __init pci_fire_pbm_init(struct pci_controller_info *p, pbm->index = pci_num_pbms++; pbm->portid = portid; - pbm->parent = p; pbm->prom_node = dp; pbm->name = dp->full_name; @@ -481,13 +471,9 @@ static int __init pci_fire_pbm_init(struct pci_controller_info *p, /* XXX register error interrupt handlers XXX */ - return 0; -} + pbm->next = pci_pbm_root; + pci_pbm_root = pbm; -static inline int portid_compare(u32 x, u32 y) -{ - if (x == (y ^ 1)) - return 1; return 0; } @@ -495,48 +481,41 @@ static int __devinit fire_probe(struct of_device *op, const struct of_device_id *match) { struct device_node *dp = op->node; - struct pci_controller_info *p; struct pci_pbm_info *pbm; struct iommu *iommu; u32 portid; int err; portid = of_getintprop_default(dp, "portid", 0xff); - for (pbm = pci_pbm_root; pbm; pbm = pbm->next) { - if (portid_compare(pbm->portid, portid)) - return pci_fire_pbm_init(pbm->parent, op, portid); - } err = -ENOMEM; - p = kzalloc(sizeof(struct pci_controller_info), GFP_ATOMIC); - if (!p) { - printk(KERN_ERR PFX "Cannot allocate controller info.\n"); + pbm = kzalloc(sizeof(*pbm), GFP_KERNEL); + if (!pbm) { + printk(KERN_ERR PFX "Cannot allocate pci_pbminfo.\n"); goto out_err; } - iommu = kzalloc(sizeof(struct iommu), GFP_ATOMIC); + iommu = kzalloc(sizeof(struct iommu), GFP_KERNEL); if (!iommu) { - printk(KERN_ERR PFX "Cannot allocate PBM A iommu.\n"); + printk(KERN_ERR PFX "Cannot allocate PBM iommu.\n"); goto out_free_controller; } - p->pbm_A.iommu = iommu; + pbm->iommu = iommu; - iommu = kzalloc(sizeof(struct iommu), GFP_ATOMIC); - if (!iommu) { - printk(KERN_ERR PFX "Cannot allocate PBM A iommu.\n"); - goto out_free_iommu_A; - } + err = pci_fire_pbm_init(pbm, op, portid); + if (err) + goto out_free_iommu; - p->pbm_B.iommu = iommu; + dev_set_drvdata(&op->dev, pbm); - return pci_fire_pbm_init(p, op, portid); + return 0; -out_free_iommu_A: - kfree(p->pbm_A.iommu); +out_free_iommu: + kfree(pbm->iommu); out_free_controller: - kfree(p); + kfree(pbm); out_err: return err; |