crypto: hisilicon/qm - stop qp by judging sq and cq tail

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It is not working well to determine whether the queue is empty based on
whether the used count is 0. It is more stable to get if the queue is
stopping by checking if the tail pointer of the send queue and the
completion queue are equal.

Signed-off-by: Yang Shen <shenyang39@huawei.com>
Signed-off-by: Shukun Tan <tanshukun1@huawei.com>
Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com>
Reviewed-by: Zaibo Xu <xuzaibo@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

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Yang Shen 2020-04-03 16:16:42 +08:00 • committed by Herbert Xu

parent 141876c252

commit f037fc5f93

1 changed files with 114 additions and 9 deletions

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drivers/crypto/hisilicon/qm.c

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