static void __exit vme_exit(void);
static int __init vme_init(void);
-
-/*
- * Find the bridge resource associated with a specific device resource
- */
-static struct vme_bridge *dev_to_bridge(struct device *dev)
+static struct vme_dev *dev_to_vme_dev(struct device *dev)
{
- return dev->platform_data;
+ return container_of(dev, struct vme_dev, dev);
}
/*
* Request a slave image with specific attributes, return some unique
* identifier.
*/
-struct vme_resource *vme_slave_request(struct device *dev,
+struct vme_resource *vme_slave_request(struct vme_dev *vdev,
vme_address_t address, vme_cycle_t cycle)
{
struct vme_bridge *bridge;
struct vme_slave_resource *slave_image = NULL;
struct vme_resource *resource = NULL;
- bridge = dev_to_bridge(dev);
+ bridge = vdev->bridge;
if (bridge == NULL) {
printk(KERN_ERR "Can't find VME bus\n");
goto err_bus;
* Request a master image with specific attributes, return some unique
* identifier.
*/
-struct vme_resource *vme_master_request(struct device *dev,
+struct vme_resource *vme_master_request(struct vme_dev *vdev,
vme_address_t address, vme_cycle_t cycle, vme_width_t dwidth)
{
struct vme_bridge *bridge;
struct vme_master_resource *master_image = NULL;
struct vme_resource *resource = NULL;
- bridge = dev_to_bridge(dev);
+ bridge = vdev->bridge;
if (bridge == NULL) {
printk(KERN_ERR "Can't find VME bus\n");
goto err_bus;
* Request a DMA controller with specific attributes, return some unique
* identifier.
*/
-struct vme_resource *vme_dma_request(struct device *dev, vme_dma_route_t route)
+struct vme_resource *vme_dma_request(struct vme_dev *vdev,
+ vme_dma_route_t route)
{
struct vme_bridge *bridge;
struct list_head *dma_pos = NULL;
/* XXX Not checking resource attributes */
printk(KERN_ERR "No VME resource Attribute tests done\n");
- bridge = dev_to_bridge(dev);
+ bridge = vdev->bridge;
if (bridge == NULL) {
printk(KERN_ERR "Can't find VME bus\n");
goto err_bus;
}
EXPORT_SYMBOL(vme_irq_handler);
-int vme_irq_request(struct device *dev, int level, int statid,
+int vme_irq_request(struct vme_dev *vdev, int level, int statid,
void (*callback)(int, int, void *),
void *priv_data)
{
struct vme_bridge *bridge;
- bridge = dev_to_bridge(dev);
+ bridge = vdev->bridge;
if (bridge == NULL) {
printk(KERN_ERR "Can't find VME bus\n");
return -EINVAL;
}
EXPORT_SYMBOL(vme_irq_request);
-void vme_irq_free(struct device *dev, int level, int statid)
+void vme_irq_free(struct vme_dev *vdev, int level, int statid)
{
struct vme_bridge *bridge;
- bridge = dev_to_bridge(dev);
+ bridge = vdev->bridge;
if (bridge == NULL) {
printk(KERN_ERR "Can't find VME bus\n");
return;
}
EXPORT_SYMBOL(vme_irq_free);
-int vme_irq_generate(struct device *dev, int level, int statid)
+int vme_irq_generate(struct vme_dev *vdev, int level, int statid)
{
struct vme_bridge *bridge;
- bridge = dev_to_bridge(dev);
+ bridge = vdev->bridge;
if (bridge == NULL) {
printk(KERN_ERR "Can't find VME bus\n");
return -EINVAL;
/*
* Request the location monitor, return resource or NULL
*/
-struct vme_resource *vme_lm_request(struct device *dev)
+struct vme_resource *vme_lm_request(struct vme_dev *vdev)
{
struct vme_bridge *bridge;
struct list_head *lm_pos = NULL;
struct vme_lm_resource *lm = NULL;
struct vme_resource *resource = NULL;
- bridge = dev_to_bridge(dev);
+ bridge = vdev->bridge;
if (bridge == NULL) {
printk(KERN_ERR "Can't find VME bus\n");
goto err_bus;
}
EXPORT_SYMBOL(vme_lm_free);
-int vme_slot_get(struct device *bus)
+int vme_slot_get(struct vme_dev *vdev)
{
struct vme_bridge *bridge;
- bridge = dev_to_bridge(bus);
+ bridge = vdev->bridge;
if (bridge == NULL) {
printk(KERN_ERR "Can't find VME bus\n");
return -EINVAL;
static void vme_dev_release(struct device *dev)
{
- kfree(dev);
+ kfree(dev_to_vme_dev(dev));
}
int vme_register_bridge(struct vme_bridge *bridge)
{
- struct device *dev;
+ struct vme_dev *vdev;
int retval;
int i;
* specification.
*/
for (i = 0; i < VME_SLOTS_MAX; i++) {
- bridge->dev[i] = kzalloc(sizeof(struct device), GFP_KERNEL);
+ bridge->dev[i] = kzalloc(sizeof(struct vme_dev), GFP_KERNEL);
if (!bridge->dev[i]) {
retval = -ENOMEM;
goto err_devalloc;
}
- dev = bridge->dev[i];
- memset(dev, 0, sizeof(struct device));
-
- dev->parent = bridge->parent;
- dev->bus = &vme_bus_type;
- dev->release = vme_dev_release;
+ vdev = bridge->dev[i];
+ memset(vdev, 0, sizeof(struct vme_dev));
+
+ vdev->id.bus = bridge->num;
+ vdev->id.slot = i + 1;
+ vdev->bridge = bridge;
+ vdev->dev.parent = bridge->parent;
+ vdev->dev.bus = &vme_bus_type;
+ vdev->dev.release = vme_dev_release;
/*
* We save a pointer to the bridge in platform_data so that we
* can get to it later. We keep driver_data for use by the
* driver that binds against the slot
*/
- dev->platform_data = bridge;
- dev_set_name(dev, "vme-%x.%x", bridge->num, i + 1);
+ vdev->dev.platform_data = bridge;
+ dev_set_name(&vdev->dev, "vme-%x.%x", bridge->num, i + 1);
- retval = device_register(dev);
+ retval = device_register(&vdev->dev);
if (retval)
goto err_reg;
}
return retval;
err_reg:
- kfree(dev);
+ kfree(vdev);
err_devalloc:
while (--i >= 0) {
- dev = bridge->dev[i];
- device_unregister(dev);
+ vdev = bridge->dev[i];
+ device_unregister(&vdev->dev);
}
vme_remove_bus(bridge);
return retval;
void vme_unregister_bridge(struct vme_bridge *bridge)
{
int i;
- struct device *dev;
+ struct vme_dev *vdev;
for (i = 0; i < VME_SLOTS_MAX; i++) {
- dev = bridge->dev[i];
- device_unregister(dev);
+ vdev = bridge->dev[i];
+ device_unregister(&vdev->dev);
}
vme_remove_bus(bridge);
}
/* - Bus Registration ------------------------------------------------------ */
-static int vme_calc_slot(struct device *dev)
-{
- struct vme_bridge *bridge;
- int num;
-
- bridge = dev_to_bridge(dev);
-
- /* Determine slot number */
- num = 0;
- while (num < VME_SLOTS_MAX) {
- if (bridge->dev[num] == dev)
- break;
-
- num++;
- }
- if (num == VME_SLOTS_MAX) {
- dev_err(dev, "Failed to identify slot\n");
- num = 0;
- goto err_dev;
- }
- num++;
-
-err_dev:
- return num;
-}
-
static struct vme_driver *dev_to_vme_driver(struct device *dev)
{
if (dev->driver == NULL)
static int vme_bus_match(struct device *dev, struct device_driver *drv)
{
+ struct vme_dev *vdev;
struct vme_bridge *bridge;
struct vme_driver *driver;
int i, num;
- bridge = dev_to_bridge(dev);
+ vdev = dev_to_vme_dev(dev);
+ bridge = vdev->bridge;
driver = container_of(drv, struct vme_driver, driver);
- num = vme_calc_slot(dev);
- if (!num)
+ num = vdev->id.slot;
+ if (num <= 0 || num >= VME_SLOTS_MAX)
goto err_dev;
if (driver->bind_table == NULL) {
return 1;
if ((driver->bind_table[i].slot == VME_SLOT_CURRENT) &&
- (num == vme_slot_get(dev)))
+ (num == vme_slot_get(vdev)))
return 1;
}
i++;
static int vme_bus_probe(struct device *dev)
{
- struct vme_bridge *bridge;
struct vme_driver *driver;
+ struct vme_dev *vdev;
int retval = -ENODEV;
driver = dev_to_vme_driver(dev);
- bridge = dev_to_bridge(dev);
+ vdev = dev_to_vme_dev(dev);
if (driver->probe != NULL)
- retval = driver->probe(dev, bridge->num, vme_calc_slot(dev));
+ retval = driver->probe(vdev);
return retval;
}
static int vme_bus_remove(struct device *dev)
{
- struct vme_bridge *bridge;
struct vme_driver *driver;
+ struct vme_dev *vdev;
int retval = -ENODEV;
driver = dev_to_vme_driver(dev);
- bridge = dev_to_bridge(dev);
+ vdev = dev_to_vme_dev(dev);
if (driver->remove != NULL)
- retval = driver->remove(dev, bridge->num, vme_calc_slot(dev));
+ retval = driver->remove(vdev);
return retval;
}
projects / linux-2.6-block.git / blobdiff