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Diffstat (limited to 'include/linux/ipack.h')
-rw-r--r--include/linux/ipack.h23
1 files changed, 15 insertions, 8 deletions
diff --git a/include/linux/ipack.h b/include/linux/ipack.h
index 2c6936b8371f..455f6c2a1903 100644
--- a/include/linux/ipack.h
+++ b/include/linux/ipack.h
@@ -70,15 +70,13 @@ enum ipack_space {
IPACK_SPACE_COUNT,
};
-/**
- */
struct ipack_region {
phys_addr_t start;
size_t size;
};
/**
- * struct ipack_device
+ * struct ipack_device - subsystem representation of an IPack device
*
* @slot: Slot where the device is plugged in the carrier board
* @bus: ipack_bus_device where the device is plugged to.
@@ -89,7 +87,7 @@ struct ipack_region {
*
* Warning: Direct access to mapped memory is possible but the endianness
* is not the same with PCI carrier or VME carrier. The endianness is managed
- * by the carrier board throught bus->ops.
+ * by the carrier board through bus->ops.
*/
struct ipack_device {
unsigned int slot;
@@ -124,6 +122,7 @@ struct ipack_driver_ops {
* struct ipack_driver -- Specific data to each ipack device driver
*
* @driver: Device driver kernel representation
+ * @id_table: Device ID table for this driver
* @ops: Callbacks provided by the IPack device driver
*/
struct ipack_driver {
@@ -161,7 +160,7 @@ struct ipack_bus_ops {
};
/**
- * struct ipack_bus_device
+ * struct ipack_bus_device - IPack bus representation
*
* @dev: pointer to carrier device
* @slots: number of slots available
@@ -185,6 +184,8 @@ struct ipack_bus_device {
*
* The carrier board device should call this function to register itself as
* available bus device in ipack.
+ *
+ * Return: %NULL on error or &struct ipack_bus_device on success
*/
struct ipack_bus_device *ipack_bus_register(struct device *parent, int slots,
const struct ipack_bus_ops *ops,
@@ -192,6 +193,8 @@ struct ipack_bus_device *ipack_bus_register(struct device *parent, int slots,
/**
* ipack_bus_unregister -- unregister an ipack bus
+ *
+ * Return: %0
*/
int ipack_bus_unregister(struct ipack_bus_device *bus);
@@ -200,6 +203,8 @@ int ipack_bus_unregister(struct ipack_bus_device *bus);
*
* Called by a ipack driver to register itself as a driver
* that can manage ipack devices.
+ *
+ * Return: zero on success or error code on failure.
*/
int ipack_driver_register(struct ipack_driver *edrv, struct module *owner,
const char *name);
@@ -215,7 +220,7 @@ void ipack_driver_unregister(struct ipack_driver *edrv);
* function. The rest of the fields will be allocated and populated
* during initalization.
*
- * Return zero on success or error code on failure.
+ * Return: zero on success or error code on failure.
*
* NOTE: _Never_ directly free @dev after calling this function, even
* if it returned an error! Always use ipack_put_device() to give up the
@@ -230,7 +235,7 @@ int ipack_device_init(struct ipack_device *dev);
* Add a new IPack device. The call is done by the carrier driver
* after calling ipack_device_init().
*
- * Return zero on success or error code on failure.
+ * Return: zero on success or error code on failure.
*
* NOTE: _Never_ directly free @dev after calling this function, even
* if it returned an error! Always use ipack_put_device() to give up the
@@ -266,9 +271,11 @@ void ipack_put_device(struct ipack_device *dev);
.device = (dev)
/**
- * ipack_get_carrier - it increase the carrier ref. counter of
+ * ipack_get_carrier - try to increase the carrier ref. counter of
* the carrier module
* @dev: mezzanine device which wants to get the carrier
+ *
+ * Return: true on success.
*/
static inline int ipack_get_carrier(struct ipack_device *dev)
{