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crypto: ccree - fix PM race condition

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The PM code was racy, possibly causing the driver to submit
requests to a powered down device. Fix the race and while
at it simplify the PM code.

Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Fixes: 1358c13a48 ("crypto: ccree - fix resume race condition on init")
Cc: stable@kernel.org # v4.20
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Gilad Ben-Yossef
2020-01-16 12:14:43 +02:00
committed by Herbert Xu
parent 5c83e8ec4d
commit 15fd2566bf
4 changed files with 7 additions and 80 deletions
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8
drivers/crypto/ccree/cc_request_mgr.h
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@@ -40,12 +40,4 @@ void complete_request(struct cc_drvdata *drvdata);
void cc_req_mgr_fini(struct cc_drvdata *drvdata);
#if defined(CONFIG_PM)
int cc_resume_req_queue(struct cc_drvdata *drvdata);
int cc_suspend_req_queue(struct cc_drvdata *drvdata);
bool cc_req_queue_suspended(struct cc_drvdata *drvdata);
#endif
#endif /*__REQUEST_MGR_H__*/