diff options
Diffstat (limited to 'drivers/reset/core.c')
| -rw-r--r-- | drivers/reset/core.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/drivers/reset/core.c b/drivers/reset/core.c index 213ff40dda11..7597c70e04d5 100644 --- a/drivers/reset/core.c +++ b/drivers/reset/core.c @@ -76,10 +76,11 @@ static const char *rcdev_name(struct reset_controller_dev *rcdev) * of_reset_simple_xlate - translate reset_spec to the reset line number * @rcdev: a pointer to the reset controller device * @reset_spec: reset line specifier as found in the device tree - * @flags: a flags pointer to fill in (optional) * - * This simple translation function should be used for reset controllers - * with 1:1 mapping, where reset lines can be indexed by number without gaps. + * This static translation function is used by default if of_xlate in + * :c:type:`reset_controller_dev` is not set. It is useful for all reset + * controllers with 1:1 mapping, where reset lines can be indexed by number + * without gaps. */ static int of_reset_simple_xlate(struct reset_controller_dev *rcdev, const struct of_phandle_args *reset_spec) @@ -334,7 +335,6 @@ EXPORT_SYMBOL_GPL(reset_control_reset); * internal state to be reset, but must be prepared for this to happen. * Consumers must not use reset_control_reset on shared reset lines when * reset_control_(de)assert has been used. - * return 0. * * If rstc is NULL it is an optional reset and the function will just * return 0. @@ -393,7 +393,6 @@ EXPORT_SYMBOL_GPL(reset_control_assert); * After calling this function, the reset is guaranteed to be deasserted. * Consumers must not use reset_control_reset on shared reset lines when * reset_control_(de)assert has been used. - * return 0. * * If rstc is NULL it is an optional reset and the function will just * return 0. @@ -748,6 +747,7 @@ static void reset_control_array_put(struct reset_control_array *resets) for (i = 0; i < resets->num_rstcs; i++) __reset_control_put_internal(resets->rstc[i]); mutex_unlock(&reset_list_mutex); + kfree(resets); } /** @@ -787,7 +787,7 @@ struct reset_control *__devm_reset_control_get(struct device *dev, return ERR_PTR(-ENOMEM); rstc = __reset_control_get(dev, id, index, shared, optional, acquired); - if (!IS_ERR(rstc)) { + if (!IS_ERR_OR_NULL(rstc)) { *ptr = rstc; devres_add(dev, ptr); } else { @@ -825,9 +825,10 @@ int __device_reset(struct device *dev, bool optional) } EXPORT_SYMBOL_GPL(__device_reset); -/** +/* * APIs to manage an array of reset controls. */ + /** * of_reset_control_get_count - Count number of resets available with a device * @@ -860,8 +861,7 @@ static int of_reset_control_get_count(struct device_node *node) * @acquired: only one reset control may be acquired for a given controller * and ID * - * Returns pointer to allocated reset_control_array on success or - * error on failure + * Returns pointer to allocated reset_control on success or error on failure */ struct reset_control * of_reset_control_array_get(struct device_node *np, bool shared, bool optional, @@ -914,8 +914,7 @@ EXPORT_SYMBOL_GPL(of_reset_control_array_get); * that just have to be asserted or deasserted, without any * requirements on the order. * - * Returns pointer to allocated reset_control_array on success or - * error on failure + * Returns pointer to allocated reset_control on success or error on failure */ struct reset_control * devm_reset_control_array_get(struct device *dev, bool shared, bool optional) @@ -929,7 +928,7 @@ devm_reset_control_array_get(struct device *dev, bool shared, bool optional) return ERR_PTR(-ENOMEM); rstc = of_reset_control_array_get(dev->of_node, shared, optional, true); - if (IS_ERR(rstc)) { + if (IS_ERR_OR_NULL(rstc)) { devres_free(devres); return rstc; } |