dm: core: Tidy up devres comments
Adjust the devres comments to be consistent with the rest of the file, and add one for the struct udevice member. Also rename the 'p' parameter to 'ptr' to avoid single-character names. Signed-off-by: Simon Glass <sjg@chromium.org>
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Simon Glass
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fb04c9d7b8
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@ -78,6 +78,10 @@ struct driver_info;
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* @req_seq: Requested sequence number for this device (-1 = any)
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* @seq: Allocated sequence number for this device (-1 = none). This is set up
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* when the device is probed and will be unique within the device's uclass.
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* @devres_head: List of memory allocations associated with this device.
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* When CONFIG_DEVRES is enabled, devm_kmalloc() and friends will
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* add to this list. Memory so-allocated will be freed
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* automatically when the device is removed / unbound
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*/
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struct udevice {
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const struct driver *driver;
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@ -512,7 +516,7 @@ void *_devres_alloc(dr_release_t release, size_t size, gfp_t gfp);
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#endif
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/**
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* devres_alloc - Allocate device resource data
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* devres_alloc() - Allocate device resource data
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* @release: Release function devres will be associated with
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* @size: Allocation size
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* @gfp: Allocation flags
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@ -528,7 +532,7 @@ void *_devres_alloc(dr_release_t release, size_t size, gfp_t gfp);
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_devres_alloc(release, size, gfp | __GFP_ZERO)
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/**
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* devres_free - Free device resource data
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* devres_free() - Free device resource data
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* @res: Pointer to devres data to free
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*
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* Free devres created with devres_alloc().
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@ -536,7 +540,7 @@ void *_devres_alloc(dr_release_t release, size_t size, gfp_t gfp);
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void devres_free(void *res);
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/**
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* devres_add - Register device resource
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* devres_add() - Register device resource
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* @dev: Device to add resource to
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* @res: Resource to register
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*
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@ -547,7 +551,7 @@ void devres_free(void *res);
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void devres_add(struct udevice *dev, void *res);
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/**
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* devres_find - Find device resource
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* devres_find() - Find device resource
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* @dev: Device to lookup resource from
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* @release: Look for resources associated with this release function
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* @match: Match function (optional)
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@ -557,14 +561,13 @@ void devres_add(struct udevice *dev, void *res);
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* and for which @match returns 1. If @match is NULL, it's considered
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* to match all.
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*
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* RETURNS:
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* Pointer to found devres, NULL if not found.
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* @return pointer to found devres, NULL if not found.
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*/
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void *devres_find(struct udevice *dev, dr_release_t release,
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dr_match_t match, void *match_data);
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/**
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* devres_get - Find devres, if non-existent, add one atomically
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* devres_get() - Find devres, if non-existent, add one atomically
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* @dev: Device to lookup or add devres for
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* @new_res: Pointer to new initialized devres to add if not found
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* @match: Match function (optional)
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@ -574,14 +577,13 @@ void *devres_find(struct udevice *dev, dr_release_t release,
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* as @new_res and for which @match return 1. If found, @new_res is
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* freed; otherwise, @new_res is added atomically.
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*
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* RETURNS:
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* Pointer to found or added devres.
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* @return ointer to found or added devres.
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*/
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void *devres_get(struct udevice *dev, void *new_res,
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dr_match_t match, void *match_data);
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/**
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* devres_remove - Find a device resource and remove it
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* devres_remove() - Find a device resource and remove it
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* @dev: Device to find resource from
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* @release: Look for resources associated with this release function
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* @match: Match function (optional)
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@ -592,14 +594,13 @@ void *devres_get(struct udevice *dev, void *new_res,
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* match all. If found, the resource is removed atomically and
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* returned.
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*
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* RETURNS:
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* Pointer to removed devres on success, NULL if not found.
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* @return ointer to removed devres on success, NULL if not found.
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*/
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void *devres_remove(struct udevice *dev, dr_release_t release,
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dr_match_t match, void *match_data);
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/**
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* devres_destroy - Find a device resource and destroy it
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* devres_destroy() - Find a device resource and destroy it
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* @dev: Device to find resource from
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* @release: Look for resources associated with this release function
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* @match: Match function (optional)
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@ -613,14 +614,13 @@ void *devres_remove(struct udevice *dev, dr_release_t release,
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* only the devres-allocated data will be freed. The caller becomes
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* responsible for freeing any other data.
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*
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* RETURNS:
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* 0 if devres is found and freed, -ENOENT if not found.
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* @return 0 if devres is found and freed, -ENOENT if not found.
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*/
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int devres_destroy(struct udevice *dev, dr_release_t release,
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dr_match_t match, void *match_data);
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/**
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* devres_release - Find a device resource and destroy it, calling release
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* devres_release() - Find a device resource and destroy it, calling release
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* @dev: Device to find resource from
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* @release: Look for resources associated with this release function
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* @match: Match function (optional)
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@ -631,15 +631,14 @@ int devres_destroy(struct udevice *dev, dr_release_t release,
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* match all. If found, the resource is removed atomically, the
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* release function called and the resource freed.
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*
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* RETURNS:
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* 0 if devres is found and freed, -ENOENT if not found.
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* @return 0 if devres is found and freed, -ENOENT if not found.
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*/
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int devres_release(struct udevice *dev, dr_release_t release,
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dr_match_t match, void *match_data);
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/* managed devm_k.alloc/kfree for device drivers */
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/**
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* devm_kmalloc - Resource-managed kmalloc
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* devm_kmalloc() - Resource-managed kmalloc
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* @dev: Device to allocate memory for
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* @size: Allocation size
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* @gfp: Allocation gfp flags
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@ -648,8 +647,7 @@ int devres_release(struct udevice *dev, dr_release_t release,
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* automatically freed on driver detach. Like all other devres
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* resources, guaranteed alignment is unsigned long long.
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*
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* RETURNS:
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* Pointer to allocated memory on success, NULL on failure.
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* @return pointer to allocated memory on success, NULL on failure.
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*/
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void *devm_kmalloc(struct udevice *dev, size_t size, gfp_t gfp);
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static inline void *devm_kzalloc(struct udevice *dev, size_t size, gfp_t gfp)
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@ -670,13 +668,13 @@ static inline void *devm_kcalloc(struct udevice *dev,
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}
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/**
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* devm_kfree - Resource-managed kfree
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* devm_kfree() - Resource-managed kfree
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* @dev: Device this memory belongs to
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* @p: Memory to free
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* @ptr: Memory to free
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*
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* Free memory allocated with devm_kmalloc().
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*/
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void devm_kfree(struct udevice *dev, void *p);
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void devm_kfree(struct udevice *dev, void *ptr);
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#else /* ! CONFIG_DEVRES */
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@ -750,9 +748,9 @@ static inline void *devm_kcalloc(struct udevice *dev,
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return kmalloc(n * size, flags | __GFP_ZERO);
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}
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static inline void devm_kfree(struct udevice *dev, void *p)
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static inline void devm_kfree(struct udevice *dev, void *ptr)
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{
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kfree(p);
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kfree(ptr);
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}
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#endif /* ! CONFIG_DEVRES */
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