vcsm: Reduce scope of local functions

The functions:

  vc_vchi_sm_send_msg
  vc_sm_ioctl_alloc
  vc_sm_ioctl_alloc_share
  vc_sm_ioctl_import_dmabuf

Are declared without a prototype. They are not used outside of this
module, thus - convert them to static functions.

Signed-off-by: Kieran Bingham <[email protected]>

Author: kbingham

drivers/char/broadcom/vc_sm/vc_vchi_sm.c

@@ -375,7 +375,7 @@ int vc_vchi_sm_stop(struct sm_instance **handle)
 	return -EINVAL;
 }
 
-int vc_vchi_sm_send_msg(struct sm_instance *handle,
+static int vc_vchi_sm_send_msg(struct sm_instance *handle,
 			enum vc_sm_msg_type msg_id,
 			void *msg, uint32_t msg_size,
 			void *result, uint32_t result_size,

drivers/char/broadcom/vc_sm/vmcs_sm.c

@@ -1574,8 +1574,8 @@ static int vc_sm_mmap(struct file *file, struct vm_area_struct *vma)
 }
 
 /* Allocate a shared memory handle and block. */
-int vc_sm_ioctl_alloc(struct sm_priv_data_t *private,
-		      struct vmcs_sm_ioctl_alloc *ioparam)
+static int vc_sm_ioctl_alloc(struct sm_priv_data_t *private,
+			     struct vmcs_sm_ioctl_alloc *ioparam)
 {
 	int ret = 0;
 	int status;
@@ -1685,8 +1685,8 @@ int vc_sm_ioctl_alloc(struct sm_priv_data_t *private,
 }
 
 /* Share an allocate memory handle and block.*/
-int vc_sm_ioctl_alloc_share(struct sm_priv_data_t *private,
-			    struct vmcs_sm_ioctl_alloc_share *ioparam)
+static int vc_sm_ioctl_alloc_share(struct sm_priv_data_t *private,
+				   struct vmcs_sm_ioctl_alloc_share *ioparam)
 {
 	struct sm_resource_t *resource, *shared_resource;
 	int ret = 0;
@@ -2200,9 +2200,9 @@ static int vc_sm_ioctl_unlock(struct sm_priv_data_t *private,
 }
 
 /* Import a contiguous block of memory to be shared with VC. */
-int vc_sm_ioctl_import_dmabuf(struct sm_priv_data_t *private,
-			      struct vmcs_sm_ioctl_import_dmabuf *ioparam,
-			      struct dma_buf *src_dma_buf)
+static int vc_sm_ioctl_import_dmabuf(struct sm_priv_data_t *private,
+				     struct vmcs_sm_ioctl_import_dmabuf *ioparam,
+				     struct dma_buf *src_dma_buf)
 {
 	int ret = 0;
 	int status;