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path: root/drivers/pnp/manager.c
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Diffstat (limited to 'drivers/pnp/manager.c')
-rw-r--r--drivers/pnp/manager.c24
1 files changed, 6 insertions, 18 deletions
diff --git a/drivers/pnp/manager.c b/drivers/pnp/manager.c
index 17c95188bd1..3bda513a6bd 100644
--- a/drivers/pnp/manager.c
+++ b/drivers/pnp/manager.c
@@ -3,7 +3,6 @@
*
* based on isapnp.c resource management (c) Jaroslav Kysela <perex@suse.cz>
* Copyright 2003 Adam Belay <ambx1@neo.rr.com>
- *
*/
#include <linux/errno.h>
@@ -222,11 +221,11 @@ static int pnp_assign_dma(struct pnp_dev *dev, struct pnp_dma *rule, int idx)
/**
* pnp_init_resources - Resets a resource table to default values.
* @table: pointer to the desired resource table
- *
*/
void pnp_init_resource_table(struct pnp_resource_table *table)
{
int idx;
+
for (idx = 0; idx < PNP_MAX_IRQ; idx++) {
table->irq_resource[idx].name = NULL;
table->irq_resource[idx].start = -1;
@@ -260,11 +259,11 @@ void pnp_init_resource_table(struct pnp_resource_table *table)
/**
* pnp_clean_resources - clears resources that were not manually set
* @res: the resources to clean
- *
*/
static void pnp_clean_resource_table(struct pnp_resource_table *res)
{
int idx;
+
for (idx = 0; idx < PNP_MAX_IRQ; idx++) {
if (!(res->irq_resource[idx].flags & IORESOURCE_AUTO))
continue;
@@ -410,6 +409,7 @@ int pnp_manual_config_dev(struct pnp_dev *dev, struct pnp_resource_table *res,
{
int i;
struct pnp_resource_table *bak;
+
if (!dev || !res)
return -EINVAL;
if (!pnp_can_configure(dev))
@@ -454,7 +454,6 @@ int pnp_manual_config_dev(struct pnp_dev *dev, struct pnp_resource_table *res,
/**
* pnp_auto_config_dev - automatically assigns resources to a device
* @dev: pointer to the desired device
- *
*/
int pnp_auto_config_dev(struct pnp_dev *dev)
{
@@ -491,9 +490,8 @@ int pnp_auto_config_dev(struct pnp_dev *dev)
* pnp_start_dev - low-level start of the PnP device
* @dev: pointer to the desired device
*
- * assumes that resources have alread been allocated
+ * assumes that resources have already been allocated
*/
-
int pnp_start_dev(struct pnp_dev *dev)
{
if (!pnp_can_write(dev)) {
@@ -508,7 +506,6 @@ int pnp_start_dev(struct pnp_dev *dev)
}
pnp_info("Device %s activated.", dev->dev.bus_id);
-
return 0;
}
@@ -518,7 +515,6 @@ int pnp_start_dev(struct pnp_dev *dev)
*
* does not free resources
*/
-
int pnp_stop_dev(struct pnp_dev *dev)
{
if (!pnp_can_disable(dev)) {
@@ -532,7 +528,6 @@ int pnp_stop_dev(struct pnp_dev *dev)
}
pnp_info("Device %s disabled.", dev->dev.bus_id);
-
return 0;
}
@@ -548,9 +543,8 @@ int pnp_activate_dev(struct pnp_dev *dev)
if (!dev)
return -EINVAL;
- if (dev->active) {
+ if (dev->active)
return 0; /* the device is already active */
- }
/* ensure resources are allocated */
if (pnp_auto_config_dev(dev))
@@ -561,7 +555,6 @@ int pnp_activate_dev(struct pnp_dev *dev)
return error;
dev->active = 1;
-
return 1;
}
@@ -577,9 +570,8 @@ int pnp_disable_dev(struct pnp_dev *dev)
if (!dev)
return -EINVAL;
- if (!dev->active) {
+ if (!dev->active)
return 0; /* the device is already disabled */
- }
error = pnp_stop_dev(dev);
if (error)
@@ -600,7 +592,6 @@ int pnp_disable_dev(struct pnp_dev *dev)
* @resource: pointer to resource to be changed
* @start: start of region
* @size: size of region
- *
*/
void pnp_resource_change(struct resource *resource, resource_size_t start,
resource_size_t size)
@@ -613,9 +604,6 @@ void pnp_resource_change(struct resource *resource, resource_size_t start,
}
EXPORT_SYMBOL(pnp_manual_config_dev);
-#if 0
-EXPORT_SYMBOL(pnp_auto_config_dev);
-#endif
EXPORT_SYMBOL(pnp_start_dev);
EXPORT_SYMBOL(pnp_stop_dev);
EXPORT_SYMBOL(pnp_activate_dev);