1 files changed, 1 insertions, 94 deletions

diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c
index adfc2452d21..927f08892ad 100644
--- a/drivers/scsi/isci/host.c
+++ b/drivers/scsi/isci/host.c
@@ -170,96 +170,6 @@ void isci_host_stop_complete(struct isci_host *ihost, enum sci_status completion
 	wake_up(&ihost->eventq);
 }
 
-static struct coherent_memory_info *isci_host_alloc_mdl_struct(
-	struct isci_host *isci_host,
-	u32 size)
-{
-	struct coherent_memory_info *mdl_struct;
-	void *uncached_address = NULL;
-
-
-	mdl_struct = devm_kzalloc(&isci_host->pdev->dev,
-				  sizeof(*mdl_struct),
-				  GFP_KERNEL);
-	if (!mdl_struct)
-		return NULL;
-
-	INIT_LIST_HEAD(&mdl_struct->node);
-
-	uncached_address = dmam_alloc_coherent(&isci_host->pdev->dev,
-					       size,
-					       &mdl_struct->dma_handle,
-					       GFP_KERNEL);
-	if (!uncached_address)
-		return NULL;
-
-	/* memset the whole memory area. */
-	memset((char *)uncached_address, 0, size);
-	mdl_struct->vaddr = uncached_address;
-	mdl_struct->size = (size_t)size;
-
-	return mdl_struct;
-}
-
-static void isci_host_build_mde(
-	struct sci_physical_memory_descriptor *mde_struct,
-	struct coherent_memory_info *mdl_struct)
-{
-	unsigned long address = 0;
-	dma_addr_t dma_addr = 0;
-
-	address = (unsigned long)mdl_struct->vaddr;
-	dma_addr = mdl_struct->dma_handle;
-
-	/* to satisfy the alignment. */
-	if ((address % mde_struct->constant_memory_alignment) != 0) {
-		int align_offset
-			= (mde_struct->constant_memory_alignment
-			   - (address % mde_struct->constant_memory_alignment));
-		address += align_offset;
-		dma_addr += align_offset;
-	}
-
-	mde_struct->virtual_address = (void *)address;
-	mde_struct->physical_address = dma_addr;
-	mdl_struct->mde = mde_struct;
-}
-
-static int isci_host_mdl_allocate_coherent(
-	struct isci_host *isci_host)
-{
-	struct sci_physical_memory_descriptor *current_mde;
-	struct coherent_memory_info *mdl_struct;
-	u32 size = 0;
-
-	struct sci_base_memory_descriptor_list *mdl_handle =
-		&isci_host->core_controller->mdl;
-
-	sci_mdl_first_entry(mdl_handle);
-
-	current_mde = sci_mdl_get_current_entry(mdl_handle);
-
-	while (current_mde != NULL) {
-
-		size = (current_mde->constant_memory_size
-			+ current_mde->constant_memory_alignment);
-
-		mdl_struct = isci_host_alloc_mdl_struct(isci_host, size);
-		if (!mdl_struct)
-			return -ENOMEM;
-
-		list_add_tail(&mdl_struct->node, &isci_host->mdl_struct_list);
-
-		isci_host_build_mde(current_mde, mdl_struct);
-
-		sci_mdl_next_entry(mdl_handle);
-		current_mde = sci_mdl_get_current_entry(mdl_handle);
-	}
-
-	return 0;
-}
-
-
 /**
  * isci_host_completion_routine() - This function is the delayed service
  *    routine that calls the sci core library's completion handler. It's
@@ -523,8 +433,6 @@ int isci_host_init(struct isci_host *isci_host)
 	tasklet_init(&isci_host->completion_tasklet,
 		     isci_host_completion_routine, (unsigned long)isci_host);
 
-	INIT_LIST_HEAD(&(isci_host->mdl_struct_list));
-
 	INIT_LIST_HEAD(&isci_host->requests_to_complete);
 	INIT_LIST_HEAD(&isci_host->requests_to_errorback);
 
@@ -539,8 +447,7 @@ int isci_host_init(struct isci_host *isci_host)
 		return -ENODEV;
 	}
 
-	/* populate mdl with dma memory. scu_mdl_allocate_coherent() */
-	err = isci_host_mdl_allocate_coherent(isci_host);
+	err = scic_controller_mem_init(isci_host->core_controller);
 	if (err)
 		return err;