[PATCH 2.6.20-rc1 10/10] dec_esp: Driver model for the PMAZ-A

From: Maciej W. Rozycki
Date: Wed Dec 20 2006 - 07:03:55 EST

This is a set of changes that converts the PMAZ-A support to the driver
model.

Signed-off-by: Maciej W. Rozycki <macro@xxxxxxxxxxxxxx>
---

The use of the driver model required switching to the hotplug SCSI
initialization model, which in turn required a change to the core NCR53C9x
driver. I decided not to break all the frontend drivers and introduced an
additional parameter for esp_allocate() to select between the old and the
new model. I hope this is OK, but I would be fine with converting
NCR53C9x to the new model unconditionally as long as I do not have to fix
all the other frontends (OK, perhaps I could do some of them ;-) ).

Please apply.

Maciej

patch-2.6.20-rc1-tc-pmaz-a-5
diff -up --recursive --new-file linux-2.6.20-rc1.macro/drivers/scsi/NCR53C9x.c linux-2.6.20-rc1/drivers/scsi/NCR53C9x.c
--- linux-2.6.20-rc1.macro/drivers/scsi/NCR53C9x.c 2006-12-14 01:14:23.000000000 +0000
+++ linux-2.6.20-rc1/drivers/scsi/NCR53C9x.c 2006-12-18 21:29:38.000000000 +0000
@@ -528,12 +528,16 @@ void esp_bootup_reset(struct NCR_ESP *es
/* Allocate structure and insert basic data such as SCSI chip frequency
* data and a pointer to the device
*/
-struct NCR_ESP* esp_allocate(struct scsi_host_template *tpnt, void *esp_dev)
+struct NCR_ESP* esp_allocate(struct scsi_host_template *tpnt, void *esp_dev,
+ int hotplug)
{
struct NCR_ESP *esp, *elink;
struct Scsi_Host *esp_host;

- esp_host = scsi_register(tpnt, sizeof(struct NCR_ESP));
+ if (hotplug)
+ esp_host = scsi_host_alloc(tpnt, sizeof(struct NCR_ESP));
+ else
+ esp_host = scsi_register(tpnt, sizeof(struct NCR_ESP));
if(!esp_host)
panic("Cannot register ESP SCSI host");
esp = (struct NCR_ESP *) esp_host->hostdata;
diff -up --recursive --new-file linux-2.6.20-rc1.macro/drivers/scsi/NCR53C9x.h linux-2.6.20-rc1/drivers/scsi/NCR53C9x.h
--- linux-2.6.20-rc1.macro/drivers/scsi/NCR53C9x.h 2006-12-14 01:14:23.000000000 +0000
+++ linux-2.6.20-rc1/drivers/scsi/NCR53C9x.h 2006-12-18 21:29:38.000000000 +0000
@@ -652,7 +652,7 @@ extern int nesps, esps_in_use, esps_runn

/* External functions */
extern void esp_bootup_reset(struct NCR_ESP *esp, struct ESP_regs *eregs);
-extern struct NCR_ESP *esp_allocate(struct scsi_host_template *, void *);
+extern struct NCR_ESP *esp_allocate(struct scsi_host_template *, void *, int);
extern void esp_deallocate(struct NCR_ESP *);
extern void esp_release(void);
extern void esp_initialize(struct NCR_ESP *);
diff -up --recursive --new-file linux-2.6.20-rc1.macro/drivers/scsi/blz1230.c linux-2.6.20-rc1/drivers/scsi/blz1230.c
--- linux-2.6.20-rc1.macro/drivers/scsi/blz1230.c 2006-12-14 01:14:23.000000000 +0000
+++ linux-2.6.20-rc1/drivers/scsi/blz1230.c 2006-12-18 21:29:38.000000000 +0000
@@ -121,7 +121,8 @@ int __init blz1230_esp_detect(struct scs
*/
address = ZTWO_VADDR(board);
eregs = (struct ESP_regs *)(address + REAL_BLZ1230_ESP_ADDR);
- esp = esp_allocate(tpnt, (void *)board+REAL_BLZ1230_ESP_ADDR);
+ esp = esp_allocate(tpnt, (void *)board + REAL_BLZ1230_ESP_ADDR,
+ 0);

esp_write(eregs->esp_cfg1, (ESP_CONFIG1_PENABLE | 7));
udelay(5);
diff -up --recursive --new-file linux-2.6.20-rc1.macro/drivers/scsi/blz2060.c linux-2.6.20-rc1/drivers/scsi/blz2060.c
--- linux-2.6.20-rc1.macro/drivers/scsi/blz2060.c 2006-12-14 01:14:23.000000000 +0000
+++ linux-2.6.20-rc1/drivers/scsi/blz2060.c 2006-12-18 21:29:38.000000000 +0000
@@ -100,7 +100,7 @@ int __init blz2060_esp_detect(struct scs
unsigned long board = z->resource.start;
if (request_mem_region(board+BLZ2060_ESP_ADDR,
sizeof(struct ESP_regs), "NCR53C9x")) {
- esp = esp_allocate(tpnt, (void *)board+BLZ2060_ESP_ADDR);
+ esp = esp_allocate(tpnt, (void *)board + BLZ2060_ESP_ADDR, 0);

/* Do command transfer with programmed I/O */
esp->do_pio_cmds = 1;
diff -up --recursive --new-file linux-2.6.20-rc1.macro/drivers/scsi/cyberstorm.c linux-2.6.20-rc1/drivers/scsi/cyberstorm.c
--- linux-2.6.20-rc1.macro/drivers/scsi/cyberstorm.c 2006-12-14 01:14:23.000000000 +0000
+++ linux-2.6.20-rc1/drivers/scsi/cyberstorm.c 2006-12-18 21:29:38.000000000 +0000
@@ -126,7 +126,7 @@ int __init cyber_esp_detect(struct scsi_
sizeof(struct ESP_regs));
return 0;
}
- esp = esp_allocate(tpnt, (void *)board+CYBER_ESP_ADDR);
+ esp = esp_allocate(tpnt, (void *)board + CYBER_ESP_ADDR, 0);

/* Do command transfer with programmed I/O */
esp->do_pio_cmds = 1;
diff -up --recursive --new-file linux-2.6.20-rc1.macro/drivers/scsi/cyberstormII.c linux-2.6.20-rc1/drivers/scsi/cyberstormII.c
--- linux-2.6.20-rc1.macro/drivers/scsi/cyberstormII.c 2006-12-14 01:14:23.000000000 +0000
+++ linux-2.6.20-rc1/drivers/scsi/cyberstormII.c 2006-12-18 21:29:38.000000000 +0000
@@ -98,7 +98,7 @@ int __init cyberII_esp_detect(struct scs
address = (unsigned long)ZTWO_VADDR(board);
eregs = (struct ESP_regs *)(address + CYBERII_ESP_ADDR);

- esp = esp_allocate(tpnt, (void *)board+CYBERII_ESP_ADDR);
+ esp = esp_allocate(tpnt, (void *)board + CYBERII_ESP_ADDR, 0);

esp_write(eregs->esp_cfg1, (ESP_CONFIG1_PENABLE | 7));
udelay(5);
diff -up --recursive --new-file linux-2.6.20-rc1.macro/drivers/scsi/dec_esp.c linux-2.6.20-rc1/drivers/scsi/dec_esp.c
--- linux-2.6.20-rc1.macro/drivers/scsi/dec_esp.c 2006-12-14 01:14:23.000000000 +0000
+++ linux-2.6.20-rc1/drivers/scsi/dec_esp.c 2006-12-18 21:29:38.000000000 +0000
@@ -18,7 +18,7 @@
* 20001005 - Initialization fixes for 2.4.0-test9
* Florian Lohoff <flo@xxxxxxxxxx>
*
- * Copyright (C) 2002, 2003, 2005 Maciej W. Rozycki
+ * Copyright (C) 2002, 2003, 2005, 2006 Maciej W. Rozycki
*/

#include <linux/kernel.h>
@@ -30,6 +30,7 @@
#include <linux/proc_fs.h>
#include <linux/spinlock.h>
#include <linux/stat.h>
+#include <linux/tc.h>

#include <asm/dma.h>
#include <asm/irq.h>
@@ -42,7 +43,6 @@
#include <asm/dec/ioasic_ints.h>
#include <asm/dec/machtype.h>
#include <asm/dec/system.h>
-#include <asm/dec/tc.h>

#define DEC_SCSI_SREG 0
#define DEC_SCSI_DMAREG 0x40000
@@ -98,51 +98,33 @@ static irqreturn_t scsi_dma_merr_int(int
static irqreturn_t scsi_dma_err_int(int, void *);
static irqreturn_t scsi_dma_int(int, void *);

-static int dec_esp_detect(struct scsi_host_template * tpnt);
-
-static int dec_esp_release(struct Scsi_Host *shost)
-{
- if (shost->irq)
- free_irq(shost->irq, NULL);
- if (shost->io_port && shost->n_io_port)
- release_region(shost->io_port, shost->n_io_port);
- scsi_unregister(shost);
- return 0;
-}
-
-static struct scsi_host_template driver_template = {
- .proc_name = "dec_esp",
- .proc_info = esp_proc_info,
+static struct scsi_host_template dec_esp_template = {
+ .module = THIS_MODULE,
.name = "NCR53C94",
- .detect = dec_esp_detect,
- .slave_alloc = esp_slave_alloc,
- .slave_destroy = esp_slave_destroy,
- .release = dec_esp_release,
.info = esp_info,
.queuecommand = esp_queue,
.eh_abort_handler = esp_abort,
.eh_bus_reset_handler = esp_reset,
+ .slave_alloc = esp_slave_alloc,
+ .slave_destroy = esp_slave_destroy,
+ .proc_info = esp_proc_info,
+ .proc_name = "dec_esp",
.can_queue = 7,
- .this_id = 7,
.sg_tablesize = SG_ALL,
.cmd_per_lun = 1,
.use_clustering = DISABLE_CLUSTERING,
};

-
-#include "scsi_module.c"
+static struct NCR_ESP *dec_esp_platform;

/***************************************************************** Detection */
-static int dec_esp_detect(struct scsi_host_template * tpnt)
+static int dec_esp_platform_probe(void)
{
struct NCR_ESP *esp;
- struct ConfigDev *esp_dev;
- int slot;
- unsigned long mem_start;
+ int err = 0;

if (IOASIC) {
- esp_dev = 0;
- esp = esp_allocate(tpnt, (void *) esp_dev);
+ esp = esp_allocate(&dec_esp_template, NULL, 1);

/* Do command transfer with programmed I/O */
esp->do_pio_cmds = 1;
@@ -200,112 +182,175 @@ static int dec_esp_detect(struct scsi_ho
/* Check for differential SCSI-bus */
esp->diff = 0;

+ err = request_irq(esp->irq, esp_intr, IRQF_DISABLED,
+ "ncr53c94", esp->ehost);
+ if (err)
+ goto err_alloc;
+ err = request_irq(dec_interrupt[DEC_IRQ_ASC_MERR],
+ scsi_dma_merr_int, IRQF_DISABLED,
+ "ncr53c94 error", esp->ehost);
+ if (err)
+ goto err_irq;
+ err = request_irq(dec_interrupt[DEC_IRQ_ASC_ERR],
+ scsi_dma_err_int, IRQF_DISABLED,
+ "ncr53c94 overrun", esp->ehost);
+ if (err)
+ goto err_irq_merr;
+ err = request_irq(dec_interrupt[DEC_IRQ_ASC_DMA], scsi_dma_int,
+ IRQF_DISABLED, "ncr53c94 dma", esp->ehost);
+ if (err)
+ goto err_irq_err;
+
esp_initialize(esp);

- if (request_irq(esp->irq, esp_intr, IRQF_DISABLED,
- "ncr53c94", esp->ehost))
- goto err_dealloc;
- if (request_irq(dec_interrupt[DEC_IRQ_ASC_MERR],
- scsi_dma_merr_int, IRQF_DISABLED,
- "ncr53c94 error", esp->ehost))
- goto err_free_irq;
- if (request_irq(dec_interrupt[DEC_IRQ_ASC_ERR],
- scsi_dma_err_int, IRQF_DISABLED,
- "ncr53c94 overrun", esp->ehost))
- goto err_free_irq_merr;
- if (request_irq(dec_interrupt[DEC_IRQ_ASC_DMA],
- scsi_dma_int, IRQF_DISABLED,
- "ncr53c94 dma", esp->ehost))
- goto err_free_irq_err;
+ err = scsi_add_host(esp->ehost, NULL);
+ if (err) {
+ printk(KERN_ERR "ESP: Unable to register adapter\n");
+ goto err_irq_dma;
+ }

- }
+ scsi_scan_host(esp->ehost);

- if (TURBOCHANNEL) {
- while ((slot = search_tc_card("PMAZ-AA")) >= 0) {
- claim_tc_card(slot);
-
- esp_dev = 0;
- esp = esp_allocate(tpnt, (void *) esp_dev);
-
- mem_start = get_tc_base_addr(slot);
-
- /* Store base addr into esp struct */
- esp->slot = CPHYSADDR(mem_start);
-
- esp->dregs = 0;
- esp->eregs = (void *)CKSEG1ADDR(mem_start +
- DEC_SCSI_SREG);
- esp->do_pio_cmds = 1;
-
- /* Set the command buffer */
- esp->esp_command = (volatile unsigned char *) pmaz_cmd_buffer;
-
- /* get virtual dma address for command buffer */
- esp->esp_command_dvma = virt_to_phys(pmaz_cmd_buffer);
-
- esp->cfreq = get_tc_speed();
-
- esp->irq = get_tc_irq_nr(slot);
-
- /* Required functions */
- esp->dma_bytes_sent = &dma_bytes_sent;
- esp->dma_can_transfer = &dma_can_transfer;
- esp->dma_dump_state = &dma_dump_state;
- esp->dma_init_read = &pmaz_dma_init_read;
- esp->dma_init_write = &pmaz_dma_init_write;
- esp->dma_ints_off = &pmaz_dma_ints_off;
- esp->dma_ints_on = &pmaz_dma_ints_on;
- esp->dma_irq_p = &dma_irq_p;
- esp->dma_ports_p = &dma_ports_p;
- esp->dma_setup = &pmaz_dma_setup;
-
- /* Optional functions */
- esp->dma_barrier = 0;
- esp->dma_drain = &pmaz_dma_drain;
- esp->dma_invalidate = 0;
- esp->dma_irq_entry = 0;
- esp->dma_irq_exit = 0;
- esp->dma_poll = 0;
- esp->dma_reset = 0;
- esp->dma_led_off = 0;
- esp->dma_led_on = 0;
-
- esp->dma_mmu_get_scsi_one = pmaz_dma_mmu_get_scsi_one;
- esp->dma_mmu_get_scsi_sgl = 0;
- esp->dma_mmu_release_scsi_one = 0;
- esp->dma_mmu_release_scsi_sgl = 0;
- esp->dma_advance_sg = 0;
-
- if (request_irq(esp->irq, esp_intr, IRQF_DISABLED,
- "PMAZ_AA", esp->ehost)) {
- esp_deallocate(esp);
- release_tc_card(slot);
- continue;
- }
- esp->scsi_id = 7;
- esp->diff = 0;
- esp_initialize(esp);
- }
+ dec_esp_platform = esp;
}

- if(nesps) {
- printk("ESP: Total of %d ESP hosts found, %d actually in use.\n", nesps, esps_in_use);
- esps_running = esps_in_use;
- return esps_in_use;
- }
return 0;

-err_free_irq_err:
- free_irq(dec_interrupt[DEC_IRQ_ASC_ERR], scsi_dma_err_int);
-err_free_irq_merr:
- free_irq(dec_interrupt[DEC_IRQ_ASC_MERR], scsi_dma_merr_int);
-err_free_irq:
- free_irq(esp->irq, esp_intr);
-err_dealloc:
+err_irq_dma:
+ free_irq(dec_interrupt[DEC_IRQ_ASC_DMA], esp->ehost);
+err_irq_err:
+ free_irq(dec_interrupt[DEC_IRQ_ASC_ERR], esp->ehost);
+err_irq_merr:
+ free_irq(dec_interrupt[DEC_IRQ_ASC_MERR], esp->ehost);
+err_irq:
+ free_irq(esp->irq, esp->ehost);
+err_alloc:
esp_deallocate(esp);
+ scsi_host_put(esp->ehost);
+ return err;
+}
+
+static int __init dec_esp_probe(struct device *dev)
+{
+ struct NCR_ESP *esp;
+ resource_size_t start, len;
+ int err;
+
+ esp = esp_allocate(&dec_esp_template, NULL, 1);
+
+ dev_set_drvdata(dev, esp);
+
+ start = to_tc_dev(dev)->resource.start;
+ len = to_tc_dev(dev)->resource.end - start + 1;
+
+ if (!request_mem_region(start, len, dev->bus_id)) {
+ printk(KERN_ERR "%s: Unable to reserve MMIO resource\n",
+ dev->bus_id);
+ err = -EBUSY;
+ goto err_alloc;
+ }
+
+ /* Store base addr into esp struct. */
+ esp->slot = start;
+
+ esp->dregs = 0;
+ esp->eregs = (void *)CKSEG1ADDR(start + DEC_SCSI_SREG);
+ esp->do_pio_cmds = 1;
+
+ /* Set the command buffer. */
+ esp->esp_command = (volatile unsigned char *)pmaz_cmd_buffer;
+
+ /* Get virtual dma address for command buffer. */
+ esp->esp_command_dvma = virt_to_phys(pmaz_cmd_buffer);
+
+ esp->cfreq = tc_get_speed(to_tc_dev(dev)->bus);
+
+ esp->irq = to_tc_dev(dev)->interrupt;
+
+ /* Required functions. */
+ esp->dma_bytes_sent = &dma_bytes_sent;
+ esp->dma_can_transfer = &dma_can_transfer;
+ esp->dma_dump_state = &dma_dump_state;
+ esp->dma_init_read = &pmaz_dma_init_read;
+ esp->dma_init_write = &pmaz_dma_init_write;
+ esp->dma_ints_off = &pmaz_dma_ints_off;
+ esp->dma_ints_on = &pmaz_dma_ints_on;
+ esp->dma_irq_p = &dma_irq_p;
+ esp->dma_ports_p = &dma_ports_p;
+ esp->dma_setup = &pmaz_dma_setup;
+
+ /* Optional functions. */
+ esp->dma_barrier = 0;
+ esp->dma_drain = &pmaz_dma_drain;
+ esp->dma_invalidate = 0;
+ esp->dma_irq_entry = 0;
+ esp->dma_irq_exit = 0;
+ esp->dma_poll = 0;
+ esp->dma_reset = 0;
+ esp->dma_led_off = 0;
+ esp->dma_led_on = 0;
+
+ esp->dma_mmu_get_scsi_one = pmaz_dma_mmu_get_scsi_one;
+ esp->dma_mmu_get_scsi_sgl = 0;
+ esp->dma_mmu_release_scsi_one = 0;
+ esp->dma_mmu_release_scsi_sgl = 0;
+ esp->dma_advance_sg = 0;
+
+ err = request_irq(esp->irq, esp_intr, IRQF_DISABLED, "PMAZ_AA",
+ esp->ehost);
+ if (err) {
+ printk(KERN_ERR "%s: Unable to get IRQ %d\n",
+ dev->bus_id, esp->irq);
+ goto err_resource;
+ }
+
+ esp->scsi_id = 7;
+ esp->diff = 0;
+ esp_initialize(esp);
+
+ err = scsi_add_host(esp->ehost, dev);
+ if (err) {
+ printk(KERN_ERR "%s: Unable to register adapter\n",
+ dev->bus_id);
+ goto err_irq;
+ }
+
+ scsi_scan_host(esp->ehost);
+
return 0;
+
+err_irq:
+ free_irq(esp->irq, esp->ehost);
+
+err_resource:
+ release_mem_region(start, len);
+
+err_alloc:
+ esp_deallocate(esp);
+ scsi_host_put(esp->ehost);
+ return err;
}

+static void __exit dec_esp_platform_remove(void)
+{
+ struct NCR_ESP *esp = dec_esp_platform;
+
+ free_irq(esp->irq, esp->ehost);
+ esp_deallocate(esp);
+ scsi_host_put(esp->ehost);
+ dec_esp_platform = NULL;
+}
+
+static void __exit dec_esp_remove(struct device *dev)
+{
+ struct NCR_ESP *esp = dev_get_drvdata(dev);
+
+ free_irq(esp->irq, esp->ehost);
+ esp_deallocate(esp);
+ scsi_host_put(esp->ehost);
+}
+
+
/************************************************************* DMA Functions */
static irqreturn_t scsi_dma_merr_int(int irq, void *dev_id)
{
@@ -576,3 +621,67 @@ static void pmaz_dma_mmu_get_scsi_one(st
{
sp->SCp.ptr = (char *)virt_to_phys(sp->request_buffer);
}
+
+
+#ifdef CONFIG_TC
+static int __init dec_esp_tc_probe(struct device *dev);
+static int __exit dec_esp_tc_remove(struct device *dev);
+
+static const struct tc_device_id dec_esp_tc_table[] = {
+ { "DEC ", "PMAZ-AA " },
+ { }
+};
+MODULE_DEVICE_TABLE(tc, dec_esp_tc_table);
+
+static struct tc_driver dec_esp_tc_driver = {
+ .id_table = dec_esp_tc_table,
+ .driver = {
+ .name = "dec_esp",
+ .bus = &tc_bus_type,
+ .probe = dec_esp_tc_probe,
+ .remove = __exit_p(dec_esp_tc_remove),
+ },
+};
+
+static int __init dec_esp_tc_probe(struct device *dev)
+{
+ int status = dec_esp_probe(dev);
+ if (!status)
+ get_device(dev);
+ return status;
+}
+
+static int __exit dec_esp_tc_remove(struct device *dev)
+{
+ put_device(dev);
+ dec_esp_remove(dev);
+ return 0;
+}
+#endif
+
+static int __init dec_esp_init(void)
+{
+ int status;
+
+ status = tc_register_driver(&dec_esp_tc_driver);
+ if (!status)
+ dec_esp_platform_probe();
+
+ if (nesps) {
+ pr_info("ESP: Total of %d ESP hosts found, "
+ "%d actually in use.\n", nesps, esps_in_use);
+ esps_running = esps_in_use;
+ }
+
+ return status;
+}
+
+static void __exit dec_esp_exit(void)
+{
+ dec_esp_platform_remove();
+ tc_unregister_driver(&dec_esp_tc_driver);
+}
+
+
+module_init(dec_esp_init);
+module_exit(dec_esp_exit);
diff -up --recursive --new-file linux-2.6.20-rc1.macro/drivers/scsi/fastlane.c linux-2.6.20-rc1/drivers/scsi/fastlane.c
--- linux-2.6.20-rc1.macro/drivers/scsi/fastlane.c 2006-12-14 01:14:23.000000000 +0000
+++ linux-2.6.20-rc1/drivers/scsi/fastlane.c 2006-12-18 21:29:38.000000000 +0000
@@ -142,7 +142,7 @@ int __init fastlane_esp_detect(struct sc
if (board < 0x1000000) {
goto err_release;
}
- esp = esp_allocate(tpnt, (void *)board+FASTLANE_ESP_ADDR);
+ esp = esp_allocate(tpnt, (void *)board + FASTLANE_ESP_ADDR, 0);

/* Do command transfer with programmed I/O */
esp->do_pio_cmds = 1;
diff -up --recursive --new-file linux-2.6.20-rc1.macro/drivers/scsi/jazz_esp.c linux-2.6.20-rc1/drivers/scsi/jazz_esp.c
--- linux-2.6.20-rc1.macro/drivers/scsi/jazz_esp.c 2006-12-14 01:14:23.000000000 +0000
+++ linux-2.6.20-rc1/drivers/scsi/jazz_esp.c 2006-12-18 21:29:38.000000000 +0000
@@ -75,7 +75,7 @@ static int jazz_esp_detect(struct scsi_h
*/
if (1) {
esp_dev = NULL;
- esp = esp_allocate(tpnt, (void *) esp_dev);
+ esp = esp_allocate(tpnt, esp_dev, 0);

/* Do command transfer with programmed I/O */
esp->do_pio_cmds = 1;
diff -up --recursive --new-file linux-2.6.20-rc1.macro/drivers/scsi/mac_esp.c linux-2.6.20-rc1/drivers/scsi/mac_esp.c
--- linux-2.6.20-rc1.macro/drivers/scsi/mac_esp.c 2006-12-14 01:14:23.000000000 +0000
+++ linux-2.6.20-rc1/drivers/scsi/mac_esp.c 2006-12-18 21:29:38.000000000 +0000
@@ -351,7 +351,7 @@ int mac_esp_detect(struct scsi_host_temp
for (chipnum = 0; chipnum < chipspresent; chipnum ++) {
struct NCR_ESP * esp;

- esp = esp_allocate(tpnt, (void *) NULL);
+ esp = esp_allocate(tpnt, NULL, 0);
esp->eregs = (struct ESP_regs *) get_base(chipnum);

esp->dma_irq_p = &esp_dafb_dma_irq_p;
diff -up --recursive --new-file linux-2.6.20-rc1.macro/drivers/scsi/mca_53c9x.c linux-2.6.20-rc1/drivers/scsi/mca_53c9x.c
--- linux-2.6.20-rc1.macro/drivers/scsi/mca_53c9x.c 2006-12-14 01:14:23.000000000 +0000
+++ linux-2.6.20-rc1/drivers/scsi/mca_53c9x.c 2006-12-18 21:29:38.000000000 +0000
@@ -122,7 +122,7 @@ static int mca_esp_detect(struct scsi_ho
if ((slot = mca_find_adapter(*id_to_check, 0)) !=
MCA_NOTFOUND)
{
- esp = esp_allocate(tpnt, (void *) NULL);
+ esp = esp_allocate(tpnt, NULL, 0);

pos[0] = mca_read_stored_pos(slot, 2);
pos[1] = mca_read_stored_pos(slot, 3);
diff -up --recursive --new-file linux-2.6.20-rc1.macro/drivers/scsi/oktagon_esp.c linux-2.6.20-rc1/drivers/scsi/oktagon_esp.c
--- linux-2.6.20-rc1.macro/drivers/scsi/oktagon_esp.c 2006-12-14 01:14:23.000000000 +0000
+++ linux-2.6.20-rc1/drivers/scsi/oktagon_esp.c 2006-12-18 21:29:38.000000000 +0000
@@ -133,7 +133,7 @@ int oktagon_esp_detect(struct scsi_host_
eregs = (struct ESP_regs *)(address + OKTAGON_ESP_ADDR);

/* This line was 5 lines lower */
- esp = esp_allocate(tpnt, (void *)board+OKTAGON_ESP_ADDR);
+ esp = esp_allocate(tpnt, (void *)board + OKTAGON_ESP_ADDR, 0);

/* we have to shift the registers only one bit for oktagon */
esp->shift = 1;
diff -up --recursive --new-file linux-2.6.20-rc1.macro/drivers/scsi/sun3x_esp.c linux-2.6.20-rc1/drivers/scsi/sun3x_esp.c
--- linux-2.6.20-rc1.macro/drivers/scsi/sun3x_esp.c 2006-12-14 01:14:23.000000000 +0000
+++ linux-2.6.20-rc1/drivers/scsi/sun3x_esp.c 2006-12-18 21:29:38.000000000 +0000
@@ -53,7 +53,7 @@ int sun3x_esp_detect(struct scsi_host_te
struct ConfigDev *esp_dev;

esp_dev = 0;
- esp = esp_allocate(tpnt, (void *) esp_dev);
+ esp = esp_allocate(tpnt, esp_dev, 0);

/* Do command transfer with DMA */
esp->do_pio_cmds = 0;
-
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