diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index 218777b..399fe55 100644
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -13872,8 +13872,10 @@
 	advansys_wide_free_mem(boardp);
 	free_irq(boardp->irq, shost);
  err_free_dma:
+#ifdef CONFIG_ISA
 	if (shost->dma_channel != NO_ISA_DMA)
 		free_dma(shost->dma_channel);
+#endif
  err_free_proc:
 	kfree(boardp->prtbuf);
  err_unmap:
@@ -13894,10 +13896,12 @@
 	ASC_DBG(1, "begin\n");
 	scsi_remove_host(shost);
 	free_irq(board->irq, shost);
+#ifdef CONFIG_ISA
 	if (shost->dma_channel != NO_ISA_DMA) {
 		ASC_DBG(1, "free_dma()\n");
 		free_dma(shost->dma_channel);
 	}
+#endif
 	if (ASC_NARROW_BOARD(board)) {
 		dma_unmap_single(board->dev,
 					board->dvc_var.asc_dvc_var.overrun_dma,