scsi: mvsas: Replace PCI pool old API

The PCI pool API is deprecated. This commit replaces the PCI pool old
API by the appropriate function with the DMA pool API.
Signed-off-by: Romain Perier <romain.perier@collabora.com>
Reviewed-by: Peter Senna Tschudin <peter.senna@collabora.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/mvsas/mv_init.c

@@ -125,8 +125,7 @@ static void mvs_free(struct mvs_info *mvi)
 	else
 		slot_nr = MVS_CHIP_SLOT_SZ;
 
-	if (mvi->dma_pool)
-		pci_pool_destroy(mvi->dma_pool);
+	dma_pool_destroy(mvi->dma_pool);
 
 	if (mvi->tx)
 		dma_free_coherent(mvi->dev,
@@ -296,7 +295,8 @@ static int mvs_alloc(struct mvs_info *mvi, struct Scsi_Host *shost)
 		goto err_out;
 
 	sprintf(pool_name, "%s%d", "mvs_dma_pool", mvi->id);
-	mvi->dma_pool = pci_pool_create(pool_name, mvi->pdev, MVS_SLOT_BUF_SZ, 16, 0);
+	mvi->dma_pool = dma_pool_create(pool_name, &mvi->pdev->dev,
+					MVS_SLOT_BUF_SZ, 16, 0);
 	if (!mvi->dma_pool) {
 			printk(KERN_DEBUG "failed to create dma pool %s.\n", pool_name);
 			goto err_out;

drivers/scsi/mvsas/mv_sas.c

@@ -790,7 +790,7 @@ static int mvs_task_prep(struct sas_task *task, struct mvs_info *mvi, int is_tmf
 	slot->n_elem = n_elem;
 	slot->slot_tag = tag;
 
-	slot->buf = pci_pool_alloc(mvi->dma_pool, GFP_ATOMIC, &slot->buf_dma);
+	slot->buf = dma_pool_alloc(mvi->dma_pool, GFP_ATOMIC, &slot->buf_dma);
 	if (!slot->buf) {
 		rc = -ENOMEM;
 		goto err_out_tag;
@@ -840,7 +840,7 @@ static int mvs_task_prep(struct sas_task *task, struct mvs_info *mvi, int is_tmf
 	return rc;
 
 err_out_slot_buf:
-	pci_pool_free(mvi->dma_pool, slot->buf, slot->buf_dma);
+	dma_pool_free(mvi->dma_pool, slot->buf, slot->buf_dma);
 err_out_tag:
 	mvs_tag_free(mvi, tag);
 err_out:
@@ -918,7 +918,7 @@ static void mvs_slot_task_free(struct mvs_info *mvi, struct sas_task *task,
 	}
 
 	if (slot->buf) {
-		pci_pool_free(mvi->dma_pool, slot->buf, slot->buf_dma);
+		dma_pool_free(mvi->dma_pool, slot->buf, slot->buf_dma);
 		slot->buf = NULL;
 	}
 	list_del_init(&slot->entry);