| Message ID | 20211006071546.2540920-5-jens.wiklander@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Asynchronous notifications from secure world | expand |
On Wed, 6 Oct 2021 at 12:46, Jens Wiklander <jens.wiklander@linaro.org> wrote: > > Exports the two functions teedev_open() and teedev_close_context() in > order to make it easier to create a driver internal struct tee_context. > > Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> > --- > drivers/tee/tee_core.c | 6 ++++-- > include/linux/tee_drv.h | 14 ++++++++++++++ > 2 files changed, 18 insertions(+), 2 deletions(-) > Reviewed-by: Sumit Garg <sumit.garg@linaro.org> -Sumit > diff --git a/drivers/tee/tee_core.c b/drivers/tee/tee_core.c > index 85102d12d716..3fc426dad2df 100644 > --- a/drivers/tee/tee_core.c > +++ b/drivers/tee/tee_core.c > @@ -43,7 +43,7 @@ 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; > @@ -70,6 +70,7 @@ static struct tee_context *teedev_open(struct tee_device *teedev) > return ERR_PTR(rc); > > } > +EXPORT_SYMBOL_GPL(teedev_open); > > void teedev_ctx_get(struct tee_context *ctx) > { > @@ -96,13 +97,14 @@ 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 3ebfea0781f1..26f42c4cd7a1 100644 > --- a/include/linux/tee_drv.h > +++ b/include/linux/tee_drv.h > @@ -582,4 +582,18 @@ 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*/ > -- > 2.31.1 >
diff --git a/drivers/tee/tee_core.c b/drivers/tee/tee_core.c index 85102d12d716..3fc426dad2df 100644 --- a/drivers/tee/tee_core.c +++ b/drivers/tee/tee_core.c @@ -43,7 +43,7 @@ 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; @@ -70,6 +70,7 @@ static struct tee_context *teedev_open(struct tee_device *teedev) return ERR_PTR(rc); } +EXPORT_SYMBOL_GPL(teedev_open); void teedev_ctx_get(struct tee_context *ctx) { @@ -96,13 +97,14 @@ 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 3ebfea0781f1..26f42c4cd7a1 100644 --- a/include/linux/tee_drv.h +++ b/include/linux/tee_drv.h @@ -582,4 +582,18 @@ 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*/
Exports the two functions teedev_open() and teedev_close_context() in order to make it easier to create a driver internal struct tee_context. Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> --- drivers/tee/tee_core.c | 6 ++++-- include/linux/tee_drv.h | 14 ++++++++++++++ 2 files changed, 18 insertions(+), 2 deletions(-)