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ACPI: pci_link: clean up whitespace
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This patch makes whitespace and indentation more consistent.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Bjorn Helgaas authored and Len Brown committed Mar 17, 2009
1 parent c15d8a6 commit 1c9ca3a
Showing 1 changed file with 27 additions and 46 deletions.
73 changes: 27 additions & 46 deletions drivers/acpi/pci_link.c
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Original file line number Diff line number Diff line change
Expand Up @@ -43,13 +43,14 @@
#include <acpi/acpi_bus.h>
#include <acpi/acpi_drivers.h>

#define _COMPONENT ACPI_PCI_COMPONENT
#define _COMPONENT ACPI_PCI_COMPONENT
ACPI_MODULE_NAME("pci_link");
#define ACPI_PCI_LINK_CLASS "pci_irq_routing"
#define ACPI_PCI_LINK_DEVICE_NAME "PCI Interrupt Link"
#define ACPI_PCI_LINK_FILE_INFO "info"
#define ACPI_PCI_LINK_FILE_STATUS "state"
#define ACPI_PCI_LINK_MAX_POSSIBLE 16
#define ACPI_PCI_LINK_MAX_POSSIBLE 16

static int acpi_pci_link_add(struct acpi_device *device);
static int acpi_pci_link_remove(struct acpi_device *device, int type);

Expand All @@ -66,7 +67,7 @@ static struct acpi_driver acpi_pci_link_driver = {
.ops = {
.add = acpi_pci_link_add,
.remove = acpi_pci_link_remove,
},
},
};

/*
Expand All @@ -76,7 +77,7 @@ static struct acpi_driver acpi_pci_link_driver = {
struct acpi_pci_link_irq {
u8 active; /* Current IRQ */
u8 triggering; /* All IRQs */
u8 polarity; /* All IRQs */
u8 polarity; /* All IRQs */
u8 resource_type;
u8 possible_count;
u8 possible[ACPI_PCI_LINK_MAX_POSSIBLE];
Expand All @@ -85,15 +86,15 @@ struct acpi_pci_link_irq {
};

struct acpi_pci_link {
struct list_head node;
struct acpi_device *device;
struct acpi_pci_link_irq irq;
int refcnt;
struct list_head node;
struct acpi_device *device;
struct acpi_pci_link_irq irq;
int refcnt;
};

static struct {
int count;
struct list_head entries;
int count;
struct list_head entries;
} acpi_link;
static DEFINE_MUTEX(acpi_link_lock);

Expand All @@ -104,13 +105,12 @@ static DEFINE_MUTEX(acpi_link_lock);
/*
* set context (link) possible list from resource list
*/
static acpi_status
acpi_pci_link_check_possible(struct acpi_resource *resource, void *context)
static acpi_status acpi_pci_link_check_possible(struct acpi_resource *resource,
void *context)
{
struct acpi_pci_link *link = context;
u32 i = 0;


switch (resource->type) {
case ACPI_RESOURCE_TYPE_START_DEPENDENT:
case ACPI_RESOURCE_TYPE_END_TAG:
Expand Down Expand Up @@ -179,7 +179,6 @@ static int acpi_pci_link_get_possible(struct acpi_pci_link *link)
{
acpi_status status;


if (!link)
return -EINVAL;

Expand All @@ -197,12 +196,11 @@ static int acpi_pci_link_get_possible(struct acpi_pci_link *link)
return 0;
}

static acpi_status
acpi_pci_link_check_current(struct acpi_resource *resource, void *context)
static acpi_status acpi_pci_link_check_current(struct acpi_resource *resource,
void *context)
{
int *irq = (int *)context;


switch (resource->type) {
case ACPI_RESOURCE_TYPE_START_DEPENDENT:
case ACPI_RESOURCE_TYPE_END_TAG:
Expand Down Expand Up @@ -316,7 +314,6 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq)
} *resource;
struct acpi_buffer buffer = { 0, NULL };


if (!link || !irq)
return -EINVAL;

Expand Down Expand Up @@ -479,10 +476,10 @@ static int acpi_irq_penalty[ACPI_MAX_IRQS] = {
PIRQ_PENALTY_PCI_AVAILABLE, /* IRQ9 PCI, often acpi */
PIRQ_PENALTY_PCI_AVAILABLE, /* IRQ10 PCI */
PIRQ_PENALTY_PCI_AVAILABLE, /* IRQ11 PCI */
PIRQ_PENALTY_ISA_USED, /* IRQ12 mouse */
PIRQ_PENALTY_ISA_USED, /* IRQ13 fpe, sometimes */
PIRQ_PENALTY_ISA_USED, /* IRQ14 ide0 */
PIRQ_PENALTY_ISA_USED, /* IRQ15 ide1 */
PIRQ_PENALTY_ISA_USED, /* IRQ12 mouse */
PIRQ_PENALTY_ISA_USED, /* IRQ13 fpe, sometimes */
PIRQ_PENALTY_ISA_USED, /* IRQ14 ide0 */
PIRQ_PENALTY_ISA_USED, /* IRQ15 ide1 */
/* >IRQ15 */
};

Expand All @@ -492,12 +489,10 @@ int __init acpi_irq_penalty_init(void)
struct acpi_pci_link *link = NULL;
int i = 0;


/*
* Update penalties to facilitate IRQ balancing.
*/
list_for_each(node, &acpi_link.entries) {

link = list_entry(node, struct acpi_pci_link, node);
if (!link) {
printk(KERN_ERR PREFIX "Invalid link context\n");
Expand Down Expand Up @@ -527,7 +522,6 @@ int __init acpi_irq_penalty_init(void)
}
/* Add a penalty for the SCI */
acpi_irq_penalty[acpi_gbl_FADT.sci_interrupt] += PIRQ_PENALTY_PCI_USING;

return 0;
}

Expand All @@ -538,7 +532,6 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link)
int irq;
int i;


if (link->irq.initialized) {
if (link->refcnt == 0)
/* This means the link is disabled but initialized */
Expand Down Expand Up @@ -566,11 +559,10 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link)
/*
* if active found, use it; else pick entry from end of possible list.
*/
if (link->irq.active) {
if (link->irq.active)
irq = link->irq.active;
} else {
else
irq = link->irq.possible[link->irq.possible_count - 1];
}

if (acpi_irq_balance || !link->irq.active) {
/*
Expand Down Expand Up @@ -599,7 +591,6 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link)
}

link->irq.initialized = 1;

return 0;
}

Expand All @@ -608,17 +599,13 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link)
* success: return IRQ >= 0
* failure: return -1
*/

int
acpi_pci_link_allocate_irq(acpi_handle handle,
int index,
int *triggering, int *polarity, char **name)
int acpi_pci_link_allocate_irq(acpi_handle handle, int index, int *triggering,
int *polarity, char **name)
{
int result = 0;
struct acpi_device *device = NULL;
struct acpi_pci_link *link = NULL;


result = acpi_bus_get_device(handle, &device);
if (result) {
printk(KERN_ERR PREFIX "Invalid link device\n");
Expand Down Expand Up @@ -673,7 +660,6 @@ int acpi_pci_link_free_irq(acpi_handle handle)
struct acpi_pci_link *link = NULL;
acpi_status result;


result = acpi_bus_get_device(handle, &device);
if (result) {
printk(KERN_ERR PREFIX "Invalid link device\n");
Expand Down Expand Up @@ -708,9 +694,9 @@ int acpi_pci_link_free_irq(acpi_handle handle)
"Link %s is dereferenced\n",
acpi_device_bid(link->device)));

if (link->refcnt == 0) {
if (link->refcnt == 0)
acpi_evaluate_object(link->device->handle, "_DIS", NULL, NULL);
}

mutex_unlock(&acpi_link_lock);
return (link->irq.active);
}
Expand All @@ -726,7 +712,6 @@ static int acpi_pci_link_add(struct acpi_device *device)
int i = 0;
int found = 0;


if (!device)
return -EINVAL;

Expand Down Expand Up @@ -784,11 +769,10 @@ static int acpi_pci_link_add(struct acpi_device *device)

static int acpi_pci_link_resume(struct acpi_pci_link *link)
{

if (link->refcnt && link->irq.active && link->irq.initialized)
return (acpi_pci_link_set(link, link->irq.active));
else
return 0;

return 0;
}

static int irqrouter_resume(struct sys_device *dev)
Expand All @@ -811,7 +795,6 @@ static int acpi_pci_link_remove(struct acpi_device *device, int type)
{
struct acpi_pci_link *link = NULL;


if (!device || !acpi_driver_data(device))
return -EINVAL;

Expand All @@ -822,7 +805,6 @@ static int acpi_pci_link_remove(struct acpi_device *device, int type)
mutex_unlock(&acpi_link_lock);

kfree(link);

return 0;
}

Expand Down Expand Up @@ -931,7 +913,6 @@ static int __init irqrouter_init_sysfs(void)
{
int error;


if (acpi_disabled || acpi_noirq)
return 0;

Expand Down

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