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| author |   Ojaswin Mujoo <ojaswin98@gmail.com> | 2021-07-21 21:50:52 +0530 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-07-27 15:23:25 +0200 |
| commit | 2b5930fb3dc06d86149071f9dc8b6992cac1c3aa (patch) | |
| tree | f5df5bfd81bb87924695d30ba49c5378a0b3a344 /drivers/staging/vc04_services/interface | |
| parent | staging: vchiq: Move vchiq char driver to its own file (diff) | |
| download | linux-dev-2b5930fb3dc06d86149071f9dc8b6992cac1c3aa.tar.xz linux-dev-2b5930fb3dc06d86149071f9dc8b6992cac1c3aa.zip | |
staging: vchiq: Make creation of vchiq cdev optional
Before this commit, vchiq cdev (/dev/vchiq) was always created during
platform initialization. Introduce a new Kconfig option
CONFIG_VCHIQ_CDEV which determines if the cdev will be created or not.
Reviewed-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Ojaswin Mujoo <ojaswin98@gmail.com>
Link: https://lore.kernel.org/r/846c424dd4aae14d1cc28c8f30877a06e2b7dd10.1626882325.git.ojaswin98@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/vc04_services/interface')
| -rw-r--r-- | drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h index 2453971b6b78..e8e39a154c74 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h @@ -174,12 +174,21 @@ vchiq_instance_get_trace(struct vchiq_instance *instance); extern void vchiq_instance_set_trace(struct vchiq_instance *instance, int trace); +#if IS_ENABLED(CONFIG_VCHIQ_CDEV) + extern void vchiq_deregister_chrdev(void); extern int vchiq_register_chrdev(struct device *parent); +#else + +static inline void vchiq_deregister_chrdev(void) { } +static inline int vchiq_register_chrdev(struct device *parent) { return 0; } + +#endif /* IS_ENABLED(CONFIG_VCHIQ_CDEV) */ + extern enum vchiq_status service_callback(enum vchiq_reason reason, struct vchiq_header *header, unsigned int handle, void *bulk_userdata); |