diff options
Diffstat (limited to 'drivers/pci/hotplug/ibmphp_res.c')
| -rw-r--r-- | drivers/pci/hotplug/ibmphp_res.c | 514 |
1 files changed, 250 insertions, 264 deletions
diff --git a/drivers/pci/hotplug/ibmphp_res.c b/drivers/pci/hotplug/ibmphp_res.c index f279060cf..aee6e4100 100644 --- a/drivers/pci/hotplug/ibmphp_res.c +++ b/drivers/pci/hotplug/ibmphp_res.c @@ -36,28 +36,28 @@ static int flags = 0; /* for testing */ -static void update_resources (struct bus_node *bus_cur, int type, int rangeno); -static int once_over (void); -static int remove_ranges (struct bus_node *, struct bus_node *); -static int update_bridge_ranges (struct bus_node **); -static int add_bus_range (int type, struct range_node *, struct bus_node *); -static void fix_resources (struct bus_node *); -static struct bus_node *find_bus_wprev (u8, struct bus_node **, u8); +static void update_resources(struct bus_node *bus_cur, int type, int rangeno); +static int once_over(void); +static int remove_ranges(struct bus_node *, struct bus_node *); +static int update_bridge_ranges(struct bus_node **); +static int add_bus_range(int type, struct range_node *, struct bus_node *); +static void fix_resources(struct bus_node *); +static struct bus_node *find_bus_wprev(u8, struct bus_node **, u8); static LIST_HEAD(gbuses); -static struct bus_node * __init alloc_error_bus (struct ebda_pci_rsrc *curr, u8 busno, int flag) +static struct bus_node * __init alloc_error_bus(struct ebda_pci_rsrc *curr, u8 busno, int flag) { struct bus_node *newbus; if (!(curr) && !(flag)) { - err ("NULL pointer passed\n"); + err("NULL pointer passed\n"); return NULL; } newbus = kzalloc(sizeof(struct bus_node), GFP_KERNEL); if (!newbus) { - err ("out of system memory\n"); + err("out of system memory\n"); return NULL; } @@ -65,22 +65,22 @@ static struct bus_node * __init alloc_error_bus (struct ebda_pci_rsrc *curr, u8 newbus->busno = busno; else newbus->busno = curr->bus_num; - list_add_tail (&newbus->bus_list, &gbuses); + list_add_tail(&newbus->bus_list, &gbuses); return newbus; } -static struct resource_node * __init alloc_resources (struct ebda_pci_rsrc *curr) +static struct resource_node * __init alloc_resources(struct ebda_pci_rsrc *curr) { struct resource_node *rs; if (!curr) { - err ("NULL passed to allocate\n"); + err("NULL passed to allocate\n"); return NULL; } rs = kzalloc(sizeof(struct resource_node), GFP_KERNEL); if (!rs) { - err ("out of system memory\n"); + err("out of system memory\n"); return NULL; } rs->busno = curr->bus_num; @@ -91,7 +91,7 @@ static struct resource_node * __init alloc_resources (struct ebda_pci_rsrc *curr return rs; } -static int __init alloc_bus_range (struct bus_node **new_bus, struct range_node **new_range, struct ebda_pci_rsrc *curr, int flag, u8 first_bus) +static int __init alloc_bus_range(struct bus_node **new_bus, struct range_node **new_range, struct ebda_pci_rsrc *curr, int flag, u8 first_bus) { struct bus_node *newbus; struct range_node *newrange; @@ -100,7 +100,7 @@ static int __init alloc_bus_range (struct bus_node **new_bus, struct range_node if (first_bus) { newbus = kzalloc(sizeof(struct bus_node), GFP_KERNEL); if (!newbus) { - err ("out of system memory.\n"); + err("out of system memory.\n"); return -ENOMEM; } newbus->busno = curr->bus_num; @@ -122,8 +122,8 @@ static int __init alloc_bus_range (struct bus_node **new_bus, struct range_node newrange = kzalloc(sizeof(struct range_node), GFP_KERNEL); if (!newrange) { if (first_bus) - kfree (newbus); - err ("out of system memory\n"); + kfree(newbus); + err("out of system memory\n"); return -ENOMEM; } newrange->start = curr->start_addr; @@ -133,8 +133,8 @@ static int __init alloc_bus_range (struct bus_node **new_bus, struct range_node newrange->rangeno = 1; else { /* need to insert our range */ - add_bus_range (flag, newrange, newbus); - debug ("%d resource Primary Bus inserted on bus %x [%x - %x]\n", flag, newbus->busno, newrange->start, newrange->end); + add_bus_range(flag, newrange, newbus); + debug("%d resource Primary Bus inserted on bus %x [%x - %x]\n", flag, newbus->busno, newrange->start, newrange->end); } switch (flag) { @@ -143,9 +143,9 @@ static int __init alloc_bus_range (struct bus_node **new_bus, struct range_node if (first_bus) newbus->noMemRanges = 1; else { - debug ("First Memory Primary on bus %x, [%x - %x]\n", newbus->busno, newrange->start, newrange->end); + debug("First Memory Primary on bus %x, [%x - %x]\n", newbus->busno, newrange->start, newrange->end); ++newbus->noMemRanges; - fix_resources (newbus); + fix_resources(newbus); } break; case IO: @@ -153,9 +153,9 @@ static int __init alloc_bus_range (struct bus_node **new_bus, struct range_node if (first_bus) newbus->noIORanges = 1; else { - debug ("First IO Primary on bus %x, [%x - %x]\n", newbus->busno, newrange->start, newrange->end); + debug("First IO Primary on bus %x, [%x - %x]\n", newbus->busno, newrange->start, newrange->end); ++newbus->noIORanges; - fix_resources (newbus); + fix_resources(newbus); } break; case PFMEM: @@ -163,9 +163,9 @@ static int __init alloc_bus_range (struct bus_node **new_bus, struct range_node if (first_bus) newbus->noPFMemRanges = 1; else { - debug ("1st PFMemory Primary on Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end); + debug("1st PFMemory Primary on Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end); ++newbus->noPFMemRanges; - fix_resources (newbus); + fix_resources(newbus); } break; @@ -183,7 +183,7 @@ static int __init alloc_bus_range (struct bus_node **new_bus, struct range_node * 2. If cannot allocate out of PFMem range, allocate from Mem ranges. PFmemFromMem * are not sorted. (no need since use mem node). To not change the entire code, we * also add mem node whenever this case happens so as not to change - * ibmphp_check_mem_resource etc (and since it really is taking Mem resource) + * ibmphp_check_mem_resource etc(and since it really is taking Mem resource) */ /***************************************************************************** @@ -196,25 +196,23 @@ static int __init alloc_bus_range (struct bus_node **new_bus, struct range_node * Input: ptr to the head of the resource list from EBDA * Output: 0, -1 or error codes ***************************************************************************/ -int __init ibmphp_rsrc_init (void) +int __init ibmphp_rsrc_init(void) { struct ebda_pci_rsrc *curr; struct range_node *newrange = NULL; struct bus_node *newbus = NULL; struct bus_node *bus_cur; struct bus_node *bus_prev; - struct list_head *tmp; struct resource_node *new_io = NULL; struct resource_node *new_mem = NULL; struct resource_node *new_pfmem = NULL; int rc; - struct list_head *tmp_ebda; - list_for_each (tmp_ebda, &ibmphp_ebda_pci_rsrc_head) { - curr = list_entry (tmp_ebda, struct ebda_pci_rsrc, ebda_pci_rsrc_list); + list_for_each_entry(curr, &ibmphp_ebda_pci_rsrc_head, + ebda_pci_rsrc_list) { if (!(curr->rsrc_type & PCIDEVMASK)) { /* EBDA still lists non PCI devices, so ignore... */ - debug ("this is not a PCI DEVICE in rsrc_init, please take care\n"); + debug("this is not a PCI DEVICE in rsrc_init, please take care\n"); // continue; } @@ -223,17 +221,17 @@ int __init ibmphp_rsrc_init (void) /* memory */ if ((curr->rsrc_type & RESTYPE) == MMASK) { /* no bus structure exists in place yet */ - if (list_empty (&gbuses)) { + if (list_empty(&gbuses)) { rc = alloc_bus_range(&newbus, &newrange, curr, MEM, 1); if (rc) return rc; - list_add_tail (&newbus->bus_list, &gbuses); - debug ("gbuses = NULL, Memory Primary Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end); + list_add_tail(&newbus->bus_list, &gbuses); + debug("gbuses = NULL, Memory Primary Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end); } else { - bus_cur = find_bus_wprev (curr->bus_num, &bus_prev, 1); + bus_cur = find_bus_wprev(curr->bus_num, &bus_prev, 1); /* found our bus */ if (bus_cur) { - rc = alloc_bus_range (&bus_cur, &newrange, curr, MEM, 0); + rc = alloc_bus_range(&bus_cur, &newrange, curr, MEM, 0); if (rc) return rc; } else { @@ -242,24 +240,24 @@ int __init ibmphp_rsrc_init (void) if (rc) return rc; - list_add_tail (&newbus->bus_list, &gbuses); - debug ("New Bus, Memory Primary Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end); + list_add_tail(&newbus->bus_list, &gbuses); + debug("New Bus, Memory Primary Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end); } } } else if ((curr->rsrc_type & RESTYPE) == PFMASK) { /* prefetchable memory */ - if (list_empty (&gbuses)) { + if (list_empty(&gbuses)) { /* no bus structure exists in place yet */ rc = alloc_bus_range(&newbus, &newrange, curr, PFMEM, 1); if (rc) return rc; - list_add_tail (&newbus->bus_list, &gbuses); - debug ("gbuses = NULL, PFMemory Primary Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end); + list_add_tail(&newbus->bus_list, &gbuses); + debug("gbuses = NULL, PFMemory Primary Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end); } else { - bus_cur = find_bus_wprev (curr->bus_num, &bus_prev, 1); + bus_cur = find_bus_wprev(curr->bus_num, &bus_prev, 1); if (bus_cur) { /* found our bus */ - rc = alloc_bus_range (&bus_cur, &newrange, curr, PFMEM, 0); + rc = alloc_bus_range(&bus_cur, &newrange, curr, PFMEM, 0); if (rc) return rc; } else { @@ -267,23 +265,23 @@ int __init ibmphp_rsrc_init (void) rc = alloc_bus_range(&newbus, &newrange, curr, PFMEM, 1); if (rc) return rc; - list_add_tail (&newbus->bus_list, &gbuses); - debug ("1st Bus, PFMemory Primary Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end); + list_add_tail(&newbus->bus_list, &gbuses); + debug("1st Bus, PFMemory Primary Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end); } } } else if ((curr->rsrc_type & RESTYPE) == IOMASK) { /* IO */ - if (list_empty (&gbuses)) { + if (list_empty(&gbuses)) { /* no bus structure exists in place yet */ rc = alloc_bus_range(&newbus, &newrange, curr, IO, 1); if (rc) return rc; - list_add_tail (&newbus->bus_list, &gbuses); - debug ("gbuses = NULL, IO Primary Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end); + list_add_tail(&newbus->bus_list, &gbuses); + debug("gbuses = NULL, IO Primary Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end); } else { - bus_cur = find_bus_wprev (curr->bus_num, &bus_prev, 1); + bus_cur = find_bus_wprev(curr->bus_num, &bus_prev, 1); if (bus_cur) { - rc = alloc_bus_range (&bus_cur, &newrange, curr, IO, 0); + rc = alloc_bus_range(&bus_cur, &newrange, curr, IO, 0); if (rc) return rc; } else { @@ -291,8 +289,8 @@ int __init ibmphp_rsrc_init (void) rc = alloc_bus_range(&newbus, &newrange, curr, IO, 1); if (rc) return rc; - list_add_tail (&newbus->bus_list, &gbuses); - debug ("1st Bus, IO Primary Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end); + list_add_tail(&newbus->bus_list, &gbuses); + debug("1st Bus, IO Primary Bus %x [%x - %x]\n", newbus->busno, newrange->start, newrange->end); } } @@ -304,7 +302,7 @@ int __init ibmphp_rsrc_init (void) /* regular pci device resource */ if ((curr->rsrc_type & RESTYPE) == MMASK) { /* Memory resource */ - new_mem = alloc_resources (curr); + new_mem = alloc_resources(curr); if (!new_mem) return -ENOMEM; new_mem->type = MEM; @@ -315,25 +313,25 @@ int __init ibmphp_rsrc_init (void) * assign a -1 and then update once the range * actually appears... */ - if (ibmphp_add_resource (new_mem) < 0) { - newbus = alloc_error_bus (curr, 0, 0); + if (ibmphp_add_resource(new_mem) < 0) { + newbus = alloc_error_bus(curr, 0, 0); if (!newbus) return -ENOMEM; newbus->firstMem = new_mem; ++newbus->needMemUpdate; new_mem->rangeno = -1; } - debug ("Memory resource for device %x, bus %x, [%x - %x]\n", new_mem->devfunc, new_mem->busno, new_mem->start, new_mem->end); + debug("Memory resource for device %x, bus %x, [%x - %x]\n", new_mem->devfunc, new_mem->busno, new_mem->start, new_mem->end); } else if ((curr->rsrc_type & RESTYPE) == PFMASK) { /* PFMemory resource */ - new_pfmem = alloc_resources (curr); + new_pfmem = alloc_resources(curr); if (!new_pfmem) return -ENOMEM; new_pfmem->type = PFMEM; new_pfmem->fromMem = 0; - if (ibmphp_add_resource (new_pfmem) < 0) { - newbus = alloc_error_bus (curr, 0, 0); + if (ibmphp_add_resource(new_pfmem) < 0) { + newbus = alloc_error_bus(curr, 0, 0); if (!newbus) return -ENOMEM; newbus->firstPFMem = new_pfmem; @@ -341,10 +339,10 @@ int __init ibmphp_rsrc_init (void) new_pfmem->rangeno = -1; } - debug ("PFMemory resource for device %x, bus %x, [%x - %x]\n", new_pfmem->devfunc, new_pfmem->busno, new_pfmem->start, new_pfmem->end); + debug("PFMemory resource for device %x, bus %x, [%x - %x]\n", new_pfmem->devfunc, new_pfmem->busno, new_pfmem->start, new_pfmem->end); } else if ((curr->rsrc_type & RESTYPE) == IOMASK) { /* IO resource */ - new_io = alloc_resources (curr); + new_io = alloc_resources(curr); if (!new_io) return -ENOMEM; new_io->type = IO; @@ -356,27 +354,26 @@ int __init ibmphp_rsrc_init (void) * Can assign a -1 and then update once the * range actually appears... */ - if (ibmphp_add_resource (new_io) < 0) { - newbus = alloc_error_bus (curr, 0, 0); + if (ibmphp_add_resource(new_io) < 0) { + newbus = alloc_error_bus(curr, 0, 0); if (!newbus) return -ENOMEM; newbus->firstIO = new_io; ++newbus->needIOUpdate; new_io->rangeno = -1; } - debug ("IO resource for device %x, bus %x, [%x - %x]\n", new_io->devfunc, new_io->busno, new_io->start, new_io->end); + debug("IO resource for device %x, bus %x, [%x - %x]\n", new_io->devfunc, new_io->busno, new_io->start, new_io->end); } } } - list_for_each (tmp, &gbuses) { - bus_cur = list_entry (tmp, struct bus_node, bus_list); + list_for_each_entry(bus_cur, &gbuses, bus_list) { /* This is to get info about PPB resources, since EBDA doesn't put this info into the primary bus info */ - rc = update_bridge_ranges (&bus_cur); + rc = update_bridge_ranges(&bus_cur); if (rc) return rc; } - return once_over (); /* This is to align ranges (so no -1) */ + return once_over(); /* This is to align ranges (so no -1) */ } /******************************************************************************** @@ -387,7 +384,7 @@ int __init ibmphp_rsrc_init (void) * Input: type of the resource, range to add, current bus * Output: 0 or -1, bus and range ptrs ********************************************************************************/ -static int add_bus_range (int type, struct range_node *range, struct bus_node *bus_cur) +static int add_bus_range(int type, struct range_node *range, struct bus_node *bus_cur) { struct range_node *range_cur = NULL; struct range_node *range_prev; @@ -452,7 +449,7 @@ static int add_bus_range (int type, struct range_node *range, struct bus_node *b range_cur = range_cur->next; } - update_resources (bus_cur, type, i_init + 1); + update_resources(bus_cur, type, i_init + 1); return 0; } @@ -462,7 +459,7 @@ static int add_bus_range (int type, struct range_node *range, struct bus_node *b * * Input: bus, type of the resource, the rangeno starting from which to update ******************************************************************************/ -static void update_resources (struct bus_node *bus_cur, int type, int rangeno) +static void update_resources(struct bus_node *bus_cur, int type, int rangeno) { struct resource_node *res = NULL; u8 eol = 0; /* end of list indicator */ @@ -506,9 +503,9 @@ static void update_resources (struct bus_node *bus_cur, int type, int rangeno) } } -static void fix_me (struct resource_node *res, struct bus_node *bus_cur, struct range_node *range) +static void fix_me(struct resource_node *res, struct bus_node *bus_cur, struct range_node *range) { - char * str = ""; + char *str = ""; switch (res->type) { case IO: str = "io"; @@ -526,7 +523,7 @@ static void fix_me (struct resource_node *res, struct bus_node *bus_cur, struct while (range) { if ((res->start >= range->start) && (res->end <= range->end)) { res->rangeno = range->rangeno; - debug ("%s->rangeno in fix_resources is %d\n", str, res->rangeno); + debug("%s->rangeno in fix_resources is %d\n", str, res->rangeno); switch (res->type) { case IO: --bus_cur->needIOUpdate; @@ -561,27 +558,27 @@ static void fix_me (struct resource_node *res, struct bus_node *bus_cur, struct * Input: current bus * Output: none, list of resources for that bus are fixed if can be *******************************************************************************/ -static void fix_resources (struct bus_node *bus_cur) +static void fix_resources(struct bus_node *bus_cur) { struct range_node *range; struct resource_node *res; - debug ("%s - bus_cur->busno = %d\n", __func__, bus_cur->busno); + debug("%s - bus_cur->busno = %d\n", __func__, bus_cur->busno); if (bus_cur->needIOUpdate) { res = bus_cur->firstIO; range = bus_cur->rangeIO; - fix_me (res, bus_cur, range); + fix_me(res, bus_cur, range); } if (bus_cur->needMemUpdate) { res = bus_cur->firstMem; range = bus_cur->rangeMem; - fix_me (res, bus_cur, range); + fix_me(res, bus_cur, range); } if (bus_cur->needPFMemUpdate) { res = bus_cur->firstPFMem; range = bus_cur->rangePFMem; - fix_me (res, bus_cur, range); + fix_me(res, bus_cur, range); } } @@ -594,7 +591,7 @@ static void fix_resources (struct bus_node *bus_cur) * Output: ptrs assigned (to the node) * 0 or -1 *******************************************************************************/ -int ibmphp_add_resource (struct resource_node *res) +int ibmphp_add_resource(struct resource_node *res) { struct resource_node *res_cur; struct resource_node *res_prev; @@ -602,18 +599,18 @@ int ibmphp_add_resource (struct resource_node *res) struct range_node *range_cur = NULL; struct resource_node *res_start = NULL; - debug ("%s - enter\n", __func__); + debug("%s - enter\n", __func__); if (!res) { - err ("NULL passed to add\n"); + err("NULL passed to add\n"); return -ENODEV; } - bus_cur = find_bus_wprev (res->busno, NULL, 0); + bus_cur = find_bus_wprev(res->busno, NULL, 0); if (!bus_cur) { /* didn't find a bus, something's wrong!!! */ - debug ("no bus in the system, either pci_dev's wrong or allocation failed\n"); + debug("no bus in the system, either pci_dev's wrong or allocation failed\n"); return -ENODEV; } @@ -632,7 +629,7 @@ int ibmphp_add_resource (struct resource_node *res) res_start = bus_cur->firstPFMem; break; default: - err ("cannot read the type of the resource to add... problem\n"); + err("cannot read the type of the resource to add... problem\n"); return -EINVAL; } while (range_cur) { @@ -663,7 +660,7 @@ int ibmphp_add_resource (struct resource_node *res) res->rangeno = -1; } - debug ("The range is %d\n", res->rangeno); + debug("The range is %d\n", res->rangeno); if (!res_start) { /* no first{IO,Mem,Pfmem} on the bus, 1st IO/Mem/Pfmem resource ever */ switch (res->type) { @@ -683,7 +680,7 @@ int ibmphp_add_resource (struct resource_node *res) res_cur = res_start; res_prev = NULL; - debug ("res_cur->rangeno is %d\n", res_cur->rangeno); + debug("res_cur->rangeno is %d\n", res_cur->rangeno); while (res_cur) { if (res_cur->rangeno >= res->rangeno) @@ -697,7 +694,7 @@ int ibmphp_add_resource (struct resource_node *res) if (!res_cur) { /* at the end of the resource list */ - debug ("i should be here, [%x - %x]\n", res->start, res->end); + debug("i should be here, [%x - %x]\n", res->start, res->end); res_prev->nextRange = res; res->next = NULL; res->nextRange = NULL; @@ -765,7 +762,7 @@ int ibmphp_add_resource (struct resource_node *res) } } - debug ("%s - exit\n", __func__); + debug("%s - exit\n", __func__); return 0; } @@ -776,23 +773,23 @@ int ibmphp_add_resource (struct resource_node *res) * Output: modified resource list * 0 or error code ****************************************************************************/ -int ibmphp_remove_resource (struct resource_node *res) +int ibmphp_remove_resource(struct resource_node *res) { struct bus_node *bus_cur; struct resource_node *res_cur = NULL; struct resource_node *res_prev; struct resource_node *mem_cur; - char * type = ""; + char *type = ""; if (!res) { - err ("resource to remove is NULL\n"); + err("resource to remove is NULL\n"); return -ENODEV; } - bus_cur = find_bus_wprev (res->busno, NULL, 0); + bus_cur = find_bus_wprev(res->busno, NULL, 0); if (!bus_cur) { - err ("cannot find corresponding bus of the io resource to remove bailing out...\n"); + err("cannot find corresponding bus of the io resource to remove bailing out...\n"); return -ENODEV; } @@ -810,7 +807,7 @@ int ibmphp_remove_resource (struct resource_node *res) type = "pfmem"; break; default: - err ("unknown type for resource to remove\n"); + err("unknown type for resource to remove\n"); return -EINVAL; } res_prev = NULL; @@ -848,16 +845,16 @@ int ibmphp_remove_resource (struct resource_node *res) mem_cur = mem_cur->nextRange; } if (!mem_cur) { - err ("cannot find corresponding mem node for pfmem...\n"); + err("cannot find corresponding mem node for pfmem...\n"); return -EINVAL; } - ibmphp_remove_resource (mem_cur); + ibmphp_remove_resource(mem_cur); if (!res_prev) bus_cur->firstPFMemFromMem = res_cur->next; else res_prev->next = res_cur->next; - kfree (res_cur); + kfree(res_cur); return 0; } res_prev = res_cur; @@ -867,11 +864,11 @@ int ibmphp_remove_resource (struct resource_node *res) res_cur = res_cur->nextRange; } if (!res_cur) { - err ("cannot find pfmem to delete...\n"); + err("cannot find pfmem to delete...\n"); return -EINVAL; } } else { - err ("the %s resource is not in the list to be deleted...\n", type); + err("the %s resource is not in the list to be deleted...\n", type); return -EINVAL; } } @@ -914,7 +911,7 @@ int ibmphp_remove_resource (struct resource_node *res) break; } } - kfree (res_cur); + kfree(res_cur); return 0; } else { if (res_cur->next) { @@ -929,14 +926,14 @@ int ibmphp_remove_resource (struct resource_node *res) res_prev->next = NULL; res_prev->nextRange = NULL; } - kfree (res_cur); + kfree(res_cur); return 0; } return 0; } -static struct range_node *find_range (struct bus_node *bus_cur, struct resource_node *res) +static struct range_node *find_range(struct bus_node *bus_cur, struct resource_node *res) { struct range_node *range = NULL; @@ -951,7 +948,7 @@ static struct range_node *find_range (struct bus_node *bus_cur, struct resource_ range = bus_cur->rangePFMem; break; default: - err ("cannot read resource type in find_range\n"); + err("cannot read resource type in find_range\n"); } while (range) { @@ -971,7 +968,7 @@ static struct range_node *find_range (struct bus_node *bus_cur, struct resource_ * Output: the correct start and end address are inputted into the resource node, * 0 or -EINVAL *****************************************************************************/ -int ibmphp_check_resource (struct resource_node *res, u8 bridge) +int ibmphp_check_resource(struct resource_node *res, u8 bridge) { struct bus_node *bus_cur; struct range_node *range = NULL; @@ -995,16 +992,16 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge) } else tmp_divide = res->len; - bus_cur = find_bus_wprev (res->busno, NULL, 0); + bus_cur = find_bus_wprev(res->busno, NULL, 0); if (!bus_cur) { /* didn't find a bus, something's wrong!!! */ - debug ("no bus in the system, either pci_dev's wrong or allocation failed\n"); + debug("no bus in the system, either pci_dev's wrong or allocation failed\n"); return -EINVAL; } - debug ("%s - enter\n", __func__); - debug ("bus_cur->busno is %d\n", bus_cur->busno); + debug("%s - enter\n", __func__); + debug("bus_cur->busno is %d\n", bus_cur->busno); /* This is a quick fix to not mess up with the code very much. i.e., * 2000-2fff, len = 1000, but when we compare, we need it to be fff */ @@ -1024,17 +1021,17 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge) noranges = bus_cur->noPFMemRanges; break; default: - err ("wrong type of resource to check\n"); + err("wrong type of resource to check\n"); return -EINVAL; } res_prev = NULL; while (res_cur) { - range = find_range (bus_cur, res_cur); - debug ("%s - rangeno = %d\n", __func__, res_cur->rangeno); + range = find_range(bus_cur, res_cur); + debug("%s - rangeno = %d\n", __func__, res_cur->rangeno); if (!range) { - err ("no range for the device exists... bailing out...\n"); + err("no range for the device exists... bailing out...\n"); return -EINVAL; } @@ -1044,7 +1041,7 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge) len_tmp = res_cur->start - 1 - range->start; if ((res_cur->start != range->start) && (len_tmp >= res->len)) { - debug ("len_tmp = %x\n", len_tmp); + debug("len_tmp = %x\n", len_tmp); if ((len_tmp < len_cur) || (len_cur == 0)) { @@ -1072,7 +1069,7 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge) } if (flag && len_cur == res->len) { - debug ("but we are not here, right?\n"); + debug("but we are not here, right?\n"); res->start = start_cur; res->len += 1; /* To restore the balance */ res->end = res->start + res->len - 1; @@ -1086,7 +1083,7 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge) len_tmp = range->end - (res_cur->end + 1); if ((range->end != res_cur->end) && (len_tmp >= res->len)) { - debug ("len_tmp = %x\n", len_tmp); + debug("len_tmp = %x\n", len_tmp); if ((len_tmp < len_cur) || (len_cur == 0)) { if (((res_cur->end + 1) % tmp_divide) == 0) { @@ -1262,7 +1259,7 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge) if ((!range) && (len_cur == 0)) { /* have gone through the list of devices and ranges and haven't found n.e.thing */ - err ("no appropriate range.. bailing out...\n"); + err("no appropriate range.. bailing out...\n"); return -EINVAL; } else if (len_cur) { res->start = start_cur; @@ -1273,7 +1270,7 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge) } if (!res_cur) { - debug ("prev->rangeno = %d, noranges = %d\n", res_prev->rangeno, noranges); + debug("prev->rangeno = %d, noranges = %d\n", res_prev->rangeno, noranges); if (res_prev->rangeno < noranges) { /* if there're more ranges out there to check */ switch (res->type) { @@ -1328,7 +1325,7 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge) if ((!range) && (len_cur == 0)) { /* have gone through the list of devices and ranges and haven't found n.e.thing */ - err ("no appropriate range.. bailing out...\n"); + err("no appropriate range.. bailing out...\n"); return -EINVAL; } else if (len_cur) { res->start = start_cur; @@ -1345,7 +1342,7 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge) return 0; } else { /* have gone through the list of devices and haven't found n.e.thing */ - err ("no appropriate range.. bailing out...\n"); + err("no appropriate range.. bailing out...\n"); return -EINVAL; } } @@ -1359,23 +1356,23 @@ int ibmphp_check_resource (struct resource_node *res, u8 bridge) * Input: Bus * Output: 0, -ENODEV ********************************************************************************/ -int ibmphp_remove_bus (struct bus_node *bus, u8 parent_busno) +int ibmphp_remove_bus(struct bus_node *bus, u8 parent_busno) { struct resource_node *res_cur; struct resource_node *res_tmp; struct bus_node *prev_bus; int rc; - prev_bus = find_bus_wprev (parent_busno, NULL, 0); + prev_bus = find_bus_wprev(parent_busno, NULL, 0); if (!prev_bus) { - debug ("something terribly wrong. Cannot find parent bus to the one to remove\n"); + debug("something terribly wrong. Cannot find parent bus to the one to remove\n"); return -ENODEV; } - debug ("In ibmphp_remove_bus... prev_bus->busno is %x\n", prev_bus->busno); + debug("In ibmphp_remove_bus... prev_bus->busno is %x\n", prev_bus->busno); - rc = remove_ranges (bus, prev_bus); + rc = remove_ranges(bus, prev_bus); if (rc) return rc; @@ -1387,7 +1384,7 @@ int ibmphp_remove_bus (struct bus_node *bus, u8 parent_busno) res_cur = res_cur->next; else res_cur = res_cur->nextRange; - kfree (res_tmp); + kfree(res_tmp); res_tmp = NULL; } bus->firstIO = NULL; @@ -1400,7 +1397,7 @@ int ibmphp_remove_bus (struct bus_node *bus, u8 parent_busno) res_cur = res_cur->next; else res_cur = res_cur->nextRange; - kfree (res_tmp); + kfree(res_tmp); res_tmp = NULL; } bus->firstMem = NULL; @@ -1413,7 +1410,7 @@ int ibmphp_remove_bus (struct bus_node *bus, u8 parent_busno) res_cur = res_cur->next; else res_cur = res_cur->nextRange; - kfree (res_tmp); + kfree(res_tmp); res_tmp = NULL; } bus->firstPFMem = NULL; @@ -1425,14 +1422,14 @@ int ibmphp_remove_bus (struct bus_node *bus, u8 parent_busno) res_tmp = res_cur; res_cur = res_cur->next; - kfree (res_tmp); + kfree(res_tmp); res_tmp = NULL; } bus->firstPFMemFromMem = NULL; } - list_del (&bus->bus_list); - kfree (bus); + list_del(&bus->bus_list); + kfree(bus); return 0; } @@ -1442,7 +1439,7 @@ int ibmphp_remove_bus (struct bus_node *bus, u8 parent_busno) * Input: current bus, previous bus * Output: 0, -EINVAL ******************************************************************************/ -static int remove_ranges (struct bus_node *bus_cur, struct bus_node *bus_prev) +static int remove_ranges(struct bus_node *bus_cur, struct bus_node *bus_prev) { struct range_node *range_cur; struct range_node *range_tmp; @@ -1452,13 +1449,13 @@ static int remove_ranges (struct bus_node *bus_cur, struct bus_node *bus_prev) if (bus_cur->noIORanges) { range_cur = bus_cur->rangeIO; for (i = 0; i < bus_cur->noIORanges; i++) { - if (ibmphp_find_resource (bus_prev, range_cur->start, &res, IO) < 0) + if (ibmphp_find_resource(bus_prev, range_cur->start, &res, IO) < 0) return -EINVAL; - ibmphp_remove_resource (res); + ibmphp_remove_resource(res); range_tmp = range_cur; range_cur = range_cur->next; - kfree (range_tmp); + kfree(range_tmp); range_tmp = NULL; } bus_cur->rangeIO = NULL; @@ -1466,13 +1463,13 @@ static int remove_ranges (struct bus_node *bus_cur, struct bus_node *bus_prev) if (bus_cur->noMemRanges) { range_cur = bus_cur->rangeMem; for (i = 0; i < bus_cur->noMemRanges; i++) { - if (ibmphp_find_resource (bus_prev, range_cur->start, &res, MEM) < 0) + if (ibmphp_find_resource(bus_prev, range_cur->start, &res, MEM) < 0) return -EINVAL; - ibmphp_remove_resource (res); + ibmphp_remove_resource(res); range_tmp = range_cur; range_cur = range_cur->next; - kfree (range_tmp); + kfree(range_tmp); range_tmp = NULL; } bus_cur->rangeMem = NULL; @@ -1480,13 +1477,13 @@ static int remove_ranges (struct bus_node *bus_cur, struct bus_node *bus_prev) if (bus_cur->noPFMemRanges) { range_cur = bus_cur->rangePFMem; for (i = 0; i < bus_cur->noPFMemRanges; i++) { - if (ibmphp_find_resource (bus_prev, range_cur->start, &res, PFMEM) < 0) + if (ibmphp_find_resource(bus_prev, range_cur->start, &res, PFMEM) < 0) return -EINVAL; - ibmphp_remove_resource (res); + ibmphp_remove_resource(res); range_tmp = range_cur; range_cur = range_cur->next; - kfree (range_tmp); + kfree(range_tmp); range_tmp = NULL; } bus_cur->rangePFMem = NULL; @@ -1498,13 +1495,13 @@ static int remove_ranges (struct bus_node *bus_cur, struct bus_node *bus_prev) * find the resource node in the bus * Input: Resource needed, start address of the resource, type of resource */ -int ibmphp_find_resource (struct bus_node *bus, u32 start_address, struct resource_node **res, int flag) +int ibmphp_find_resource(struct bus_node *bus, u32 start_address, struct resource_node **res, int flag) { struct resource_node *res_cur = NULL; - char * type = ""; + char *type = ""; if (!bus) { - err ("The bus passed in NULL to find resource\n"); + err("The bus passed in NULL to find resource\n"); return -ENODEV; } @@ -1522,7 +1519,7 @@ int ibmphp_find_resource (struct bus_node *bus, u32 start_address, struct resour type = "pfmem"; break; default: - err ("wrong type of flag\n"); + err("wrong type of flag\n"); return -EINVAL; } @@ -1548,17 +1545,17 @@ int ibmphp_find_resource (struct bus_node *bus, u32 start_address, struct resour res_cur = res_cur->next; } if (!res_cur) { - debug ("SOS...cannot find %s resource in the bus.\n", type); + debug("SOS...cannot find %s resource in the bus.\n", type); return -EINVAL; } } else { - debug ("SOS... cannot find %s resource in the bus.\n", type); + debug("SOS... cannot find %s resource in the bus.\n", type); return -EINVAL; } } if (*res) - debug ("*res->start = %x\n", (*res)->start); + debug("*res->start = %x\n", (*res)->start); return 0; } @@ -1569,21 +1566,18 @@ int ibmphp_find_resource (struct bus_node *bus, u32 start_address, struct resour * Parameters: none * Returns: none ***********************************************************************/ -void ibmphp_free_resources (void) +void ibmphp_free_resources(void) { - struct bus_node *bus_cur = NULL; + struct bus_node *bus_cur = NULL, *next; struct bus_node *bus_tmp; struct range_node *range_cur; struct range_node *range_tmp; struct resource_node *res_cur; struct resource_node *res_tmp; - struct list_head *tmp; - struct list_head *next; int i = 0; flags = 1; - list_for_each_safe (tmp, next, &gbuses) { - bus_cur = list_entry (tmp, struct bus_node, bus_list); + list_for_each_entry_safe(bus_cur, next, &gbuses, bus_list) { if (bus_cur->noIORanges) { range_cur = bus_cur->rangeIO; for (i = 0; i < bus_cur->noIORanges; i++) { @@ -1591,7 +1585,7 @@ void ibmphp_free_resources (void) break; range_tmp = range_cur; range_cur = range_cur->next; - kfree (range_tmp); + kfree(range_tmp); range_tmp = NULL; } } @@ -1602,7 +1596,7 @@ void ibmphp_free_resources (void) break; range_tmp = range_cur; range_cur = range_cur->next; - kfree (range_tmp); + kfree(range_tmp); range_tmp = NULL; } } @@ -1613,7 +1607,7 @@ void ibmphp_free_resources (void) break; range_tmp = range_cur; range_cur = range_cur->next; - kfree (range_tmp); + kfree(range_tmp); range_tmp = NULL; } } @@ -1626,7 +1620,7 @@ void ibmphp_free_resources (void) res_cur = res_cur->next; else res_cur = res_cur->nextRange; - kfree (res_tmp); + kfree(res_tmp); res_tmp = NULL; } bus_cur->firstIO = NULL; @@ -1639,7 +1633,7 @@ void ibmphp_free_resources (void) res_cur = res_cur->next; else res_cur = res_cur->nextRange; - kfree (res_tmp); + kfree(res_tmp); res_tmp = NULL; } bus_cur->firstMem = NULL; @@ -1652,7 +1646,7 @@ void ibmphp_free_resources (void) res_cur = res_cur->next; else res_cur = res_cur->nextRange; - kfree (res_tmp); + kfree(res_tmp); res_tmp = NULL; } bus_cur->firstPFMem = NULL; @@ -1664,15 +1658,15 @@ void ibmphp_free_resources (void) res_tmp = res_cur; res_cur = res_cur->next; - kfree (res_tmp); + kfree(res_tmp); res_tmp = NULL; } bus_cur->firstPFMemFromMem = NULL; } bus_tmp = bus_cur; - list_del (&bus_cur->bus_list); - kfree (bus_tmp); + list_del(&bus_cur->bus_list); + kfree(bus_tmp); bus_tmp = NULL; } } @@ -1685,16 +1679,14 @@ void ibmphp_free_resources (void) * a new Mem node * This routine is called right after initialization *******************************************************************************/ -static int __init once_over (void) +static int __init once_over(void) { struct resource_node *pfmem_cur; struct resource_node *pfmem_prev; struct resource_node *mem; struct bus_node *bus_cur; - struct list_head *tmp; - list_for_each (tmp, &gbuses) { - bus_cur = list_entry (tmp, struct bus_node, bus_list); + list_for_each_entry(bus_cur, &gbuses, bus_list) { if ((!bus_cur->rangePFMem) && (bus_cur->firstPFMem)) { for (pfmem_cur = bus_cur->firstPFMem, pfmem_prev = NULL; pfmem_cur; pfmem_prev = pfmem_cur, pfmem_cur = pfmem_cur->next) { pfmem_cur->fromMem = 1; @@ -1716,7 +1708,7 @@ static int __init once_over (void) mem = kzalloc(sizeof(struct resource_node), GFP_KERNEL); if (!mem) { - err ("out of system memory\n"); + err("out of system memory\n"); return -ENOMEM; } mem->type = MEM; @@ -1725,8 +1717,8 @@ static int __init once_over (void) mem->start = pfmem_cur->start; mem->end = pfmem_cur->end; mem->len = pfmem_cur->len; - if (ibmphp_add_resource (mem) < 0) - err ("Trouble...trouble... EBDA allocated pfmem from mem, but system doesn't display it has this space... unless not PCI device...\n"); + if (ibmphp_add_resource(mem) < 0) + err("Trouble...trouble... EBDA allocated pfmem from mem, but system doesn't display it has this space... unless not PCI device...\n"); pfmem_cur->rangeno = mem->rangeno; } /* end for pfmem */ } /* end if */ @@ -1734,12 +1726,12 @@ static int __init once_over (void) return 0; } -int ibmphp_add_pfmem_from_mem (struct resource_node *pfmem) +int ibmphp_add_pfmem_from_mem(struct resource_node *pfmem) { - struct bus_node *bus_cur = find_bus_wprev (pfmem->busno, NULL, 0); + struct bus_node *bus_cur = find_bus_wprev(pfmem->busno, NULL, 0); if (!bus_cur) { - err ("cannot find bus of pfmem to add...\n"); + err("cannot find bus of pfmem to add...\n"); return -ENODEV; } @@ -1759,22 +1751,18 @@ int ibmphp_add_pfmem_from_mem (struct resource_node *pfmem) * Parameters: bus_number * Returns: Bus pointer or NULL */ -struct bus_node *ibmphp_find_res_bus (u8 bus_number) +struct bus_node *ibmphp_find_res_bus(u8 bus_number) { - return find_bus_wprev (bus_number, NULL, 0); + return find_bus_wprev(bus_number, NULL, 0); } -static struct bus_node *find_bus_wprev (u8 bus_number, struct bus_node **prev, u8 flag) +static struct bus_node *find_bus_wprev(u8 bus_number, struct bus_node **prev, u8 flag) { struct bus_node *bus_cur; - struct list_head *tmp; - struct list_head *tmp_prev; - list_for_each (tmp, &gbuses) { - tmp_prev = tmp->prev; - bus_cur = list_entry (tmp, struct bus_node, bus_list); + list_for_each_entry(bus_cur, &gbuses, bus_list) { if (flag) - *prev = list_entry (tmp_prev, struct bus_node, bus_list); + *prev = list_prev_entry(bus_cur, bus_list); if (bus_cur->busno == bus_number) return bus_cur; } @@ -1782,23 +1770,21 @@ static struct bus_node *find_bus_wprev (u8 bus_number, struct bus_node **prev, u return NULL; } -void ibmphp_print_test (void) +void ibmphp_print_test(void) { int i = 0; struct bus_node *bus_cur = NULL; struct range_node *range; struct resource_node *res; - struct list_head *tmp; - debug_pci ("*****************START**********************\n"); + debug_pci("*****************START**********************\n"); if ((!list_empty(&gbuses)) && flags) { - err ("The GBUSES is not NULL?!?!?!?!?\n"); + err("The GBUSES is not NULL?!?!?!?!?\n"); return; } - list_for_each (tmp, &gbuses) { - bus_cur = list_entry (tmp, struct bus_node, bus_list); + list_for_each_entry(bus_cur, &gbuses, bus_list) { debug_pci ("This is bus # %d. There are\n", bus_cur->busno); debug_pci ("IORanges = %d\t", bus_cur->noIORanges); debug_pci ("MemRanges = %d\t", bus_cur->noMemRanges); @@ -1807,42 +1793,42 @@ void ibmphp_print_test (void) if (bus_cur->rangeIO) { range = bus_cur->rangeIO; for (i = 0; i < bus_cur->noIORanges; i++) { - debug_pci ("rangeno is %d\n", range->rangeno); - debug_pci ("[%x - %x]\n", range->start, range->end); + debug_pci("rangeno is %d\n", range->rangeno); + debug_pci("[%x - %x]\n", range->start, range->end); range = range->next; } } - debug_pci ("The Mem Ranges are as follows:\n"); + debug_pci("The Mem Ranges are as follows:\n"); if (bus_cur->rangeMem) { range = bus_cur->rangeMem; for (i = 0; i < bus_cur->noMemRanges; i++) { - debug_pci ("rangeno is %d\n", range->rangeno); - debug_pci ("[%x - %x]\n", range->start, range->end); + debug_pci("rangeno is %d\n", range->rangeno); + debug_pci("[%x - %x]\n", range->start, range->end); range = range->next; } } - debug_pci ("The PFMem Ranges are as follows:\n"); + debug_pci("The PFMem Ranges are as follows:\n"); if (bus_cur->rangePFMem) { range = bus_cur->rangePFMem; for (i = 0; i < bus_cur->noPFMemRanges; i++) { - debug_pci ("rangeno is %d\n", range->rangeno); - debug_pci ("[%x - %x]\n", range->start, range->end); + debug_pci("rangeno is %d\n", range->rangeno); + debug_pci("[%x - %x]\n", range->start, range->end); range = range->next; } } - debug_pci ("The resources on this bus are as follows\n"); + debug_pci("The resources on this bus are as follows\n"); - debug_pci ("IO...\n"); + debug_pci("IO...\n"); if (bus_cur->firstIO) { res = bus_cur->firstIO; while (res) { - debug_pci ("The range # is %d\n", res->rangeno); - debug_pci ("The bus, devfnc is %d, %x\n", res->busno, res->devfunc); - debug_pci ("[%x - %x], len=%x\n", res->start, res->end, res->len); + debug_pci("The range # is %d\n", res->rangeno); + debug_pci("The bus, devfnc is %d, %x\n", res->busno, res->devfunc); + debug_pci("[%x - %x], len=%x\n", res->start, res->end, res->len); if (res->next) res = res->next; else if (res->nextRange) @@ -1851,13 +1837,13 @@ void ibmphp_print_test (void) break; } } - debug_pci ("Mem...\n"); + debug_pci("Mem...\n"); if (bus_cur->firstMem) { res = bus_cur->firstMem; while (res) { - debug_pci ("The range # is %d\n", res->rangeno); - debug_pci ("The bus, devfnc is %d, %x\n", res->busno, res->devfunc); - debug_pci ("[%x - %x], len=%x\n", res->start, res->end, res->len); + debug_pci("The range # is %d\n", res->rangeno); + debug_pci("The bus, devfnc is %d, %x\n", res->busno, res->devfunc); + debug_pci("[%x - %x], len=%x\n", res->start, res->end, res->len); if (res->next) res = res->next; else if (res->nextRange) @@ -1866,13 +1852,13 @@ void ibmphp_print_test (void) break; } } - debug_pci ("PFMem...\n"); + debug_pci("PFMem...\n"); if (bus_cur->firstPFMem) { res = bus_cur->firstPFMem; while (res) { - debug_pci ("The range # is %d\n", res->rangeno); - debug_pci ("The bus, devfnc is %d, %x\n", res->busno, res->devfunc); - debug_pci ("[%x - %x], len=%x\n", res->start, res->end, res->len); + debug_pci("The range # is %d\n", res->rangeno); + debug_pci("The bus, devfnc is %d, %x\n", res->busno, res->devfunc); + debug_pci("[%x - %x], len=%x\n", res->start, res->end, res->len); if (res->next) res = res->next; else if (res->nextRange) @@ -1882,23 +1868,23 @@ void ibmphp_print_test (void) } } - debug_pci ("PFMemFromMem...\n"); + debug_pci("PFMemFromMem...\n"); if (bus_cur->firstPFMemFromMem) { res = bus_cur->firstPFMemFromMem; while (res) { - debug_pci ("The range # is %d\n", res->rangeno); - debug_pci ("The bus, devfnc is %d, %x\n", res->busno, res->devfunc); - debug_pci ("[%x - %x], len=%x\n", res->start, res->end, res->len); + debug_pci("The range # is %d\n", res->rangeno); + debug_pci("The bus, devfnc is %d, %x\n", res->busno, res->devfunc); + debug_pci("[%x - %x], len=%x\n", res->start, res->end, res->len); res = res->next; } } } - debug_pci ("***********************END***********************\n"); + debug_pci("***********************END***********************\n"); } -static int range_exists_already (struct range_node * range, struct bus_node * bus_cur, u8 type) +static int range_exists_already(struct range_node *range, struct bus_node *bus_cur, u8 type) { - struct range_node * range_cur = NULL; + struct range_node *range_cur = NULL; switch (type) { case IO: range_cur = bus_cur->rangeIO; @@ -1910,7 +1896,7 @@ static int range_exists_already (struct range_node * range, struct bus_node * bu range_cur = bus_cur->rangePFMem; break; default: - err ("wrong type passed to find out if range already exists\n"); + err("wrong type passed to find out if range already exists\n"); return -ENODEV; } @@ -1937,7 +1923,7 @@ static int range_exists_already (struct range_node * range, struct bus_node * bu * behind them All these are TO DO. * Also need to add more error checkings... (from fnc returns etc) */ -static int __init update_bridge_ranges (struct bus_node **bus) +static int __init update_bridge_ranges(struct bus_node **bus) { u8 sec_busno, device, function, hdr_type, start_io_address, end_io_address; u16 vendor_id, upper_io_start, upper_io_end, start_mem_address, end_mem_address; @@ -1955,17 +1941,17 @@ static int __init update_bridge_ranges (struct bus_node **bus) return -ENODEV; ibmphp_pci_bus->number = bus_cur->busno; - debug ("inside %s\n", __func__); - debug ("bus_cur->busno = %x\n", bus_cur->busno); + debug("inside %s\n", __func__); + debug("bus_cur->busno = %x\n", bus_cur->busno); for (device = 0; device < 32; device++) { for (function = 0x00; function < 0x08; function++) { devfn = PCI_DEVFN(device, function); - pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_VENDOR_ID, &vendor_id); + pci_bus_read_config_word(ibmphp_pci_bus, devfn, PCI_VENDOR_ID, &vendor_id); if (vendor_id != PCI_VENDOR_ID_NOTVALID) { /* found correct device!!! */ - pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_HEADER_TYPE, &hdr_type); + pci_bus_read_config_byte(ibmphp_pci_bus, devfn, PCI_HEADER_TYPE, &hdr_type); switch (hdr_type) { case PCI_HEADER_TYPE_NORMAL: @@ -1984,18 +1970,18 @@ static int __init update_bridge_ranges (struct bus_node **bus) temp++; } */ - pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, &sec_busno); - bus_sec = find_bus_wprev (sec_busno, NULL, 0); + pci_bus_read_config_byte(ibmphp_pci_bus, devfn, PCI_SECONDARY_BUS, &sec_busno); + bus_sec = find_bus_wprev(sec_busno, NULL, 0); /* this bus structure doesn't exist yet, PPB was configured during previous loading of ibmphp */ if (!bus_sec) { - bus_sec = alloc_error_bus (NULL, sec_busno, 1); + bus_sec = alloc_error_bus(NULL, sec_busno, 1); /* the rest will be populated during NVRAM call */ return 0; } - pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_IO_BASE, &start_io_address); - pci_bus_read_config_byte (ibmphp_pci_bus, devfn, PCI_IO_LIMIT, &end_io_address); - pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_IO_BASE_UPPER16, &upper_io_start); - pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_IO_LIMIT_UPPER16, &upper_io_end); + pci_bus_read_config_byte(ibmphp_pci_bus, devfn, PCI_IO_BASE, &start_io_address); + pci_bus_read_config_byte(ibmphp_pci_bus, devfn, PCI_IO_LIMIT, &end_io_address); + pci_bus_read_config_word(ibmphp_pci_bus, devfn, PCI_IO_BASE_UPPER16, &upper_io_start); + pci_bus_read_config_word(ibmphp_pci_bus, devfn, PCI_IO_LIMIT_UPPER16, &upper_io_end); start_address = (start_io_address & PCI_IO_RANGE_MASK) << 8; start_address |= (upper_io_start << 16); end_address = (end_io_address & PCI_IO_RANGE_MASK) << 8; @@ -2004,18 +1990,18 @@ static int __init update_bridge_ranges (struct bus_node **bus) if ((start_address) && (start_address <= end_address)) { range = kzalloc(sizeof(struct range_node), GFP_KERNEL); if (!range) { - err ("out of system memory\n"); + err("out of system memory\n"); return -ENOMEM; } range->start = start_address; range->end = end_address + 0xfff; if (bus_sec->noIORanges > 0) { - if (!range_exists_already (range, bus_sec, IO)) { - add_bus_range (IO, range, bus_sec); + if (!range_exists_already(range, bus_sec, IO)) { + add_bus_range(IO, range, bus_sec); ++bus_sec->noIORanges; } else { - kfree (range); + kfree(range); range = NULL; } } else { @@ -2024,13 +2010,13 @@ static int __init update_bridge_ranges (struct bus_node **bus) bus_sec->rangeIO = range; ++bus_sec->noIORanges; } - fix_resources (bus_sec); + fix_resources(bus_sec); - if (ibmphp_find_resource (bus_cur, start_address, &io, IO)) { + if (ibmphp_find_resource(bus_cur, start_address, &io, IO)) { io = kzalloc(sizeof(struct resource_node), GFP_KERNEL); if (!io) { - kfree (range); - err ("out of system memory\n"); + kfree(range); + err("out of system memory\n"); return -ENOMEM; } io->type = IO; @@ -2039,12 +2025,12 @@ static int __init update_bridge_ranges (struct bus_node **bus) io->start = start_address; io->end = end_address + 0xfff; io->len = io->end - io->start + 1; - ibmphp_add_resource (io); + ibmphp_add_resource(io); } } - pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_MEMORY_BASE, &start_mem_address); - pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_MEMORY_LIMIT, &end_mem_address); + pci_bus_read_config_word(ibmphp_pci_bus, devfn, PCI_MEMORY_BASE, &start_mem_address); + pci_bus_read_config_word(ibmphp_pci_bus, devfn, PCI_MEMORY_LIMIT, &end_mem_address); start_address = 0x00000000 | (start_mem_address & PCI_MEMORY_RANGE_MASK) << 16; end_address = 0x00000000 | (end_mem_address & PCI_MEMORY_RANGE_MASK) << 16; @@ -2053,18 +2039,18 @@ static int __init update_bridge_ranges (struct bus_node **bus) range = kzalloc(sizeof(struct range_node), GFP_KERNEL); if (!range) { - err ("out of system memory\n"); + err("out of system memory\n"); return -ENOMEM; } range->start = start_address; range->end = end_address + 0xfffff; if (bus_sec->noMemRanges > 0) { - if (!range_exists_already (range, bus_sec, MEM)) { - add_bus_range (MEM, range, bus_sec); + if (!range_exists_already(range, bus_sec, MEM)) { + add_bus_range(MEM, range, bus_sec); ++bus_sec->noMemRanges; } else { - kfree (range); + kfree(range); range = NULL; } } else { @@ -2074,13 +2060,13 @@ static int __init update_bridge_ranges (struct bus_node **bus) ++bus_sec->noMemRanges; } - fix_resources (bus_sec); + fix_resources(bus_sec); - if (ibmphp_find_resource (bus_cur, start_address, &mem, MEM)) { + if (ibmphp_find_resource(bus_cur, start_address, &mem, MEM)) { mem = kzalloc(sizeof(struct resource_node), GFP_KERNEL); if (!mem) { - kfree (range); - err ("out of system memory\n"); + kfree(range); + err("out of system memory\n"); return -ENOMEM; } mem->type = MEM; @@ -2089,13 +2075,13 @@ static int __init update_bridge_ranges (struct bus_node **bus) mem->start = start_address; mem->end = end_address + 0xfffff; mem->len = mem->end - mem->start + 1; - ibmphp_add_resource (mem); + ibmphp_add_resource(mem); } } - pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_BASE, &start_mem_address); - pci_bus_read_config_word (ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_LIMIT, &end_mem_address); - pci_bus_read_config_dword (ibmphp_pci_bus, devfn, PCI_PREF_BASE_UPPER32, &upper_start); - pci_bus_read_config_dword (ibmphp_pci_bus, devfn, PCI_PREF_LIMIT_UPPER32, &upper_end); + pci_bus_read_config_word(ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_BASE, &start_mem_address); + pci_bus_read_config_word(ibmphp_pci_bus, devfn, PCI_PREF_MEMORY_LIMIT, &end_mem_address); + pci_bus_read_config_dword(ibmphp_pci_bus, devfn, PCI_PREF_BASE_UPPER32, &upper_start); + pci_bus_read_config_dword(ibmphp_pci_bus, devfn, PCI_PREF_LIMIT_UPPER32, &upper_end); start_address = 0x00000000 | (start_mem_address & PCI_MEMORY_RANGE_MASK) << 16; end_address = 0x00000000 | (end_mem_address & PCI_MEMORY_RANGE_MASK) << 16; #if BITS_PER_LONG == 64 @@ -2107,18 +2093,18 @@ static int __init update_bridge_ranges (struct bus_node **bus) range = kzalloc(sizeof(struct range_node), GFP_KERNEL); if (!range) { - err ("out of system memory\n"); + err("out of system memory\n"); return -ENOMEM; } range->start = start_address; range->end = end_address + 0xfffff; if (bus_sec->noPFMemRanges > 0) { - if (!range_exists_already (range, bus_sec, PFMEM)) { - add_bus_range (PFMEM, range, bus_sec); + if (!range_exists_already(range, bus_sec, PFMEM)) { + add_bus_range(PFMEM, range, bus_sec); ++bus_sec->noPFMemRanges; } else { - kfree (range); + kfree(range); range = NULL; } } else { @@ -2128,12 +2114,12 @@ static int __init update_bridge_ranges (struct bus_node **bus) ++bus_sec->noPFMemRanges; } - fix_resources (bus_sec); - if (ibmphp_find_resource (bus_cur, start_address, &pfmem, PFMEM)) { + fix_resources(bus_sec); + if (ibmphp_find_resource(bus_cur, start_address, &pfmem, PFMEM)) { pfmem = kzalloc(sizeof(struct resource_node), GFP_KERNEL); if (!pfmem) { - kfree (range); - err ("out of system memory\n"); + kfree(range); + err("out of system memory\n"); return -ENOMEM; } pfmem->type = PFMEM; @@ -2144,7 +2130,7 @@ static int __init update_bridge_ranges (struct bus_node **bus) pfmem->len = pfmem->end - pfmem->start + 1; pfmem->fromMem = 0; - ibmphp_add_resource (pfmem); + ibmphp_add_resource(pfmem); } } break; |