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include/kernel.h: Remove unsupported return values from k_work APIs

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Nothing in the code actually returns -EINPROGRESS, and in the case of
k_work_init() I don't see how that can even be done in a reliable way.
Don't claim we do what we don't.  Fixes #14109.

Signed-off-by: Andy Ross <andrew.j.ross@intel.com>
This commit is contained in:
Andy Ross 2019-03-07 16:29:29 -08:00 • committed by Anas Nashif
commit 2611e2dade
1 changed files with 0 additions and 3 deletions
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include/kernel.h
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@ -2773,7 +2773,6 @@ extern void k_delayed_work_init(struct k_delayed_work *work,
* @param delay Delay before submitting the work item (in milliseconds).
*
* @retval 0 Work item countdown started.
* @retval -EINPROGRESS Work item is already pending.
* @retval -EINVAL Work item is being processed or has completed its work.
* @retval -EADDRINUSE Work item is pending on a different workqueue.
* @req K-DWORK-001
@ -2794,7 +2793,6 @@ extern int k_delayed_work_submit_to_queue(struct k_work_q *work_q,
* @param work Address of delayed work item.
*
* @retval 0 Work item countdown canceled.
* @retval -EINPROGRESS Work item is already pending.
* @retval -EINVAL Work item is being processed or has completed its work.
* @req K-DWORK-001
*/
@ -2855,7 +2853,6 @@ static inline void k_work_submit(struct k_work *work)
* @param delay Delay before submitting the work item (in milliseconds).
*
* @retval 0 Work item countdown started.
* @retval -EINPROGRESS Work item is already pending.
* @retval -EINVAL Work item is being processed or has completed its work.
* @retval -EADDRINUSE Work item is pending on a different workqueue.
* @req K-DWORK-001