diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index af2a98a0ae7c..a6e427adc36d 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -95,32 +95,32 @@ static void add_to_failed_list(struct list_head *head, 0 /* dont care */); } -static void remove_from_list(struct list_head *realloc_head, +static void remove_from_list(struct list_head *head, struct resource *res) { - struct pci_dev_resource *dev_res_x, *tmp; + struct pci_dev_resource *dev_res, *tmp; - list_for_each_entry_safe(dev_res_x, tmp, realloc_head, list) { - if (dev_res_x->res == res) { - list_del(&dev_res_x->list); - kfree(dev_res_x); + list_for_each_entry_safe(dev_res, tmp, head, list) { + if (dev_res->res == res) { + list_del(&dev_res->list); + kfree(dev_res); break; } } } -static resource_size_t get_res_add_size(struct list_head *realloc_head, +static resource_size_t get_res_add_size(struct list_head *head, struct resource *res) { - struct pci_dev_resource *dev_res_x; + struct pci_dev_resource *dev_res; - list_for_each_entry(dev_res_x, realloc_head, list) { - if (dev_res_x->res == res) { - dev_printk(KERN_DEBUG, &dev_res_x->dev->dev, + list_for_each_entry(dev_res, head, list) { + if (dev_res->res == res) { + dev_printk(KERN_DEBUG, &dev_res->dev->dev, "%pR get_res_add_size add_size %llx\n", - dev_res_x->res, - (unsigned long long)dev_res_x->add_size); - return dev_res_x->add_size; + dev_res->res, + (unsigned long long)dev_res->add_size); + return dev_res->add_size; } } @@ -221,15 +221,15 @@ static void reassign_resources_sorted(struct list_head *realloc_head, struct list_head *head) { struct resource *res; - struct pci_dev_resource *dev_res_x, *tmp; + struct pci_dev_resource *add_res, *tmp; struct pci_dev_resource *dev_res; resource_size_t add_size; int idx; - list_for_each_entry_safe(dev_res_x, tmp, realloc_head, list) { + list_for_each_entry_safe(add_res, tmp, realloc_head, list) { bool found_match = false; - res = dev_res_x->res; + res = add_res->res; /* skip resource that has been reset */ if (!res->flags) goto out; @@ -244,26 +244,26 @@ static void reassign_resources_sorted(struct list_head *realloc_head, if (!found_match)/* just skip */ continue; - idx = res - &dev_res_x->dev->resource[0]; - add_size = dev_res_x->add_size; + idx = res - &add_res->dev->resource[0]; + add_size = add_res->add_size; if (!resource_size(res)) { - res->start = dev_res_x->start; + res->start = add_res->start; res->end = res->start + add_size - 1; - if (pci_assign_resource(dev_res_x->dev, idx)) + if (pci_assign_resource(add_res->dev, idx)) reset_resource(res); } else { - resource_size_t align = dev_res_x->min_align; - res->flags |= dev_res_x->flags & + resource_size_t align = add_res->min_align; + res->flags |= add_res->flags & (IORESOURCE_STARTALIGN|IORESOURCE_SIZEALIGN); - if (pci_reassign_resource(dev_res_x->dev, idx, + if (pci_reassign_resource(add_res->dev, idx, add_size, align)) - dev_printk(KERN_DEBUG, &dev_res_x->dev->dev, + dev_printk(KERN_DEBUG, &add_res->dev->dev, "failed to add optional resources res=%pR\n", res); } out: - list_del(&dev_res_x->list); - kfree(dev_res_x); + list_del(&add_res->list); + kfree(add_res); } } @@ -319,7 +319,7 @@ static void __assign_resources_sorted(struct list_head *head, */ LIST_HEAD(save_head); LIST_HEAD(local_fail_head); - struct pci_dev_resource *dev_res_x; + struct pci_dev_resource *save_res; struct pci_dev_resource *dev_res; /* Check if optional add_size is there */ @@ -358,12 +358,12 @@ static void __assign_resources_sorted(struct list_head *head, if (dev_res->res->parent) release_resource(dev_res->res); /* Restore start/end/flags from saved list */ - list_for_each_entry(dev_res_x, &save_head, list) { - struct resource *res = dev_res_x->res; + list_for_each_entry(save_res, &save_head, list) { + struct resource *res = save_res->res; - res->start = dev_res_x->start; - res->end = dev_res_x->end; - res->flags = dev_res_x->flags; + res->start = save_res->start; + res->end = save_res->end; + res->flags = save_res->flags; } free_list(pci_dev_resource, &save_head); @@ -1250,7 +1250,7 @@ pci_assign_unassigned_resources(void) int tried_times = 0; enum release_type rel_type = leaf_only; LIST_HEAD(fail_head); - struct pci_dev_resource *dev_res_x; + struct pci_dev_resource *fail_res; unsigned long type_mask = IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH; unsigned long failed_type; @@ -1289,8 +1289,8 @@ again: goto enable_and_dump; failed_type = 0; - list_for_each_entry(dev_res_x, &fail_head, list) - failed_type |= dev_res_x->flags; + list_for_each_entry(fail_res, &fail_head, list) + failed_type |= fail_res->flags; /* * io port are tight, don't try extra @@ -1313,20 +1313,20 @@ again: * Try to release leaf bridge's resources that doesn't fit resource of * child device under that bridge */ - list_for_each_entry(dev_res_x, &fail_head, list) { - bus = dev_res_x->dev->bus; + list_for_each_entry(fail_res, &fail_head, list) { + bus = fail_res->dev->bus; pci_bus_release_bridge_resources(bus, - dev_res_x->flags & type_mask, + fail_res->flags & type_mask, rel_type); } /* restore size and flags */ - list_for_each_entry(dev_res_x, &fail_head, list) { - struct resource *res = dev_res_x->res; + list_for_each_entry(fail_res, &fail_head, list) { + struct resource *res = fail_res->res; - res->start = dev_res_x->start; - res->end = dev_res_x->end; - res->flags = dev_res_x->flags; - if (dev_res_x->dev->subordinate) + res->start = fail_res->start; + res->end = fail_res->end; + res->flags = fail_res->flags; + if (fail_res->dev->subordinate) res->flags = 0; } free_list(pci_dev_resource, &fail_head); @@ -1350,7 +1350,7 @@ void pci_assign_unassigned_bridge_resources(struct pci_dev *bridge) want additional resources */ int tried_times = 0; LIST_HEAD(fail_head); - struct pci_dev_resource *dev_res_x; + struct pci_dev_resource *fail_res; int retval; unsigned long type_mask = IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH; @@ -1377,21 +1377,21 @@ again: * Try to release leaf bridge's resources that doesn't fit resource of * child device under that bridge */ - list_for_each_entry(dev_res_x, &fail_head, list) { - struct pci_bus *bus = dev_res_x->dev->bus; - unsigned long flags = dev_res_x->flags; + list_for_each_entry(fail_res, &fail_head, list) { + struct pci_bus *bus = fail_res->dev->bus; + unsigned long flags = fail_res->flags; pci_bus_release_bridge_resources(bus, flags & type_mask, whole_subtree); } /* restore size and flags */ - list_for_each_entry(dev_res_x, &fail_head, list) { - struct resource *res = dev_res_x->res; + list_for_each_entry(fail_res, &fail_head, list) { + struct resource *res = fail_res->res; - res->start = dev_res_x->start; - res->end = dev_res_x->end; - res->flags = dev_res_x->flags; - if (dev_res_x->dev->subordinate) + res->start = fail_res->start; + res->end = fail_res->end; + res->flags = fail_res->flags; + if (fail_res->dev->subordinate) res->flags = 0; } free_list(pci_dev_resource, &fail_head);