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qlogicpti: Convert to pure OF driver.

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Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2008-08-27 00:24:00 -07:00
parent 05bb5e93f2
commit 5dc2536bb8
2 changed files with 56 additions and 54 deletions
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108
drivers/scsi/qlogicpti.c
View File

@ -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);

2
drivers/scsi/qlogicpti.h
View File

@ -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];