diff options
| author | Nicolas Saenz Julienne <nsaenzjulienne@suse.de> | 2020-05-27 13:53:07 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-05-27 14:03:35 +0200 |
| commit | 6620ce704e6365bea2f66019b891fd49812fa482 (patch) | |
| tree | b190e3b925037b154cf4a9e80cd2555d4281fb47 /drivers/staging | |
| parent | ddf0f124ae0a252a8d0d10ead52e205e9a58aa0d (diff) | |
staging: vchi: Get rid of vchi_queue_user_message()
The function has no users.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200527115400.31391-3-nsaenzjulienne@suse.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/vc04_services/interface/vchi/vchi.h | 6 | ||||
| -rw-r--r-- | drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c | 34 |
2 files changed, 0 insertions, 40 deletions
diff --git a/drivers/staging/vc04_services/interface/vchi/vchi.h b/drivers/staging/vc04_services/interface/vchi/vchi.h index 686cfc536012..62d9d3efa755 100644 --- a/drivers/staging/vc04_services/interface/vchi/vchi.h +++ b/drivers/staging/vc04_services/interface/vchi/vchi.h @@ -111,12 +111,6 @@ vchi_queue_kernel_message(struct vchi_service_handle *handle, void *data, unsigned int size); -/* Routine to send a message from user memory across a service */ -extern int -vchi_queue_user_message(struct vchi_service_handle *handle, - void __user *data, - unsigned int size); - // Routine to receive a msg from a service // Dequeue is equivalent to hold, copy into client buffer, release extern int32_t vchi_msg_dequeue(struct vchi_service_handle *handle, diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c index 9a040651bb9b..2c2bd7a9dc27 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c @@ -150,40 +150,6 @@ vchi_queue_kernel_message(struct vchi_service_handle *handle, } EXPORT_SYMBOL(vchi_queue_kernel_message); -struct vchi_queue_user_message_context { - void __user *data; -}; - -static ssize_t -vchi_queue_user_message_callback(void *context, - void *dest, - size_t offset, - size_t maxsize) -{ - struct vchi_queue_user_message_context *copycontext = context; - - if (copy_from_user(dest, copycontext->data + offset, maxsize)) - return -EFAULT; - - return maxsize; -} - -int -vchi_queue_user_message(struct vchi_service_handle *handle, - void __user *data, - unsigned int size) -{ - struct vchi_queue_user_message_context copycontext = { - .data = data - }; - - return vchi_msg_queue(handle, - vchi_queue_user_message_callback, - ©context, - size); -} -EXPORT_SYMBOL(vchi_queue_user_message); - /*********************************************************** * Name: vchi_bulk_queue_receive * |