sparc: Convert all SBUS drivers to dma_*() interfaces.

And all the SBUS dma interfaces are deleted.

A private implementation remains inside of the 32-bit sparc port which
exists only for the sake of the implementation of dma_*().

Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 41 insertions, 38 deletions

diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c
index f010506af88..1559d455b2b 100644
--- a/drivers/scsi/qlogicpti.c
+++ b/drivers/scsi/qlogicpti.c
@@ -25,6 +25,7 @@
 #include <linux/interrupt.h>
 #include <linux/module.h>
 #include <linux/jiffies.h>
+#include <linux/dma-mapping.h>
 
 #include <asm/byteorder.h>
 
@@ -788,22 +789,22 @@ static int __devinit qpti_map_queues(struct qlogicpti *qpti)
 	struct sbus_dev *sdev = qpti->sdev;
 
 #define QSIZE(entries)	(((entries) + 1) * QUEUE_ENTRY_LEN)
-	qpti->res_cpu = sbus_alloc_consistent(&sdev->ofdev.dev,
-					      QSIZE(RES_QUEUE_LEN),
-					      &qpti->res_dvma);
+	qpti->res_cpu = dma_alloc_coherent(&sdev->ofdev.dev,
+					   QSIZE(RES_QUEUE_LEN),
+					   &qpti->res_dvma, GFP_ATOMIC);
 	if (qpti->res_cpu == NULL ||
 	    qpti->res_dvma == 0) {
 		printk("QPTI: Cannot map response queue.\n");
 		return -1;
 	}
 
-	qpti->req_cpu = sbus_alloc_consistent(&sdev->ofdev.dev,
-					      QSIZE(QLOGICPTI_REQ_QUEUE_LEN),
-					      &qpti->req_dvma);
+	qpti->req_cpu = dma_alloc_coherent(&sdev->ofdev.dev,
+					   QSIZE(QLOGICPTI_REQ_QUEUE_LEN),
+					   &qpti->req_dvma, GFP_ATOMIC);
 	if (qpti->req_cpu == NULL ||
 	    qpti->req_dvma == 0) {
-		sbus_free_consistent(&sdev->ofdev.dev, QSIZE(RES_QUEUE_LEN),
-				     qpti->res_cpu, qpti->res_dvma);
+		dma_free_coherent(&sdev->ofdev.dev, QSIZE(RES_QUEUE_LEN),
+				  qpti->res_cpu, qpti->res_dvma);
 		printk("QPTI: Cannot map request queue.\n");
 		return -1;
 	}
@@ -875,9 +876,9 @@ static inline int load_cmd(struct scsi_cmnd *Cmnd, struct Command_Entry *cmd,
 		int sg_count;
 
 		sg = scsi_sglist(Cmnd);
-		sg_count = sbus_map_sg(&qpti->sdev->ofdev.dev, sg,
-				       scsi_sg_count(Cmnd),
-				       Cmnd->sc_data_direction);
+		sg_count = dma_map_sg(&qpti->sdev->ofdev.dev, sg,
+				      scsi_sg_count(Cmnd),
+				      Cmnd->sc_data_direction);
 
 		ds = cmd->dataseg;
 		cmd->segment_cnt = sg_count;
@@ -1152,9 +1153,9 @@ static struct scsi_cmnd *qlogicpti_intr_handler(struct qlogicpti *qpti)
 			Cmnd->result = DID_ERROR << 16;
 
 		if (scsi_bufflen(Cmnd))
-			sbus_unmap_sg(&qpti->sdev->ofdev.dev,
-				      scsi_sglist(Cmnd), scsi_sg_count(Cmnd),
-				      Cmnd->sc_data_direction);
+			dma_unmap_sg(&qpti->sdev->ofdev.dev,
+				     scsi_sglist(Cmnd), scsi_sg_count(Cmnd),
+				     Cmnd->sc_data_direction);
 
 		qpti->cmd_count[Cmnd->device->id]--;
 		sbus_writew(out_ptr, qpti->qregs + MBOX5);
@@ -1357,12 +1358,12 @@ static int __devinit qpti_sbus_probe(struct of_device *dev, const struct of_devi
 
 fail_unmap_queues:
 #define QSIZE(entries)	(((entries) + 1) * QUEUE_ENTRY_LEN)
-	sbus_free_consistent(&qpti->sdev->ofdev.dev,
-			     QSIZE(RES_QUEUE_LEN),
-			     qpti->res_cpu, qpti->res_dvma);
-	sbus_free_consistent(&qpti->sdev->ofdev.dev,
-			     QSIZE(QLOGICPTI_REQ_QUEUE_LEN),
-			     qpti->req_cpu, qpti->req_dvma);
+	dma_free_coherent(&qpti->sdev->ofdev.dev,
+			  QSIZE(RES_QUEUE_LEN),
+			  qpti->res_cpu, qpti->res_dvma);
+	dma_free_coherent(&qpti->sdev->ofdev.dev,
+			  QSIZE(QLOGICPTI_REQ_QUEUE_LEN),
+			  qpti->req_cpu, qpti->req_dvma);
 #undef QSIZE
 
 fail_unmap_regs:
@@ -1395,12 +1396,12 @@ static int __devexit qpti_sbus_remove(struct of_device *dev)
 	free_irq(qpti->irq, qpti);
 
 #define QSIZE(entries)	(((entries) + 1) * QUEUE_ENTRY_LEN)
-	sbus_free_consistent(&qpti->sdev->ofdev.dev,
-			     QSIZE(RES_QUEUE_LEN),
-			     qpti->res_cpu, qpti->res_dvma);
-	sbus_free_consistent(&qpti->sdev->ofdev.dev,
-			     QSIZE(QLOGICPTI_REQ_QUEUE_LEN),
-			     qpti->req_cpu, qpti->req_dvma);
+	dma_free_coherent(&qpti->sdev->ofdev.dev,
+			  QSIZE(RES_QUEUE_LEN),
+			  qpti->res_cpu, qpti->res_dvma);
+	dma_free_coherent(&qpti->sdev->ofdev.dev,
+			  QSIZE(QLOGICPTI_REQ_QUEUE_LEN),
+			  qpti->req_cpu, qpti->req_dvma);
 #undef QSIZE
 
 	sbus_iounmap(qpti->qregs, qpti->sdev->reg_addrs[0].reg_size);
diff --git a/drivers/scsi/sun_esp.c b/drivers/scsi/sun_esp.c
index 35b6e2ccc39..f7508743f70 100644
--- a/drivers/scsi/sun_esp.c
+++ b/drivers/scsi/sun_esp.c
@@ -9,6 +9,7 @@
 #include <linux/module.h>
 #include <linux/mm.h>
 #include <linux/init.h>
+#include <linux/dma-mapping.h>
 
 #include <asm/irq.h>
 #include <asm/io.h>
@@ -101,8 +102,9 @@ static int __devinit esp_sbus_map_command_block(struct esp *esp)
 {
 	struct sbus_dev *sdev = esp->dev;
 
-	esp->command_block = sbus_alloc_consistent(&sdev->ofdev.dev, 16,
-						   &esp->command_block_dma);
+	esp->command_block = dma_alloc_coherent(&sdev->ofdev.dev, 16,
+						&esp->command_block_dma,
+						GFP_ATOMIC);
 	if (!esp->command_block)
 		return -ENOMEM;
 	return 0;
@@ -225,7 +227,7 @@ static dma_addr_t sbus_esp_map_single(struct esp *esp, void *buf,
 {
 	struct sbus_dev *sdev = esp->dev;
 
-	return sbus_map_single(&sdev->ofdev.dev, buf, sz, dir);
+	return dma_map_single(&sdev->ofdev.dev, buf, sz, dir);
 }
 
 static int sbus_esp_map_sg(struct esp *esp, struct scatterlist *sg,
@@ -233,7 +235,7 @@ static int sbus_esp_map_sg(struct esp *esp, struct scatterlist *sg,
 {
 	struct sbus_dev *sdev = esp->dev;
 
-	return sbus_map_sg(&sdev->ofdev.dev, sg, num_sg, dir);
+	return dma_map_sg(&sdev->ofdev.dev, sg, num_sg, dir);
 }
 
 static void sbus_esp_unmap_single(struct esp *esp, dma_addr_t addr,
@@ -241,7 +243,7 @@ static void sbus_esp_unmap_single(struct esp *esp, dma_addr_t addr,
 {
 	struct sbus_dev *sdev = esp->dev;
 
-	sbus_unmap_single(&sdev->ofdev.dev, addr, sz, dir);
+	dma_unmap_single(&sdev->ofdev.dev, addr, sz, dir);
 }
 
 static void sbus_esp_unmap_sg(struct esp *esp, struct scatterlist *sg,
@@ -249,7 +251,7 @@ static void sbus_esp_unmap_sg(struct esp *esp, struct scatterlist *sg,
 {
 	struct sbus_dev *sdev = esp->dev;
 
-	sbus_unmap_sg(&sdev->ofdev.dev, sg, num_sg, dir);
+	dma_unmap_sg(&sdev->ofdev.dev, sg, num_sg, dir);
 }
 
 static int sbus_esp_irq_pending(struct esp *esp)
@@ -558,9 +560,9 @@ static int __devinit esp_sbus_probe_one(struct device *dev,
 fail_free_irq:
 	free_irq(host->irq, esp);
 fail_unmap_command_block:
-	sbus_free_consistent(&esp_dev->ofdev.dev, 16,
-			     esp->command_block,
-			     esp->command_block_dma);
+	dma_free_coherent(&esp_dev->ofdev.dev, 16,
+			  esp->command_block,
+			  esp->command_block_dma);
 fail_unmap_regs:
 	sbus_iounmap(esp->regs, SBUS_ESP_REG_SIZE);
 fail_unlink:
@@ -609,9 +611,9 @@ static int __devexit esp_sbus_remove(struct of_device *dev)
 	dma_write32(val & ~DMA_INT_ENAB, DMA_CSR);
 
 	free_irq(irq, esp);
-	sbus_free_consistent(&sdev->ofdev.dev, 16,
-			     esp->command_block,
-			     esp->command_block_dma);
+	dma_free_coherent(&sdev->ofdev.dev, 16,
+			  esp->command_block,
+			  esp->command_block_dma);
 	sbus_iounmap(esp->regs, SBUS_ESP_REG_SIZE);
 	of_iounmap(&dma_of->resource[0], esp->dma_regs,
 		   resource_size(&dma_of->resource[0]));