diff options
| author | Gilad Ben-Yossef | 2018-01-22 10:27:00 +0100 |
|---|---|---|
| committer | Herbert Xu | 2018-02-15 16:26:40 +0100 |
| commit | 4c3f97276e156820a0433bf7b59a4df1100829ae (patch) | |
| tree | 6772f78d5a4a2a5728d6a3efc2c5cba4b08cefff /drivers/crypto/ccree/cc_pm.h | |
| parent | staging: ccree: rename staging ver and mark as broken (diff) | |
| download | kernel-qcow2-linux-4c3f97276e156820a0433bf7b59a4df1100829ae.tar.gz kernel-qcow2-linux-4c3f97276e156820a0433bf7b59a4df1100829ae.tar.xz kernel-qcow2-linux-4c3f97276e156820a0433bf7b59a4df1100829ae.zip | |
crypto: ccree - introduce CryptoCell driver
Introduce basic low level Arm TrustZone CryptoCell HW support.
This first patch doesn't actually register any Crypto API
transformations, these will follow up in the next patch.
This first revision supports the CC 712 REE component.
Signed-off-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/ccree/cc_pm.h')
| -rw-r--r-- | drivers/crypto/ccree/cc_pm.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/crypto/ccree/cc_pm.h b/drivers/crypto/ccree/cc_pm.h new file mode 100644 index 000000000000..020a5403c58b --- /dev/null +++ b/drivers/crypto/ccree/cc_pm.h @@ -0,0 +1,56 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ + +/* \file cc_pm.h + */ + +#ifndef __CC_POWER_MGR_H__ +#define __CC_POWER_MGR_H__ + +#include "cc_driver.h" + +#define CC_SUSPEND_TIMEOUT 3000 + +#if defined(CONFIG_PM) + +extern const struct dev_pm_ops ccree_pm; + +int cc_pm_init(struct cc_drvdata *drvdata); +void cc_pm_fini(struct cc_drvdata *drvdata); +int cc_pm_suspend(struct device *dev); +int cc_pm_resume(struct device *dev); +int cc_pm_get(struct device *dev); +int cc_pm_put_suspend(struct device *dev); + +#else + +static inline int cc_pm_init(struct cc_drvdata *drvdata) +{ + return 0; +} + +static inline void cc_pm_fini(struct cc_drvdata *drvdata) {} + +static inline int cc_pm_suspend(struct device *dev) +{ + return 0; +} + +static inline int cc_pm_resume(struct device *dev) +{ + return 0; +} + +static inline int cc_pm_get(struct device *dev) +{ + return 0; +} + +static inline int cc_pm_put_suspend(struct device *dev) +{ + return 0; +} + +#endif + +#endif /*__POWER_MGR_H__*/ |