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staging: vchi: Get rid of vchi_queue_user_message()

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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>
This commit is contained in:
Nicolas Saenz Julienne
2020-05-27 13:53:07 +02:00
committed by Greg Kroah-Hartman
parent ddf0f124ae
commit 6620ce704e
2 changed files with 0 additions and 40 deletions
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6
drivers/staging/vc04_services/interface/vchi/vchi.h
View File

@@ -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,

34
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_shim.c
View File

@@ -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,
&copycontext,
size);
}
EXPORT_SYMBOL(vchi_queue_user_message);
/***********************************************************
* Name: vchi_bulk_queue_receive
*