qlogicpti: Convert to pure OF driver.

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

2 files changed, 56 insertions, 54 deletions

diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c
index e16c56c515f1..b6ce82d3de3d 100644
--- a/drivers/scsi/qlogicpti.c
+++ b/drivers/scsi/qlogicpti.c
@@ -1,6 +1,6 @@
 /* qlogicpti.c: Performance Technologies QlogicISP sbus card driver.
  *
- * Copyright (C) 1996, 2006 David S. Miller (davem@davemloft.net)
+ * Copyright (C) 1996, 2006, 2008 David S. Miller (davem@davemloft.net)
  *
  * A lot of this driver was directly stolen from Erik H. Moe's PCI
  * Qlogic ISP driver.  Mucho kudos to him for this code.
@@ -26,12 +26,13 @@
 #include <linux/module.h>
 #include <linux/jiffies.h>
 #include <linux/dma-mapping.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
 
 #include <asm/byteorder.h>
 
 #include "qlogicpti.h"
 
-#include <asm/sbus.h>
 #include <asm/dma.h>
 #include <asm/system.h>
 #include <asm/ptrace.h>
@@ -685,19 +686,19 @@ static void __devexit qpti_chain_del(struct qlogicpti *qpti)
 
 static int __devinit qpti_map_regs(struct qlogicpti *qpti)
 {
-        struct sbus_dev *sdev = qpti->sdev;
+        struct of_device *op = qpti->op;
 
-        qpti->qregs = sbus_ioremap(&sdev->resource[0], 0,
-                                   sdev->reg_addrs[0].reg_size,
-                                   "PTI Qlogic/ISP");
+        qpti->qregs = of_ioremap(&op->resource[0], 0,
+                                 resource_size(&op->resource[0]),
+                                 "PTI Qlogic/ISP");
         if (!qpti->qregs) {
                 printk("PTI: Qlogic/ISP registers are unmappable\n");
                 return -1;
         }
         if (qpti->is_pti) {
-                qpti->sreg = sbus_ioremap(&sdev->resource[0], (16 * 4096),
-                                          sizeof(unsigned char),
-                                          "PTI Qlogic/ISP statreg");
+                qpti->sreg = of_ioremap(&op->resource[0], (16 * 4096),
+                                        sizeof(unsigned char),
+                                        "PTI Qlogic/ISP statreg");
                 if (!qpti->sreg) {
                         printk("PTI: Qlogic/ISP status register is unmappable\n");
                         return -1;
@@ -708,9 +709,9 @@ static int __devinit qpti_map_regs(struct qlogicpti *qpti)
 
 static int __devinit qpti_register_irq(struct qlogicpti *qpti)
 {
-        struct sbus_dev *sdev = qpti->sdev;
+        struct of_device *op = qpti->op;
 
-        qpti->qhost->irq = qpti->irq = sdev->irqs[0];
+        qpti->qhost->irq = qpti->irq = op->irqs[0];
 
         /* We used to try various overly-clever things to
          * reduce the interrupt processing overhead on
@@ -733,17 +734,19 @@ fail:
 
 static void __devinit qpti_get_scsi_id(struct qlogicpti *qpti)
 {
-        qpti->scsi_id = prom_getintdefault(qpti->prom_node,
-                                           "initiator-id",
-                                           -1);
+        struct of_device *op = qpti->op;
+        struct device_node *dp;
+
+        dp = op->node;
+
+        qpti->scsi_id = of_getintprop_default(dp, "initiator-id", -1);
         if (qpti->scsi_id == -1)
-                qpti->scsi_id = prom_getintdefault(qpti->prom_node,
-                                                   "scsi-initiator-id",
-                                                   -1);
+                qpti->scsi_id = of_getintprop_default(dp, "scsi-initiator-id",
+                                                      -1);
         if (qpti->scsi_id == -1)
                 qpti->scsi_id =
-                        prom_getintdefault(qpti->sdev->bus->prom_node,
-                                           "scsi-initiator-id", 7);
+                        of_getintprop_default(dp->parent,
+                                              "scsi-initiator-id", 7);
         qpti->qhost->this_id = qpti->scsi_id;
         qpti->qhost->max_sectors = 64;
 
@@ -752,12 +755,11 @@ static void __devinit qpti_get_scsi_id(struct qlogicpti *qpti)
 
 static void qpti_get_bursts(struct qlogicpti *qpti)
 {
-        struct sbus_dev *sdev = qpti->sdev;
+        struct of_device *op = qpti->op;
         u8 bursts, bmask;
 
-        bursts = prom_getintdefault(qpti->prom_node, "burst-sizes", 0xff);
-        bmask = prom_getintdefault(sdev->bus->prom_node,
-                                   "burst-sizes", 0xff);
+        bursts = of_getintprop_default(op->node, "burst-sizes", 0xff);
+        bmask = of_getintprop_default(op->node->parent, "burst-sizes", 0xff);
         if (bmask != 0xff)
                 bursts &= bmask;
         if (bursts == 0xff ||
@@ -786,10 +788,10 @@ static void qpti_get_clock(struct qlogicpti *qpti)
  */
 static int __devinit qpti_map_queues(struct qlogicpti *qpti)
 {
-        struct sbus_dev *sdev = qpti->sdev;
+        struct of_device *op = qpti->op;
 
 #define QSIZE(entries)  (((entries) + 1) * QUEUE_ENTRY_LEN)
-        qpti->res_cpu = dma_alloc_coherent(&sdev->ofdev.dev,
+        qpti->res_cpu = dma_alloc_coherent(&op->dev,
                                            QSIZE(RES_QUEUE_LEN),
                                            &qpti->res_dvma, GFP_ATOMIC);
         if (qpti->res_cpu == NULL ||
@@ -798,12 +800,12 @@ static int __devinit qpti_map_queues(struct qlogicpti *qpti)
                 return -1;
         }
 
-        qpti->req_cpu = dma_alloc_coherent(&sdev->ofdev.dev,
+        qpti->req_cpu = dma_alloc_coherent(&op->dev,
                                            QSIZE(QLOGICPTI_REQ_QUEUE_LEN),
                                            &qpti->req_dvma, GFP_ATOMIC);
         if (qpti->req_cpu == NULL ||
             qpti->req_dvma == 0) {
-                dma_free_coherent(&sdev->ofdev.dev, QSIZE(RES_QUEUE_LEN),
+                dma_free_coherent(&op->dev, QSIZE(RES_QUEUE_LEN),
                                   qpti->res_cpu, qpti->res_dvma);
                 printk("QPTI: Cannot map request queue.\n");
                 return -1;
@@ -876,7 +878,7 @@ static inline int load_cmd(struct scsi_cmnd *Cmnd, struct Command_Entry *cmd,
                 int sg_count;
 
                 sg = scsi_sglist(Cmnd);
-                sg_count = dma_map_sg(&qpti->sdev->ofdev.dev, sg,
+                sg_count = dma_map_sg(&qpti->op->dev, sg,
                                       scsi_sg_count(Cmnd),
                                       Cmnd->sc_data_direction);
 
@@ -1153,7 +1155,7 @@ static struct scsi_cmnd *qlogicpti_intr_handler(struct qlogicpti *qpti)
                         Cmnd->result = DID_ERROR << 16;
 
                 if (scsi_bufflen(Cmnd))
-                        dma_unmap_sg(&qpti->sdev->ofdev.dev,
+                        dma_unmap_sg(&qpti->op->dev,
                                      scsi_sglist(Cmnd), scsi_sg_count(Cmnd),
                                      Cmnd->sc_data_direction);
 
@@ -1269,34 +1271,32 @@ static struct scsi_host_template qpti_template = {
         .use_clustering         = ENABLE_CLUSTERING,
 };
 
-static int __devinit qpti_sbus_probe(struct of_device *dev, const struct of_device_id *match)
+static int __devinit qpti_sbus_probe(struct of_device *op, const struct of_device_id *match)
 {
-        static int nqptis;
-        struct sbus_dev *sdev = to_sbus_device(&dev->dev);
-        struct device_node *dp = dev->node;
         struct scsi_host_template *tpnt = match->data;
+        struct device_node *dp = op->node;
         struct Scsi_Host *host;
         struct qlogicpti *qpti;
+        static int nqptis;
         const char *fcode;
 
         /* Sometimes Antares cards come up not completely
          * setup, and we get a report of a zero IRQ.
          */
-        if (sdev->irqs[0] == 0)
+        if (op->irqs[0] == 0)
                 return -ENODEV;
 
         host = scsi_host_alloc(tpnt, sizeof(struct qlogicpti));
         if (!host)
                 return -ENOMEM;
 
-        qpti = (struct qlogicpti *) host->hostdata;
+        qpti = shost_priv(host);
 
         host->max_id = MAX_TARGETS;
         qpti->qhost = host;
-        qpti->sdev = sdev;
+        qpti->op = op;
         qpti->qpti_id = nqptis;
-        qpti->prom_node = sdev->prom_node;
-        strcpy(qpti->prom_name, sdev->ofdev.node->name);
+        strcpy(qpti->prom_name, op->node->name);
         qpti->is_pti = strcmp(qpti->prom_name, "QLGC,isp");
 
         if (qpti_map_regs(qpti) < 0)
@@ -1342,12 +1342,12 @@ static int __devinit qpti_sbus_probe(struct of_device *dev, const struct of_devi
                 (qpti->ultra ? "Ultra" : "Fast"),
                 (qpti->differential ? "differential" : "single ended"));
 
-        if (scsi_add_host(host, &dev->dev)) {
+        if (scsi_add_host(host, &op->dev)) {
                 printk("qlogicpti%d: Failed scsi_add_host\n", qpti->qpti_id);
                 goto fail_unmap_queues;
         }
 
-        dev_set_drvdata(&sdev->ofdev.dev, qpti);
+        dev_set_drvdata(&op->dev, qpti);
 
         qpti_chain_add(qpti);
 
@@ -1358,19 +1358,20 @@ 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)
-        dma_free_coherent(&qpti->sdev->ofdev.dev,
+        dma_free_coherent(&op->dev,
                           QSIZE(RES_QUEUE_LEN),
                           qpti->res_cpu, qpti->res_dvma);
-        dma_free_coherent(&qpti->sdev->ofdev.dev,
+        dma_free_coherent(&op->dev,
                           QSIZE(QLOGICPTI_REQ_QUEUE_LEN),
                           qpti->req_cpu, qpti->req_dvma);
 #undef QSIZE
 
 fail_unmap_regs:
-        sbus_iounmap(qpti->qregs,
-                     qpti->sdev->reg_addrs[0].reg_size);
+        of_iounmap(&op->resource[0], qpti->qregs,
+                   resource_size(&op->resource[0]));
         if (qpti->is_pti)
-                sbus_iounmap(qpti->sreg, sizeof(unsigned char));
+                of_iounmap(&op->resource[0], qpti->sreg,
+                           sizeof(unsigned char));
 
 fail_free_irq:
         free_irq(qpti->irq, qpti);
@@ -1381,9 +1382,9 @@ fail_unlink:
         return -ENODEV;
 }
 
-static int __devexit qpti_sbus_remove(struct of_device *dev)
+static int __devexit qpti_sbus_remove(struct of_device *op)
 {
-        struct qlogicpti *qpti = dev_get_drvdata(&dev->dev);
+        struct qlogicpti *qpti = dev_get_drvdata(&op->dev);
 
         qpti_chain_del(qpti);
 
@@ -1396,17 +1397,18 @@ static int __devexit qpti_sbus_remove(struct of_device *dev)
         free_irq(qpti->irq, qpti);
 
 #define QSIZE(entries)  (((entries) + 1) * QUEUE_ENTRY_LEN)
-        dma_free_coherent(&qpti->sdev->ofdev.dev,
+        dma_free_coherent(&op->dev,
                           QSIZE(RES_QUEUE_LEN),
                           qpti->res_cpu, qpti->res_dvma);
-        dma_free_coherent(&qpti->sdev->ofdev.dev,
+        dma_free_coherent(&op->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);
+        of_iounmap(&op->resource[0], qpti->qregs,
+                   resource_size(&op->resource[0]));
         if (qpti->is_pti)
-                sbus_iounmap(qpti->sreg, sizeof(unsigned char));
+                of_iounmap(&op->resource[0], qpti->sreg, sizeof(unsigned char));
 
         scsi_host_put(qpti->qhost);
 
@@ -1443,7 +1445,7 @@ static struct of_platform_driver qpti_sbus_driver = {
 
 static int __init qpti_init(void)
 {
-        return of_register_driver(&qpti_sbus_driver, &sbus_bus_type);
+        return of_register_driver(&qpti_sbus_driver, &of_bus_type);
 }
 
 static void __exit qpti_exit(void)
@@ -1454,7 +1456,7 @@ static void __exit qpti_exit(void)
 MODULE_DESCRIPTION("QlogicISP SBUS driver");
 MODULE_AUTHOR("David S. Miller (davem@davemloft.net)");
 MODULE_LICENSE("GPL");
-MODULE_VERSION("2.0");
+MODULE_VERSION("2.1");
 
 module_init(qpti_init);
 module_exit(qpti_exit);
diff --git a/drivers/scsi/qlogicpti.h b/drivers/scsi/qlogicpti.h
index ef6da2df584b..9c053bbaa877 100644
--- a/drivers/scsi/qlogicpti.h
+++ b/drivers/scsi/qlogicpti.h
@@ -342,7 +342,7 @@ struct qlogicpti {
         u_int                     req_in_ptr;           /* index of next request slot */
         u_int                     res_out_ptr;          /* index of next result slot  */
         long                      send_marker;          /* must we send a marker?     */
-        struct sbus_dev          *sdev;
+        struct of_device         *op;
         unsigned long             __pad;
 
         int                       cmd_count[MAX_TARGETS];