diff options
| -rw-r--r-- | drivers/tee/tee_core.c | 6 | ||||
| -rw-r--r-- | include/linux/tee_drv.h | 14 |
2 files changed, 18 insertions, 2 deletions
diff --git a/drivers/tee/tee_core.c b/drivers/tee/tee_core.c index 85e0cef9e917..a7ccd4d2bd10 100644 --- a/drivers/tee/tee_core.c +++ b/drivers/tee/tee_core.c @@ -28,7 +28,7 @@ static DEFINE_SPINLOCK(driver_lock); static struct class *tee_class; static dev_t tee_devt; -static struct tee_context *teedev_open(struct tee_device *teedev) +struct tee_context *teedev_open(struct tee_device *teedev) { int rc; struct tee_context *ctx; @@ -56,6 +56,7 @@ err: return ERR_PTR(rc); } +EXPORT_SYMBOL_GPL(teedev_open); void teedev_ctx_get(struct tee_context *ctx) { @@ -82,13 +83,14 @@ void teedev_ctx_put(struct tee_context *ctx) kref_put(&ctx->refcount, teedev_ctx_release); } -static void teedev_close_context(struct tee_context *ctx) +void teedev_close_context(struct tee_context *ctx) { struct tee_device *teedev = ctx->teedev; teedev_ctx_put(ctx); tee_device_put(teedev); } +EXPORT_SYMBOL_GPL(teedev_close_context); static int tee_open(struct inode *inode, struct file *filp) { diff --git a/include/linux/tee_drv.h b/include/linux/tee_drv.h index e08ace76eba6..8868337e9445 100644 --- a/include/linux/tee_drv.h +++ b/include/linux/tee_drv.h @@ -579,4 +579,18 @@ struct tee_client_driver { #define to_tee_client_driver(d) \ container_of(d, struct tee_client_driver, driver) +/** + * teedev_open() - Open a struct tee_device + * @teedev: Device to open + * + * @return a pointer to struct tee_context on success or an ERR_PTR on failure. + */ +struct tee_context *teedev_open(struct tee_device *teedev); + +/** + * teedev_close_context() - closes a struct tee_context + * @ctx: The struct tee_context to close + */ +void teedev_close_context(struct tee_context *ctx); + #endif /*__TEE_DRV_H*/ |