Commit 2e36dd6b authored by Rolf Eike Beer's avatar Rolf Eike Beer Committed by Deepak Saxena

[PATCH] PCI Express Hotplug: fix coding style

parent 7ab60fc1
...@@ -251,12 +251,10 @@ u8 pciehp_handle_power_fault(u8 hp_slot, void *inst_id) ...@@ -251,12 +251,10 @@ u8 pciehp_handle_power_fault(u8 hp_slot, void *inst_id)
} }
/* /**
* sort_by_size * sort_by_size: sort nodes by their length, smallest first.
*
* Sorts nodes on the list by their length.
* Smallest first.
* *
* @head: list to sort
*/ */
static int sort_by_size(struct pci_resource **head) static int sort_by_size(struct pci_resource **head)
{ {
...@@ -265,10 +263,10 @@ static int sort_by_size(struct pci_resource **head) ...@@ -265,10 +263,10 @@ static int sort_by_size(struct pci_resource **head)
int out_of_order = 1; int out_of_order = 1;
if (!(*head)) if (!(*head))
return(1); return 1;
if (!((*head)->next)) if (!((*head)->next))
return(0); return 0;
while (out_of_order) { while (out_of_order) {
out_of_order = 0; out_of_order = 0;
...@@ -298,7 +296,7 @@ static int sort_by_size(struct pci_resource **head) ...@@ -298,7 +296,7 @@ static int sort_by_size(struct pci_resource **head)
} }
} /* End of out_of_order loop */ } /* End of out_of_order loop */
return(0); return 0;
} }
...@@ -316,10 +314,10 @@ static int sort_by_max_size(struct pci_resource **head) ...@@ -316,10 +314,10 @@ static int sort_by_max_size(struct pci_resource **head)
int out_of_order = 1; int out_of_order = 1;
if (!(*head)) if (!(*head))
return(1); return 1;
if (!((*head)->next)) if (!((*head)->next))
return(0); return 0;
while (out_of_order) { while (out_of_order) {
out_of_order = 0; out_of_order = 0;
...@@ -349,17 +347,18 @@ static int sort_by_max_size(struct pci_resource **head) ...@@ -349,17 +347,18 @@ static int sort_by_max_size(struct pci_resource **head)
} }
} /* End of out_of_order loop */ } /* End of out_of_order loop */
return(0); return 0;
} }
/* /**
* do_pre_bridge_resource_split * do_pre_bridge_resource_split: return one unused resource node
* * @head: list to scan
* Returns zero or one node of resources that aren't in use
* *
*/ */
static struct pci_resource *do_pre_bridge_resource_split (struct pci_resource **head, struct pci_resource **orig_head, u32 alignment) static struct pci_resource *
do_pre_bridge_resource_split(struct pci_resource **head,
struct pci_resource **orig_head, u32 alignment)
{ {
struct pci_resource *prevnode = NULL; struct pci_resource *prevnode = NULL;
struct pci_resource *node; struct pci_resource *node;
...@@ -369,18 +368,18 @@ static struct pci_resource *do_pre_bridge_resource_split (struct pci_resource ** ...@@ -369,18 +368,18 @@ static struct pci_resource *do_pre_bridge_resource_split (struct pci_resource **
dbg("do_pre_bridge_resource_split\n"); dbg("do_pre_bridge_resource_split\n");
if (!(*head) || !(*orig_head)) if (!(*head) || !(*orig_head))
return(NULL); return NULL;
rc = pciehp_resource_sort_and_combine(head); rc = pciehp_resource_sort_and_combine(head);
if (rc) if (rc)
return(NULL); return NULL;
if ((*head)->base != (*orig_head)->base) if ((*head)->base != (*orig_head)->base)
return(NULL); return NULL;
if ((*head)->length == (*orig_head)->length) if ((*head)->length == (*orig_head)->length)
return(NULL); return NULL;
/* If we got here, there the bridge requires some of the resource, but /* If we got here, there the bridge requires some of the resource, but
...@@ -395,7 +394,7 @@ static struct pci_resource *do_pre_bridge_resource_split (struct pci_resource ** ...@@ -395,7 +394,7 @@ static struct pci_resource *do_pre_bridge_resource_split (struct pci_resource **
split_node = (struct pci_resource*) kmalloc(sizeof(struct pci_resource), GFP_KERNEL); split_node = (struct pci_resource*) kmalloc(sizeof(struct pci_resource), GFP_KERNEL);
if (!split_node) if (!split_node)
return(NULL); return NULL;
temp_dword = (node->length | (alignment-1)) + 1 - alignment; temp_dword = (node->length | (alignment-1)) + 1 - alignment;
...@@ -410,9 +409,8 @@ static struct pci_resource *do_pre_bridge_resource_split (struct pci_resource ** ...@@ -410,9 +409,8 @@ static struct pci_resource *do_pre_bridge_resource_split (struct pci_resource **
split_node->next = node; split_node->next = node;
} }
if (node->length < alignment) { if (node->length < alignment)
return(NULL); return NULL;
}
/* Now unlink it */ /* Now unlink it */
if (*head == node) { if (*head == node) {
...@@ -427,17 +425,17 @@ static struct pci_resource *do_pre_bridge_resource_split (struct pci_resource ** ...@@ -427,17 +425,17 @@ static struct pci_resource *do_pre_bridge_resource_split (struct pci_resource **
node->next = NULL; node->next = NULL;
} }
return(node); return node;
} }
/* /**
* do_bridge_resource_split * do_bridge_resource_split: return one unused resource node
* * @head: list to scan
* Returns zero or one node of resources that aren't in use
* *
*/ */
static struct pci_resource *do_bridge_resource_split (struct pci_resource **head, u32 alignment) static struct pci_resource *
do_bridge_resource_split(struct pci_resource **head, u32 alignment)
{ {
struct pci_resource *prevnode = NULL; struct pci_resource *prevnode = NULL;
struct pci_resource *node; struct pci_resource *node;
...@@ -445,12 +443,12 @@ static struct pci_resource *do_bridge_resource_split (struct pci_resource **head ...@@ -445,12 +443,12 @@ static struct pci_resource *do_bridge_resource_split (struct pci_resource **head
u32 temp_dword; u32 temp_dword;
if (!(*head)) if (!(*head))
return(NULL); return NULL;
rc = pciehp_resource_sort_and_combine(head); rc = pciehp_resource_sort_and_combine(head);
if (rc) if (rc)
return(NULL); return NULL;
node = *head; node = *head;
...@@ -462,7 +460,7 @@ static struct pci_resource *do_bridge_resource_split (struct pci_resource **head ...@@ -462,7 +460,7 @@ static struct pci_resource *do_bridge_resource_split (struct pci_resource **head
if (node->length < alignment) { if (node->length < alignment) {
kfree(node); kfree(node);
return(NULL); return NULL;
} }
if (node->base & (alignment - 1)) { if (node->base & (alignment - 1)) {
...@@ -470,7 +468,7 @@ static struct pci_resource *do_bridge_resource_split (struct pci_resource **head ...@@ -470,7 +468,7 @@ static struct pci_resource *do_bridge_resource_split (struct pci_resource **head
temp_dword = (node->base | (alignment-1)) + 1; temp_dword = (node->base | (alignment-1)) + 1;
if ((node->length - (temp_dword - node->base)) < alignment) { if ((node->length - (temp_dword - node->base)) < alignment) {
kfree(node); kfree(node);
return(NULL); return NULL;
} }
node->length -= (temp_dword - node->base); node->length -= (temp_dword - node->base);
...@@ -480,10 +478,10 @@ static struct pci_resource *do_bridge_resource_split (struct pci_resource **head ...@@ -480,10 +478,10 @@ static struct pci_resource *do_bridge_resource_split (struct pci_resource **head
if (node->length & (alignment - 1)) { if (node->length & (alignment - 1)) {
/* There's stuff in use after this node */ /* There's stuff in use after this node */
kfree(node); kfree(node);
return(NULL); return NULL;
} }
return(node); return node;
} }
...@@ -497,7 +495,7 @@ static struct pci_resource *do_bridge_resource_split (struct pci_resource **head ...@@ -497,7 +495,7 @@ static struct pci_resource *do_bridge_resource_split (struct pci_resource **head
* *
* size must be a power of two. * size must be a power of two.
*/ */
static struct pci_resource *get_io_resource (struct pci_resource **head, u32 size) static struct pci_resource *get_io_resource(struct pci_resource **head, u32 size)
{ {
struct pci_resource *prevnode; struct pci_resource *prevnode;
struct pci_resource *node; struct pci_resource *node;
...@@ -505,13 +503,13 @@ static struct pci_resource *get_io_resource (struct pci_resource **head, u32 siz ...@@ -505,13 +503,13 @@ static struct pci_resource *get_io_resource (struct pci_resource **head, u32 siz
u32 temp_dword; u32 temp_dword;
if (!(*head)) if (!(*head))
return(NULL); return NULL;
if ( pciehp_resource_sort_and_combine(head) ) if ( pciehp_resource_sort_and_combine(head) )
return(NULL); return NULL;
if ( sort_by_size(head) ) if ( sort_by_size(head) )
return(NULL); return NULL;
for (node = *head; node; node = node->next) { for (node = *head; node; node = node->next) {
if (node->length < size) if (node->length < size)
...@@ -529,7 +527,7 @@ static struct pci_resource *get_io_resource (struct pci_resource **head, u32 siz ...@@ -529,7 +527,7 @@ static struct pci_resource *get_io_resource (struct pci_resource **head, u32 siz
split_node = (struct pci_resource*) kmalloc(sizeof(struct pci_resource), GFP_KERNEL); split_node = (struct pci_resource*) kmalloc(sizeof(struct pci_resource), GFP_KERNEL);
if (!split_node) if (!split_node)
return(NULL); return NULL;
split_node->base = node->base; split_node->base = node->base;
split_node->length = temp_dword - node->base; split_node->length = temp_dword - node->base;
...@@ -548,7 +546,7 @@ static struct pci_resource *get_io_resource (struct pci_resource **head, u32 siz ...@@ -548,7 +546,7 @@ static struct pci_resource *get_io_resource (struct pci_resource **head, u32 siz
split_node = (struct pci_resource*) kmalloc(sizeof(struct pci_resource), GFP_KERNEL); split_node = (struct pci_resource*) kmalloc(sizeof(struct pci_resource), GFP_KERNEL);
if (!split_node) if (!split_node)
return(NULL); return NULL;
split_node->base = node->base + size; split_node->base = node->base + size;
split_node->length = node->length - size; split_node->length = node->length - size;
...@@ -579,7 +577,7 @@ static struct pci_resource *get_io_resource (struct pci_resource **head, u32 siz ...@@ -579,7 +577,7 @@ static struct pci_resource *get_io_resource (struct pci_resource **head, u32 siz
break; break;
} }
return(node); return node;
} }
...@@ -592,7 +590,7 @@ static struct pci_resource *get_io_resource (struct pci_resource **head, u32 siz ...@@ -592,7 +590,7 @@ static struct pci_resource *get_io_resource (struct pci_resource **head, u32 siz
* J.I. modified to put max size limits of; 64M->32M->16M->8M->4M->1M * J.I. modified to put max size limits of; 64M->32M->16M->8M->4M->1M
* This is needed to avoid allocating entire ACPI _CRS res to one child bridge/slot. * This is needed to avoid allocating entire ACPI _CRS res to one child bridge/slot.
*/ */
static struct pci_resource *get_max_resource (struct pci_resource **head, u32 size) static struct pci_resource *get_max_resource(struct pci_resource **head, u32 size)
{ {
struct pci_resource *max; struct pci_resource *max;
struct pci_resource *temp; struct pci_resource *temp;
...@@ -602,13 +600,13 @@ static struct pci_resource *get_max_resource (struct pci_resource **head, u32 si ...@@ -602,13 +600,13 @@ static struct pci_resource *get_max_resource (struct pci_resource **head, u32 si
int i; int i;
if (!(*head)) if (!(*head))
return(NULL); return NULL;
if (pciehp_resource_sort_and_combine(head)) if (pciehp_resource_sort_and_combine(head))
return(NULL); return NULL;
if (sort_by_max_size(head)) if (sort_by_max_size(head))
return(NULL); return NULL;
for (max = *head;max; max = max->next) { for (max = *head;max; max = max->next) {
...@@ -629,7 +627,7 @@ static struct pci_resource *get_max_resource (struct pci_resource **head, u32 si ...@@ -629,7 +627,7 @@ static struct pci_resource *get_max_resource (struct pci_resource **head, u32 si
split_node = (struct pci_resource*) kmalloc(sizeof(struct pci_resource), GFP_KERNEL); split_node = (struct pci_resource*) kmalloc(sizeof(struct pci_resource), GFP_KERNEL);
if (!split_node) if (!split_node)
return(NULL); return NULL;
split_node->base = max->base; split_node->base = max->base;
split_node->length = temp_dword - max->base; split_node->length = temp_dword - max->base;
...@@ -647,7 +645,7 @@ static struct pci_resource *get_max_resource (struct pci_resource **head, u32 si ...@@ -647,7 +645,7 @@ static struct pci_resource *get_max_resource (struct pci_resource **head, u32 si
split_node = (struct pci_resource*) kmalloc(sizeof(struct pci_resource), GFP_KERNEL); split_node = (struct pci_resource*) kmalloc(sizeof(struct pci_resource), GFP_KERNEL);
if (!split_node) if (!split_node)
return(NULL); return NULL;
temp_dword = ((max->base + max->length) & ~(size - 1)); temp_dword = ((max->base + max->length) & ~(size - 1));
split_node->base = temp_dword; split_node->base = temp_dword;
split_node->length = max->length + max->base split_node->length = max->length + max->base
...@@ -667,7 +665,7 @@ static struct pci_resource *get_max_resource (struct pci_resource **head, u32 si ...@@ -667,7 +665,7 @@ static struct pci_resource *get_max_resource (struct pci_resource **head, u32 si
if (max->length > max_size[i]) { if (max->length > max_size[i]) {
split_node = (struct pci_resource *) kmalloc(sizeof(struct pci_resource), GFP_KERNEL); split_node = (struct pci_resource *) kmalloc(sizeof(struct pci_resource), GFP_KERNEL);
if (!split_node) if (!split_node)
break; /* return (NULL); */ break; /* return NULL; */
split_node->base = max->base + max_size[i]; split_node->base = max->base + max_size[i];
split_node->length = max->length - max_size[i]; split_node->length = max->length - max_size[i];
max->length = max_size[i]; max->length = max_size[i];
...@@ -691,11 +689,11 @@ static struct pci_resource *get_max_resource (struct pci_resource **head, u32 si ...@@ -691,11 +689,11 @@ static struct pci_resource *get_max_resource (struct pci_resource **head, u32 si
} }
max->next = NULL; max->next = NULL;
return(max); return max;
} }
/* If we get here, we couldn't find one */ /* If we get here, we couldn't find one */
return(NULL); return NULL;
} }
...@@ -708,7 +706,7 @@ static struct pci_resource *get_max_resource (struct pci_resource **head, u32 si ...@@ -708,7 +706,7 @@ static struct pci_resource *get_max_resource (struct pci_resource **head, u32 si
* *
* size must be a power of two. * size must be a power of two.
*/ */
static struct pci_resource *get_resource (struct pci_resource **head, u32 size) static struct pci_resource *get_resource(struct pci_resource **head, u32 size)
{ {
struct pci_resource *prevnode; struct pci_resource *prevnode;
struct pci_resource *node; struct pci_resource *node;
...@@ -716,13 +714,13 @@ static struct pci_resource *get_resource (struct pci_resource **head, u32 size) ...@@ -716,13 +714,13 @@ static struct pci_resource *get_resource (struct pci_resource **head, u32 size)
u32 temp_dword; u32 temp_dword;
if (!(*head)) if (!(*head))
return(NULL); return NULL;
if ( pciehp_resource_sort_and_combine(head) ) if ( pciehp_resource_sort_and_combine(head) )
return(NULL); return NULL;
if ( sort_by_size(head) ) if ( sort_by_size(head) )
return(NULL); return NULL;
for (node = *head; node; node = node->next) { for (node = *head; node; node = node->next) {
dbg("%s: req_size =0x%x node=%p, base=0x%x, length=0x%x\n", dbg("%s: req_size =0x%x node=%p, base=0x%x, length=0x%x\n",
...@@ -743,7 +741,7 @@ static struct pci_resource *get_resource (struct pci_resource **head, u32 size) ...@@ -743,7 +741,7 @@ static struct pci_resource *get_resource (struct pci_resource **head, u32 size)
split_node = (struct pci_resource*) kmalloc(sizeof(struct pci_resource), GFP_KERNEL); split_node = (struct pci_resource*) kmalloc(sizeof(struct pci_resource), GFP_KERNEL);
if (!split_node) if (!split_node)
return(NULL); return NULL;
split_node->base = node->base; split_node->base = node->base;
split_node->length = temp_dword - node->base; split_node->length = temp_dword - node->base;
...@@ -763,7 +761,7 @@ static struct pci_resource *get_resource (struct pci_resource **head, u32 size) ...@@ -763,7 +761,7 @@ static struct pci_resource *get_resource (struct pci_resource **head, u32 size)
split_node = (struct pci_resource*) kmalloc(sizeof(struct pci_resource), GFP_KERNEL); split_node = (struct pci_resource*) kmalloc(sizeof(struct pci_resource), GFP_KERNEL);
if (!split_node) if (!split_node)
return(NULL); return NULL;
split_node->base = node->base + size; split_node->base = node->base + size;
split_node->length = node->length - size; split_node->length = node->length - size;
...@@ -790,7 +788,7 @@ static struct pci_resource *get_resource (struct pci_resource **head, u32 size) ...@@ -790,7 +788,7 @@ static struct pci_resource *get_resource (struct pci_resource **head, u32 size)
/* Stop looping */ /* Stop looping */
break; break;
} }
return(node); return node;
} }
...@@ -812,12 +810,12 @@ int pciehp_resource_sort_and_combine(struct pci_resource **head) ...@@ -812,12 +810,12 @@ int pciehp_resource_sort_and_combine(struct pci_resource **head)
dbg("%s: head = %p, *head = %p\n", __FUNCTION__, head, *head); dbg("%s: head = %p, *head = %p\n", __FUNCTION__, head, *head);
if (!(*head)) if (!(*head))
return(1); return 1;
dbg("*head->next = %p\n",(*head)->next); dbg("*head->next = %p\n",(*head)->next);
if (!(*head)->next) if (!(*head)->next)
return(0); /* only one item on the list, already sorted! */ return 0; /* only one item on the list, already sorted! */
dbg("*head->base = 0x%x\n",(*head)->base); dbg("*head->base = 0x%x\n",(*head)->base);
dbg("*head->next->base = 0x%x\n",(*head)->next->base); dbg("*head->next->base = 0x%x\n",(*head)->next->base);
...@@ -863,7 +861,7 @@ int pciehp_resource_sort_and_combine(struct pci_resource **head) ...@@ -863,7 +861,7 @@ int pciehp_resource_sort_and_combine(struct pci_resource **head)
node1 = node1->next; node1 = node1->next;
} }
return(0); return 0;
} }
...@@ -880,9 +878,8 @@ struct pci_func *pciehp_slot_create(u8 busnumber) ...@@ -880,9 +878,8 @@ struct pci_func *pciehp_slot_create(u8 busnumber)
dbg("%s: busnumber %x\n", __FUNCTION__, busnumber); dbg("%s: busnumber %x\n", __FUNCTION__, busnumber);
new_slot = (struct pci_func *) kmalloc(sizeof(struct pci_func), GFP_KERNEL); new_slot = (struct pci_func *) kmalloc(sizeof(struct pci_func), GFP_KERNEL);
if (new_slot == NULL) { if (new_slot == NULL)
return(new_slot); return new_slot;
}
memset(new_slot, 0, sizeof(struct pci_func)); memset(new_slot, 0, sizeof(struct pci_func));
...@@ -897,11 +894,11 @@ struct pci_func *pciehp_slot_create(u8 busnumber) ...@@ -897,11 +894,11 @@ struct pci_func *pciehp_slot_create(u8 busnumber)
next = next->next; next = next->next;
next->next = new_slot; next->next = new_slot;
} }
return(new_slot); return new_slot;
} }
/* /**
* slot_remove - Removes a node from the linked list of slots. * slot_remove - Removes a node from the linked list of slots.
* @old_slot: slot to remove * @old_slot: slot to remove
* *
...@@ -912,19 +909,18 @@ static int slot_remove(struct pci_func * old_slot) ...@@ -912,19 +909,18 @@ static int slot_remove(struct pci_func * old_slot)
struct pci_func *next; struct pci_func *next;
if (old_slot == NULL) if (old_slot == NULL)
return(1); return 1;
next = pciehp_slot_list[old_slot->bus]; next = pciehp_slot_list[old_slot->bus];
if (next == NULL) { if (next == NULL)
return(1); return 1;
}
if (next == old_slot) { if (next == old_slot) {
pciehp_slot_list[old_slot->bus] = old_slot->next; pciehp_slot_list[old_slot->bus] = old_slot->next;
pciehp_destroy_board_resources(old_slot); pciehp_destroy_board_resources(old_slot);
kfree(old_slot); kfree(old_slot);
return(0); return 0;
} }
while ((next->next != old_slot) && (next->next != NULL)) { while ((next->next != old_slot) && (next->next != NULL)) {
...@@ -935,9 +931,9 @@ static int slot_remove(struct pci_func * old_slot) ...@@ -935,9 +931,9 @@ static int slot_remove(struct pci_func * old_slot)
next->next = old_slot->next; next->next = old_slot->next;
pciehp_destroy_board_resources(old_slot); pciehp_destroy_board_resources(old_slot);
kfree(old_slot); kfree(old_slot);
return(0); return 0;
} else } else
return(2); return 2;
} }
...@@ -954,7 +950,7 @@ static int bridge_slot_remove(struct pci_func *bridge) ...@@ -954,7 +950,7 @@ static int bridge_slot_remove(struct pci_func *bridge)
struct pci_func *next; struct pci_func *next;
if (bridge == NULL) if (bridge == NULL)
return(1); return 1;
secondaryBus = (bridge->config_space[0x06] >> 8) & 0xFF; secondaryBus = (bridge->config_space[0x06] >> 8) & 0xFF;
subordinateBus = (bridge->config_space[0x06] >> 16) & 0xFF; subordinateBus = (bridge->config_space[0x06] >> 16) & 0xFF;
...@@ -970,13 +966,13 @@ static int bridge_slot_remove(struct pci_func *bridge) ...@@ -970,13 +966,13 @@ static int bridge_slot_remove(struct pci_func *bridge)
next = pciehp_slot_list[bridge->bus]; next = pciehp_slot_list[bridge->bus];
if (next == NULL) { if (next == NULL) {
return(1); return 1;
} }
if (next == bridge) { if (next == bridge) {
pciehp_slot_list[bridge->bus] = bridge->next; pciehp_slot_list[bridge->bus] = bridge->next;
kfree(bridge); kfree(bridge);
return(0); return 0;
} }
while ((next->next != bridge) && (next->next != NULL)) { while ((next->next != bridge) && (next->next != NULL)) {
...@@ -986,9 +982,9 @@ static int bridge_slot_remove(struct pci_func *bridge) ...@@ -986,9 +982,9 @@ static int bridge_slot_remove(struct pci_func *bridge)
if (next->next == bridge) { if (next->next == bridge) {
next->next = bridge->next; next->next = bridge->next;
kfree(bridge); kfree(bridge);
return(0); return 0;
} else } else
return(2); return 2;
} }
...@@ -1016,7 +1012,7 @@ struct pci_func *pciehp_slot_find(u8 bus, u8 device, u8 index) ...@@ -1016,7 +1012,7 @@ struct pci_func *pciehp_slot_find(u8 bus, u8 device, u8 index)
dbg("%s: func == NULL\n", __FUNCTION__); dbg("%s: func == NULL\n", __FUNCTION__);
if ((func == NULL) || ((func->device == device) && (index == 0))) if ((func == NULL) || ((func->device == device) && (index == 0)))
return(func); return func;
if (func->device == device) if (func->device == device)
found++; found++;
...@@ -1035,11 +1031,11 @@ struct pci_func *pciehp_slot_find(u8 bus, u8 device, u8 index) ...@@ -1035,11 +1031,11 @@ struct pci_func *pciehp_slot_find(u8 bus, u8 device, u8 index)
if ((found == index) || (func->function == index)) { if ((found == index) || (func->function == index)) {
dbg("%s: Found bus %x dev %x func %x\n", __FUNCTION__, dbg("%s: Found bus %x dev %x func %x\n", __FUNCTION__,
func->bus, func->device, func->function); func->bus, func->device, func->function);
return(func); return func;
} }
} }
return(NULL); return NULL;
} }
static int is_bridge(struct pci_func * func) static int is_bridge(struct pci_func * func)
...@@ -1187,7 +1183,7 @@ static u32 board_added(struct pci_func * func, struct controller * ctrl) ...@@ -1187,7 +1183,7 @@ static u32 board_added(struct pci_func * func, struct controller * ctrl)
/* Done with exclusive hardware access */ /* Done with exclusive hardware access */
up(&ctrl->crit_sect); up(&ctrl->crit_sect);
return(rc); return rc;
} }
pciehp_save_slot_config(ctrl, func); pciehp_save_slot_config(ctrl, func);
...@@ -1251,7 +1247,7 @@ static u32 board_added(struct pci_func * func, struct controller * ctrl) ...@@ -1251,7 +1247,7 @@ static u32 board_added(struct pci_func * func, struct controller * ctrl)
/* Done with exclusive hardware access */ /* Done with exclusive hardware access */
up(&ctrl->crit_sect); up(&ctrl->crit_sect);
return(rc); return rc;
} }
return 0; return 0;
} }
...@@ -1273,10 +1269,10 @@ static u32 remove_board(struct pci_func *func, struct controller *ctrl) ...@@ -1273,10 +1269,10 @@ static u32 remove_board(struct pci_func *func, struct controller *ctrl)
struct slot *p_slot; struct slot *p_slot;
if (func == NULL) if (func == NULL)
return(1); return 1;
if (pciehp_unconfigure_device(func)) if (pciehp_unconfigure_device(func))
return(1); return 1;
device = func->device; device = func->device;
...@@ -1370,7 +1366,7 @@ static u32 remove_board(struct pci_func *func, struct controller *ctrl) ...@@ -1370,7 +1366,7 @@ static u32 remove_board(struct pci_func *func, struct controller *ctrl)
func = pciehp_slot_create(ctrl->slot_bus); func = pciehp_slot_create(ctrl->slot_bus);
if (func == NULL) { if (func == NULL) {
return(1); return 1;
} }
func->bus = ctrl->slot_bus; func->bus = ctrl->slot_bus;
...@@ -1385,7 +1381,7 @@ static u32 remove_board(struct pci_func *func, struct controller *ctrl) ...@@ -1385,7 +1381,7 @@ static u32 remove_board(struct pci_func *func, struct controller *ctrl)
} }
static void pushbutton_helper_thread (unsigned long data) static void pushbutton_helper_thread(unsigned long data)
{ {
pushbutton_pending = data; pushbutton_pending = data;
...@@ -1420,7 +1416,7 @@ static int event_thread(void* data) ...@@ -1420,7 +1416,7 @@ static int event_thread(void* data)
return 0; return 0;
} }
int pciehp_event_start_thread (void) int pciehp_event_start_thread(void)
{ {
int pid; int pid;
...@@ -1440,7 +1436,7 @@ int pciehp_event_start_thread (void) ...@@ -1440,7 +1436,7 @@ int pciehp_event_start_thread (void)
} }
void pciehp_event_stop_thread (void) void pciehp_event_stop_thread(void)
{ {
event_finished = 1; event_finished = 1;
dbg("event_thread finish command given\n"); dbg("event_thread finish command given\n");
...@@ -1450,7 +1446,7 @@ void pciehp_event_stop_thread (void) ...@@ -1450,7 +1446,7 @@ void pciehp_event_stop_thread (void)
} }
static int update_slot_info (struct slot *slot) static int update_slot_info(struct slot *slot)
{ {
struct hotplug_slot_info *info; struct hotplug_slot_info *info;
/* char buffer[SLOT_NAME_SIZE]; */ /* char buffer[SLOT_NAME_SIZE]; */
...@@ -1603,8 +1599,6 @@ static void interrupt_event_handler(struct controller *ctrl) ...@@ -1603,8 +1599,6 @@ static void interrupt_event_handler(struct controller *ctrl)
} }
} /* End of FOR loop */ } /* End of FOR loop */
} }
return;
} }
...@@ -1615,7 +1609,7 @@ static void interrupt_event_handler(struct controller *ctrl) ...@@ -1615,7 +1609,7 @@ static void interrupt_event_handler(struct controller *ctrl)
* Handles all pending events and exits. * Handles all pending events and exits.
* *
*/ */
void pciehp_pushbutton_thread (unsigned long slot) void pciehp_pushbutton_thread(unsigned long slot)
{ {
struct slot *p_slot = (struct slot *) slot; struct slot *p_slot = (struct slot *) slot;
u8 getstatus; u8 getstatus;
...@@ -1683,7 +1677,7 @@ void pciehp_pushbutton_thread (unsigned long slot) ...@@ -1683,7 +1677,7 @@ void pciehp_pushbutton_thread (unsigned long slot)
} }
int pciehp_enable_slot (struct slot *p_slot) int pciehp_enable_slot(struct slot *p_slot)
{ {
u8 getstatus = 0; u8 getstatus = 0;
int rc; int rc;
...@@ -1692,7 +1686,7 @@ int pciehp_enable_slot (struct slot *p_slot) ...@@ -1692,7 +1686,7 @@ int pciehp_enable_slot (struct slot *p_slot)
func = pciehp_slot_find(p_slot->bus, p_slot->device, 0); func = pciehp_slot_find(p_slot->bus, p_slot->device, 0);
if (!func) { if (!func) {
dbg("%s: Error! slot NULL\n", __FUNCTION__); dbg("%s: Error! slot NULL\n", __FUNCTION__);
return (1); return 1;
} }
/* Check to see if (latch closed, card present, power off) */ /* Check to see if (latch closed, card present, power off) */
...@@ -1701,21 +1695,21 @@ int pciehp_enable_slot (struct slot *p_slot) ...@@ -1701,21 +1695,21 @@ int pciehp_enable_slot (struct slot *p_slot)
if (rc || !getstatus) { if (rc || !getstatus) {
info("%s: no adapter on slot(%x)\n", __FUNCTION__, p_slot->number); info("%s: no adapter on slot(%x)\n", __FUNCTION__, p_slot->number);
up(&p_slot->ctrl->crit_sect); up(&p_slot->ctrl->crit_sect);
return (0); return 0;
} }
rc = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus); rc = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
if (rc || getstatus) { if (rc || getstatus) {
info("%s: latch open on slot(%x)\n", __FUNCTION__, p_slot->number); info("%s: latch open on slot(%x)\n", __FUNCTION__, p_slot->number);
up(&p_slot->ctrl->crit_sect); up(&p_slot->ctrl->crit_sect);
return (0); return 0;
} }
rc = p_slot->hpc_ops->get_power_status(p_slot, &getstatus); rc = p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
if (rc || getstatus) { if (rc || getstatus) {
info("%s: already enabled on slot(%x)\n", __FUNCTION__, p_slot->number); info("%s: already enabled on slot(%x)\n", __FUNCTION__, p_slot->number);
up(&p_slot->ctrl->crit_sect); up(&p_slot->ctrl->crit_sect);
return (0); return 0;
} }
up(&p_slot->ctrl->crit_sect); up(&p_slot->ctrl->crit_sect);
...@@ -1723,7 +1717,7 @@ int pciehp_enable_slot (struct slot *p_slot) ...@@ -1723,7 +1717,7 @@ int pciehp_enable_slot (struct slot *p_slot)
func = pciehp_slot_create(p_slot->bus); func = pciehp_slot_create(p_slot->bus);
if (func == NULL) if (func == NULL)
return (1); return 1;
func->bus = p_slot->bus; func->bus = p_slot->bus;
func->device = p_slot->device; func->device = p_slot->device;
...@@ -1746,7 +1740,7 @@ int pciehp_enable_slot (struct slot *p_slot) ...@@ -1746,7 +1740,7 @@ int pciehp_enable_slot (struct slot *p_slot)
/* Setup slot structure with entry for empty slot */ /* Setup slot structure with entry for empty slot */
func = pciehp_slot_create(p_slot->bus); func = pciehp_slot_create(p_slot->bus);
if (func == NULL) if (func == NULL)
return (1); /* Out of memory */ return 1; /* Out of memory */
func->bus = p_slot->bus; func->bus = p_slot->bus;
func->device = p_slot->device; func->device = p_slot->device;
...@@ -1767,7 +1761,7 @@ int pciehp_enable_slot (struct slot *p_slot) ...@@ -1767,7 +1761,7 @@ int pciehp_enable_slot (struct slot *p_slot)
} }
int pciehp_disable_slot (struct slot *p_slot) int pciehp_disable_slot(struct slot *p_slot)
{ {
u8 class_code, header_type, BCR; u8 class_code, header_type, BCR;
u8 index = 0; u8 index = 0;
...@@ -1779,7 +1773,7 @@ int pciehp_disable_slot (struct slot *p_slot) ...@@ -1779,7 +1773,7 @@ int pciehp_disable_slot (struct slot *p_slot)
struct pci_func *func; struct pci_func *func;
if (!p_slot->ctrl) if (!p_slot->ctrl)
return (1); return 1;
/* Check to see if (latch closed, card present, power on) */ /* Check to see if (latch closed, card present, power on) */
down(&p_slot->ctrl->crit_sect); down(&p_slot->ctrl->crit_sect);
...@@ -1788,21 +1782,21 @@ int pciehp_disable_slot (struct slot *p_slot) ...@@ -1788,21 +1782,21 @@ int pciehp_disable_slot (struct slot *p_slot)
if (ret || !getstatus) { if (ret || !getstatus) {
info("%s: no adapter on slot(%x)\n", __FUNCTION__, p_slot->number); info("%s: no adapter on slot(%x)\n", __FUNCTION__, p_slot->number);
up(&p_slot->ctrl->crit_sect); up(&p_slot->ctrl->crit_sect);
return (0); return 0;
} }
ret = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus); ret = p_slot->hpc_ops->get_latch_status(p_slot, &getstatus);
if (ret || getstatus) { if (ret || getstatus) {
info("%s: latch open on slot(%x)\n", __FUNCTION__, p_slot->number); info("%s: latch open on slot(%x)\n", __FUNCTION__, p_slot->number);
up(&p_slot->ctrl->crit_sect); up(&p_slot->ctrl->crit_sect);
return (0); return 0;
} }
ret = p_slot->hpc_ops->get_power_status(p_slot, &getstatus); ret = p_slot->hpc_ops->get_power_status(p_slot, &getstatus);
if (ret || !getstatus) { if (ret || !getstatus) {
info("%s: already disabled slot(%x)\n", __FUNCTION__, p_slot->number); info("%s: already disabled slot(%x)\n", __FUNCTION__, p_slot->number);
up(&p_slot->ctrl->crit_sect); up(&p_slot->ctrl->crit_sect);
return (0); return 0;
} }
up(&p_slot->ctrl->crit_sect); up(&p_slot->ctrl->crit_sect);
...@@ -1854,7 +1848,7 @@ int pciehp_disable_slot (struct slot *p_slot) ...@@ -1854,7 +1848,7 @@ int pciehp_disable_slot (struct slot *p_slot)
if (p_slot) if (p_slot)
update_slot_info(p_slot); update_slot_info(p_slot);
return(rc); return rc;
} }
...@@ -1869,7 +1863,7 @@ int pciehp_disable_slot (struct slot *p_slot) ...@@ -1869,7 +1863,7 @@ int pciehp_disable_slot (struct slot *p_slot)
* Returns 0 if success * Returns 0 if success
* *
*/ */
static u32 configure_new_device (struct controller * ctrl, struct pci_func * func, static u32 configure_new_device(struct controller * ctrl, struct pci_func * func,
u8 behind_bridge, struct resource_lists * resources, u8 bridge_bus, u8 bridge_dev) u8 behind_bridge, struct resource_lists * resources, u8 bridge_bus, u8 bridge_dev)
{ {
u8 temp_byte, function, max_functions, stop_it; u8 temp_byte, function, max_functions, stop_it;
...@@ -1901,20 +1895,23 @@ static u32 configure_new_device (struct controller * ctrl, struct pci_func * fun ...@@ -1901,20 +1895,23 @@ static u32 configure_new_device (struct controller * ctrl, struct pci_func * fun
function = 0; function = 0;
do { do {
rc = configure_new_function(ctrl, new_slot, behind_bridge, resources, bridge_bus, bridge_dev); rc = configure_new_function(ctrl, new_slot, behind_bridge,
resources, bridge_bus, bridge_dev);
if (rc) { if (rc) {
dbg("configure_new_function failed %d\n",rc); dbg("configure_new_function failed: %d\n", rc);
index = 0; index = 0;
while (new_slot) { while (new_slot) {
new_slot = pciehp_slot_find(new_slot->bus, new_slot->device, index++); new_slot = pciehp_slot_find(new_slot->bus,
new_slot->device, index++);
if (new_slot) if (new_slot)
pciehp_return_board_resources(new_slot, resources); pciehp_return_board_resources(new_slot,
resources);
} }
return(rc); return rc;
} }
function++; function++;
...@@ -1936,7 +1933,7 @@ static u32 configure_new_device (struct controller * ctrl, struct pci_func * fun ...@@ -1936,7 +1933,7 @@ static u32 configure_new_device (struct controller * ctrl, struct pci_func * fun
if (new_slot == NULL) { if (new_slot == NULL) {
/* Out of memory */ /* Out of memory */
return(1); return 1;
} }
new_slot->bus = func->bus; new_slot->bus = func->bus;
...@@ -1950,7 +1947,7 @@ static u32 configure_new_device (struct controller * ctrl, struct pci_func * fun ...@@ -1950,7 +1947,7 @@ static u32 configure_new_device (struct controller * ctrl, struct pci_func * fun
} }
} while (function < max_functions); } while (function < max_functions);
dbg("returning from configure_new_device\n"); dbg("returning from %s\n", __FUNCTION__);
return 0; return 0;
} }
...@@ -1974,7 +1971,7 @@ static u32 configure_new_device (struct controller * ctrl, struct pci_func * fun ...@@ -1974,7 +1971,7 @@ static u32 configure_new_device (struct controller * ctrl, struct pci_func * fun
* Returns 0 if success * Returns 0 if success
* *
*/ */
static int configure_new_function (struct controller * ctrl, struct pci_func * func, static int configure_new_function(struct controller * ctrl, struct pci_func * func,
u8 behind_bridge, struct resource_lists *resources, u8 bridge_bus, u8 bridge_dev) u8 behind_bridge, struct resource_lists *resources, u8 bridge_bus, u8 bridge_dev)
{ {
int cloop; int cloop;
...@@ -2122,7 +2119,7 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f ...@@ -2122,7 +2119,7 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
if (hold_p_mem_node) if (hold_p_mem_node)
kfree(hold_p_mem_node); kfree(hold_p_mem_node);
return(1); return 1;
} }
memcpy(hold_bus_node, bus_node, sizeof(struct pci_resource)); memcpy(hold_bus_node, bus_node, sizeof(struct pci_resource));
...@@ -2247,7 +2244,7 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f ...@@ -2247,7 +2244,7 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
return_resource(&(resources->io_head), hold_IO_node); return_resource(&(resources->io_head), hold_IO_node);
return_resource(&(resources->mem_head), hold_mem_node); return_resource(&(resources->mem_head), hold_mem_node);
return_resource(&(resources->p_mem_head), hold_p_mem_node); return_resource(&(resources->p_mem_head), hold_p_mem_node);
return(rc); return rc;
} }
/* save the interrupt routing information */ /* save the interrupt routing information */
...@@ -2476,7 +2473,7 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f ...@@ -2476,7 +2473,7 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
rc = pci_bus_read_config_byte (pci_bus, devfn, 0x0B, &class_code); rc = pci_bus_read_config_byte (pci_bus, devfn, 0x0B, &class_code);
if (class_code == PCI_BASE_CLASS_DISPLAY) if (class_code == PCI_BASE_CLASS_DISPLAY)
return (DEVICE_TYPE_NOT_SUPPORTED); return DEVICE_TYPE_NOT_SUPPORTED;
/* Figure out IO and memory needs */ /* Figure out IO and memory needs */
for (cloop = PCI_BASE_ADDRESS_0; cloop <= PCI_BASE_ADDRESS_5; cloop += 4) { for (cloop = PCI_BASE_ADDRESS_0; cloop <= PCI_BASE_ADDRESS_5; cloop += 4) {
...@@ -2614,7 +2611,7 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f ...@@ -2614,7 +2611,7 @@ static int configure_new_function (struct controller * ctrl, struct pci_func * f
} /* End of Not-A-Bridge else */ } /* End of Not-A-Bridge else */
else { else {
/* It's some strange type of PCI adapter (Cardbus?) */ /* It's some strange type of PCI adapter (Cardbus?) */
return(DEVICE_TYPE_NOT_SUPPORTED); return DEVICE_TYPE_NOT_SUPPORTED;
} }
func->configured = 1; func->configured = 1;
......
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