aboutsummaryrefslogtreecommitdiff
path: root/drivers/scsi/arm/powertec.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/arm/powertec.c')
-rw-r--r--drivers/scsi/arm/powertec.c79
1 files changed, 29 insertions, 50 deletions
diff --git a/drivers/scsi/arm/powertec.c b/drivers/scsi/arm/powertec.c
index abda216113f..5e1b73e1b74 100644
--- a/drivers/scsi/arm/powertec.c
+++ b/drivers/scsi/arm/powertec.c
@@ -12,7 +12,6 @@
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/ioport.h>
-#include <linux/sched.h>
#include <linux/proc_fs.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
@@ -22,7 +21,6 @@
#include <asm/dma.h>
#include <asm/ecard.h>
#include <asm/io.h>
-#include <asm/irq.h>
#include <asm/pgtable.h>
#include "../scsi.h"
@@ -113,10 +111,8 @@ powertecscsi_terminator_ctl(struct Scsi_Host *host, int on_off)
* Purpose : handle interrupts from Powertec SCSI card
* Params : irq - interrupt number
* dev_id - user-defined (Scsi_Host structure)
- * regs - processor registers at interrupt
*/
-static irqreturn_t
-powertecscsi_intr(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t powertecscsi_intr(int irq, void *dev_id)
{
struct powertec_info *info = dev_id;
@@ -132,7 +128,7 @@ powertecscsi_intr(int irq, void *dev_id, struct pt_regs *regs)
* Returns : type of transfer to be performed
*/
static fasdmatype_t
-powertecscsi_dma_setup(struct Scsi_Host *host, Scsi_Pointer *SCp,
+powertecscsi_dma_setup(struct Scsi_Host *host, struct scsi_pointer *SCp,
fasdmadir_t direction, fasdmatype_t min_type)
{
struct powertec_info *info = (struct powertec_info *)host->hostdata;
@@ -152,10 +148,10 @@ powertecscsi_dma_setup(struct Scsi_Host *host, Scsi_Pointer *SCp,
map_dir = DMA_FROM_DEVICE,
dma_dir = DMA_MODE_READ;
- dma_map_sg(dev, info->sg, bufs + 1, map_dir);
+ dma_map_sg(dev, info->sg, bufs, map_dir);
disable_dma(dmach);
- set_dma_sg(dmach, info->sg, bufs + 1);
+ set_dma_sg(dmach, info->sg, bufs);
set_dma_mode(dmach, dma_dir);
enable_dma(dmach);
return fasdma_real_all;
@@ -174,7 +170,7 @@ powertecscsi_dma_setup(struct Scsi_Host *host, Scsi_Pointer *SCp,
* SCpnt - command
*/
static void
-powertecscsi_dma_stop(struct Scsi_Host *host, Scsi_Pointer *SCp)
+powertecscsi_dma_stop(struct Scsi_Host *host, struct scsi_pointer *SCp)
{
struct powertec_info *info = (struct powertec_info *)host->hostdata;
if (info->info.scsi.dma != NO_DMA)
@@ -236,37 +232,25 @@ powertecscsi_set_proc_info(struct Scsi_Host *host, char *buffer, int length)
* Params : buffer - a buffer to write information to
* start - a pointer into this buffer set by this routine to the start
* of the required information.
- * offset - offset into information that we have read upto.
+ * offset - offset into information that we have read up to.
* length - length of buffer
* inout - 0 for reading, 1 for writing.
* Returns : length of data written to buffer.
*/
-int powertecscsi_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
- int length, int inout)
+static int powertecscsi_show_info(struct seq_file *m, struct Scsi_Host *host)
{
struct powertec_info *info;
- char *p = buffer;
- int pos;
-
- if (inout == 1)
- return powertecscsi_set_proc_info(host, buffer, length);
info = (struct powertec_info *)host->hostdata;
- p += sprintf(p, "PowerTec SCSI driver v%s\n", VERSION);
- p += fas216_print_host(&info->info, p);
- p += sprintf(p, "Term : o%s\n",
+ seq_printf(m, "PowerTec SCSI driver v%s\n", VERSION);
+ fas216_print_host(&info->info, m);
+ seq_printf(m, "Term : o%s\n",
info->term_ctl ? "n" : "ff");
- p += fas216_print_stats(&info->info, p);
- p += fas216_print_devices(&info->info, p);
-
- *start = buffer + offset;
- pos = p - buffer - offset;
- if (pos > length)
- pos = length;
-
- return pos;
+ fas216_print_stats(&info->info, m);
+ fas216_print_devices(&info->info, m);
+ return 0;
}
static ssize_t powertecscsi_show_term(struct device *dev, struct device_attribute *attr, char *buf)
@@ -293,9 +277,10 @@ powertecscsi_store_term(struct device *dev, struct device_attribute *attr, const
static DEVICE_ATTR(bus_term, S_IRUGO | S_IWUSR,
powertecscsi_show_term, powertecscsi_store_term);
-static Scsi_Host_Template powertecscsi_template = {
+static struct scsi_host_template powertecscsi_template = {
.module = THIS_MODULE,
- .proc_info = powertecscsi_proc_info,
+ .show_info = powertecscsi_show_info,
+ .write_info = powertecscsi_set_proc_info,
.name = "PowerTec SCSI",
.info = powertecscsi_info,
.queuecommand = fas216_queue_command,
@@ -306,18 +291,18 @@ static Scsi_Host_Template powertecscsi_template = {
.can_queue = 8,
.this_id = 7,
- .sg_tablesize = SG_ALL,
+ .sg_tablesize = SCSI_MAX_SG_CHAIN_SEGMENTS,
+ .dma_boundary = IOMD_DMA_BOUNDARY,
.cmd_per_lun = 2,
.use_clustering = ENABLE_CLUSTERING,
.proc_name = "powertec",
};
-static int __devinit
-powertecscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
+static int powertecscsi_probe(struct expansion_card *ec,
+ const struct ecard_id *id)
{
struct Scsi_Host *host;
struct powertec_info *info;
- unsigned long resbase, reslen;
void __iomem *base;
int ret;
@@ -325,9 +310,7 @@ powertecscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
if (ret)
goto out;
- resbase = ecard_resource_start(ec, ECARD_RES_IOCFAST);
- reslen = ecard_resource_len(ec, ECARD_RES_IOCFAST);
- base = ioremap(resbase, reslen);
+ base = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0);
if (!base) {
ret = -ENOMEM;
goto out_region;
@@ -337,7 +320,7 @@ powertecscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
sizeof (struct powertec_info));
if (!host) {
ret = -ENOMEM;
- goto out_unmap;
+ goto out_region;
}
ecard_set_drvdata(ec, host);
@@ -346,6 +329,7 @@ powertecscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
info->base = base;
powertecscsi_terminator_ctl(host, term[ec->slot_no]);
+ info->ec = ec;
info->info.scsi.io_base = base + POWERTEC_FAS216_OFFSET;
info->info.scsi.io_shift = POWERTEC_FAS216_SHIFT;
info->info.scsi.irq = ec->irq;
@@ -364,8 +348,8 @@ powertecscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
ec->irqaddr = base + POWERTEC_INTR_STATUS;
ec->irqmask = POWERTEC_INTR_BIT;
- ec->irq_data = info;
- ec->ops = &powertecscsi_ops;
+
+ ecard_setirq(ec, &powertecscsi_ops, info);
device_create_file(&ec->dev, &dev_attr_bus_term);
@@ -374,7 +358,7 @@ powertecscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
goto out_free;
ret = request_irq(ec->irq, powertecscsi_intr,
- SA_INTERRUPT, "powertec", info);
+ 0, "powertec", info);
if (ret) {
printk("scsi%d: IRQ%d not free: %d\n",
host->host_no, ec->irq, ret);
@@ -407,9 +391,6 @@ powertecscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
device_remove_file(&ec->dev, &dev_attr_bus_term);
scsi_host_put(host);
- out_unmap:
- iounmap(base);
-
out_region:
ecard_release_resources(ec);
@@ -417,7 +398,7 @@ powertecscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
return ret;
}
-static void __devexit powertecscsi_remove(struct expansion_card *ec)
+static void powertecscsi_remove(struct expansion_card *ec)
{
struct Scsi_Host *host = ecard_get_drvdata(ec);
struct powertec_info *info = (struct powertec_info *)host->hostdata;
@@ -431,8 +412,6 @@ static void __devexit powertecscsi_remove(struct expansion_card *ec)
free_dma(info->info.scsi.dma);
free_irq(ec->irq, info);
- iounmap(info->base);
-
fas216_release(host);
scsi_host_put(host);
ecard_release_resources(ec);
@@ -445,7 +424,7 @@ static const struct ecard_id powertecscsi_cids[] = {
static struct ecard_driver powertecscsi_driver = {
.probe = powertecscsi_probe,
- .remove = __devexit_p(powertecscsi_remove),
+ .remove = powertecscsi_remove,
.id_table = powertecscsi_cids,
.drv = {
.name = "powertecscsi",
@@ -467,6 +446,6 @@ module_exit(powertecscsi_exit);
MODULE_AUTHOR("Russell King");
MODULE_DESCRIPTION("Powertec SCSI driver");
-MODULE_PARM(term, "1-8i");
+module_param_array(term, int, NULL, 0);
MODULE_PARM_DESC(term, "SCSI bus termination");
MODULE_LICENSE("GPL");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 21:56:07 +0000