Fix the warnings reported in functions documentation when compiling with W=1
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxxxxx>
---
drivers/gpu/drm/drm_agpsupport.c | 111 ++++++++++++++++---------------
1 file changed, 59 insertions(+), 52 deletions(-)
diff --git a/drivers/gpu/drm/drm_agpsupport.c b/drivers/gpu/drm/drm_agpsupport.c
index 4c7ad46fdd21..db610db9303c 100644
--- a/drivers/gpu/drm/drm_agpsupport.c
+++ b/drivers/gpu/drm/drm_agpsupport.c
@@ -46,16 +46,16 @@
#include "drm_legacy.h"
/**
- * Get AGP information.
+ * drm_agp_info - Get AGP information.
*
- * \param inode device inode.
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg pointer to a (output) drm_agp_info structure.
- * \return zero on success or a negative number on failure.
+ * @dev: DRM device
+ * @info: drm_agp_info structure to be fill
*
* Verifies the AGP device has been initialized and acquired and fills in the
* drm_agp_info structure with the information in drm_agp_head::agp_info.
+ *
+ * Returns:
+ * zero on success or a negative number on failure.
*/
int drm_agp_info(struct drm_device *dev, struct drm_agp_info *info)
{
@@ -93,13 +93,15 @@ int drm_agp_info_ioctl(struct drm_device *dev, void *data,
}
/**
- * Acquire the AGP device.
+ * drm_agp_acquire - Acquire the AGP device.
*
- * \param dev DRM device that is to acquire AGP.
- * \return zero on success or a negative number on failure.
+ * @dev: DRM device that is to acquire AGP.
*
* Verifies the AGP device hasn't been acquired before and calls
* \c agp_backend_acquire.
+ *
+ * Returns:
+ * zero on success or a negative number on failure.
*/
int drm_agp_acquire(struct drm_device *dev)
{
@@ -116,16 +118,17 @@ int drm_agp_acquire(struct drm_device *dev)
EXPORT_SYMBOL(drm_agp_acquire);
/**
- * Acquire the AGP device (ioctl).
+ * drm_agp_acquire_ioctl - Acquire the AGP device (ioctl).
*
- * \param inode device inode.
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg user argument.
- * \return zero on success or a negative number on failure.
+ * @dev: DRM device
+ * @data: private data
+ * @file_priv: DRM file private.
*
* Verifies the AGP device hasn't been acquired before and calls
* \c agp_backend_acquire.
+ *
+ * Returns:
+ * zero on success or a negative number on failure.
*/
int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
@@ -134,12 +137,14 @@ int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
}
/**
- * Release the AGP device.
+ * drm_agp_release - Release the AGP device.
*
- * \param dev DRM device that is to release AGP.
- * \return zero on success or a negative number on failure.
+ * @dev: DRM device that is to release AGP.
*
* Verifies the AGP device has been acquired and calls \c agp_backend_release.
+ *
+ * Returns:
+ * zero on success or a negative number on failure.
*/
int drm_agp_release(struct drm_device *dev)
{
@@ -158,14 +163,16 @@ int drm_agp_release_ioctl(struct drm_device *dev, void *data,
}
/**
- * Enable the AGP bus.
+ * drm_agp_enable - Enable the AGP bus.
*
- * \param dev DRM device that has previously acquired AGP.
- * \param mode Requested AGP mode.
- * \return zero on success or a negative number on failure.
+ * @dev: DRM device that has previously acquired AGP.
+ * @mode: Requested AGP mode.
*
* Verifies the AGP device has been acquired but not enabled, and calls
* \c agp_enable.
+ *
+ * Returns:
+ * zero on success or a negative number on failure.
*/
int drm_agp_enable(struct drm_device *dev, struct drm_agp_mode mode)
{
@@ -188,16 +195,16 @@ int drm_agp_enable_ioctl(struct drm_device *dev, void *data,
}
/**
- * Allocate AGP memory.
+ * drm_agp_alloc - Allocate AGP memory.
*
- * \param inode device inode.
- * \param file_priv file private pointer.
- * \param cmd command.
- * \param arg pointer to a drm_agp_buffer structure.
- * \return zero on success or a negative number on failure.
+ * @dev: DRM device
+ * @request: memory allocation request
*
* Verifies the AGP device is present and has been acquired, allocates the
* memory via agp_allocate_memory() and creates a drm_agp_mem entry for it.
+ *
+ * Returns:
+ * zero on success or a negative number on failure.
*/
int drm_agp_alloc(struct drm_device *dev, struct drm_agp_buffer *request)
{
@@ -243,13 +250,14 @@ int drm_agp_alloc_ioctl(struct drm_device *dev, void *data,
}
/**
- * Search for the AGP memory entry associated with a handle.
+ * drm_agp_lookup_entry - Search for the AGP memory entry associated with a handle.
*
- * \param dev DRM device structure.
- * \param handle AGP memory handle.
- * \return pointer to the drm_agp_mem structure associated with \p handle.
+ * @dev: DRM device structure.
+ * @handle: AGP memory handle.
*
* Walks through drm_agp_head::memory until finding a matching handle.
+ *
+ * Returns: pointer to the drm_agp_mem structure associated with \p handle.
*/
static struct drm_agp_mem *drm_agp_lookup_entry(struct drm_device *dev,
unsigned long handle)
@@ -264,16 +272,15 @@ static struct drm_agp_mem *drm_agp_lookup_entry(struct drm_device *dev,
}
/**
- * Unbind AGP memory from the GATT (ioctl).
+ * drm_agp_unbind - Unbind AGP memory from the GATT (ioctl).
*
- * \param inode device inode.
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg pointer to a drm_agp_binding structure.
- * \return zero on success or a negative number on failure.
+ * @dev: DRM device structure.
+ * @request: binding request
*
* Verifies the AGP device is present and acquired, looks-up the AGP memory
* entry and passes it to the unbind_agp() function.
+ *
+ * Returns: zero on success or a negative number on failure.
*/
int drm_agp_unbind(struct drm_device *dev, struct drm_agp_binding *request)
{
@@ -302,17 +309,16 @@ int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
}
/**
- * Bind AGP memory into the GATT (ioctl)
+ * drm_agp_bind- Bind AGP memory into the GATT (ioctl)
*
- * \param inode device inode.
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg pointer to a drm_agp_binding structure.
- * \return zero on success or a negative number on failure.
+ * @dev: DRM device structure.
+ * @request: binding request
*
* Verifies the AGP device is present and has been acquired and that no memory
* is currently bound into the GATT. Looks-up the AGP memory entry and passes
* it to bind_agp() function.
+ *
+ * Returns: zero on success or a negative number on failure.
*/
int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request)
{
@@ -346,18 +352,17 @@ int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
}
/**
- * Free AGP memory (ioctl).
+ * drm_agp_free - Free AGP memory (ioctl).
*
- * \param inode device inode.
- * \param file_priv DRM file private.
- * \param cmd command.
- * \param arg pointer to a drm_agp_buffer structure.
- * \return zero on success or a negative number on failure.
+ * @dev: DRM device structure.
+ * @request: memory request to be released
*
* Verifies the AGP device is present and has been acquired and looks up the
* AGP memory entry. If the memory is currently bound, unbind it via
* unbind_agp(). Frees it via free_agp() as well as the entry itself
* and unlinks from the doubly linked list it's inserted in.
+ *
+ * Returns: zero on success or a negative number on failure.
*/
int drm_agp_free(struct drm_device *dev, struct drm_agp_buffer *request)
{
@@ -389,9 +394,9 @@ int drm_agp_free_ioctl(struct drm_device *dev, void *data,
}
/**
- * Initialize the AGP resources.
+ * drm_agp_init - Initialize the AGP resources.
*
- * \return pointer to a drm_agp_head structure.
+ * @dev: DRM device structure.
*
* Gets the drm_agp_t structure which is made available by the agpgart module
* via the inter_module_* functions. Creates and initializes a drm_agp_head
@@ -399,6 +404,8 @@ int drm_agp_free_ioctl(struct drm_device *dev, void *data,
*
* Note that final cleanup of the kmalloced structure is directly done in
* drm_pci_agp_destroy.
+ *
+ * Returns: pointer to a drm_agp_head structure.
*/
struct drm_agp_head *drm_agp_init(struct drm_device *dev)
{
--
2.25.1
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