Pass struct Scsi_Host * to functions instead of base address.
This reduces the number of parameters and is also required for printk
conversion.
Signed-off-by: Ondrej Zary <li...@rainbow-software.org>
---
drivers/scsi/aha1542.c | 125 ++++++++++++++++++++++++------------------------
1 file changed, 63 insertions(+), 62 deletions(-)
diff --git a/drivers/scsi/aha1542.c b/drivers/scsi/aha1542.c
index 16cb6f9..12b90a2 100644
--- a/drivers/scsi/aha1542.c
+++ b/drivers/scsi/aha1542.c
@@ -217,53 +217,53 @@ static int makecode(unsigned hosterr, unsigned scsierr)
return scsierr | (hosterr << 16);
}
-static int aha1542_test_port(int bse, struct Scsi_Host *sh)
+static int aha1542_test_port(struct Scsi_Host *sh)
{
u8 inquiry_result[4];
int i;
/* Quick and dirty test for presence of the card. */
- if (inb(STATUS(bse)) == 0xff)
+ if (inb(STATUS(sh->io_port)) == 0xff)
return 0;
/* Reset the adapter. I ought to make a hard reset, but it's not really
necessary */
/* In case some other card was probing here, reset interrupts */
- aha1542_intr_reset(bse); /* reset interrupts, so they don't
block */
+ aha1542_intr_reset(sh->io_port); /* reset interrupts, so they
don't block */
- outb(SRST | IRST /*|SCRST */ , CONTROL(bse));
+ outb(SRST | IRST /*|SCRST */ , CONTROL(sh->io_port));
mdelay(20); /* Wait a little bit for things to settle down.
*/
/* Expect INIT and IDLE, any of the others are bad */
- if (!wait_mask(STATUS(bse), STATMASK, INIT | IDLE, STST | DIAGF |
INVDCMD | DF | CDF, 0))
+ if (!wait_mask(STATUS(sh->io_port), STATMASK, INIT | IDLE, STST | DIAGF
| INVDCMD | DF | CDF, 0))
return 0;
/* Shouldn't have generated any interrupts during reset */
- if (inb(INTRFLAGS(bse)) & INTRMASK)
+ if (inb(INTRFLAGS(sh->io_port)) & INTRMASK)
return 0;
/* Perform a host adapter inquiry instead so we do not need to set
up the mailboxes ahead of time */
- aha1542_outb(bse, CMD_INQUIRY);
+ aha1542_outb(sh->io_port, CMD_INQUIRY);
for (i = 0; i < 4; i++) {
- if (!wait_mask(STATUS(bse), DF, DF, 0, 0))
+ if (!wait_mask(STATUS(sh->io_port), DF, DF, 0, 0))
return 0;
- inquiry_result[i] = inb(DATA(bse));
+ inquiry_result[i] = inb(DATA(sh->io_port));
}
/* Reading port should reset DF */
- if (inb(STATUS(bse)) & DF)
+ if (inb(STATUS(sh->io_port)) & DF)
return 0;
/* When HACC, command is completed, and we're though testing */
- if (!wait_mask(INTRFLAGS(bse), HACC, HACC, 0, 0))
+ if (!wait_mask(INTRFLAGS(sh->io_port), HACC, HACC, 0, 0))
return 0;
/* Clear interrupts */
- outb(IRST, CONTROL(bse));
+ outb(IRST, CONTROL(sh->io_port));
return 1;
}
@@ -581,7 +581,7 @@ static int aha1542_queuecommand_lck(struct scsi_cmnd *cmd,
void (*done) (struct
static DEF_SCSI_QCMD(aha1542_queuecommand)
/* Initialize mailboxes */
-static void setup_mailboxes(int bse, struct Scsi_Host *sh)
+static void setup_mailboxes(struct Scsi_Host *sh)
{
struct aha1542_hostdata *aha1542 = shost_priv(sh);
int i;
@@ -594,43 +594,43 @@ static void setup_mailboxes(int bse, struct Scsi_Host *sh)
mb[i].status = mb[AHA1542_MAILBOXES + i].status = 0;
any2scsi(mb[i].ccbptr, isa_virt_to_bus(&ccb[i]));
};
- aha1542_intr_reset(bse); /* reset interrupts, so they don't
block */
+ aha1542_intr_reset(sh->io_port); /* reset interrupts, so they
don't block */
any2scsi((mb_cmd + 2), isa_virt_to_bus(mb));
- if (aha1542_out(bse, mb_cmd, 5))
+ if (aha1542_out(sh->io_port, mb_cmd, 5))
printk(KERN_ERR "aha1542_detect: failed setting up
mailboxes\n");
- aha1542_intr_reset(bse);
+ aha1542_intr_reset(sh->io_port);
}
-static int aha1542_getconfig(int base_io, unsigned int *irq_level, unsigned
char *dma_chan, unsigned int *scsi_id)
+static int aha1542_getconfig(struct Scsi_Host *sh)
{
u8 inquiry_result[3];
int i;
- i = inb(STATUS(base_io));
+ i = inb(STATUS(sh->io_port));
if (i & DF) {
- i = inb(DATA(base_io));
+ i = inb(DATA(sh->io_port));
};
- aha1542_outb(base_io, CMD_RETCONF);
- aha1542_in(base_io, inquiry_result, 3, 0);
- if (!wait_mask(INTRFLAGS(base_io), INTRMASK, HACC, 0, 0))
+ aha1542_outb(sh->io_port, CMD_RETCONF);
+ aha1542_in(sh->io_port, inquiry_result, 3, 0);
+ if (!wait_mask(INTRFLAGS(sh->io_port), INTRMASK, HACC, 0, 0))
printk(KERN_ERR "aha1542_detect: query board settings\n");
- aha1542_intr_reset(base_io);
+ aha1542_intr_reset(sh->io_port);
switch (inquiry_result[0]) {
case 0x80:
- *dma_chan = 7;
+ sh->dma_channel = 7;
break;
case 0x40:
- *dma_chan = 6;
+ sh->dma_channel = 6;
break;
case 0x20:
- *dma_chan = 5;
+ sh->dma_channel = 5;
break;
case 0x01:
- *dma_chan = 0;
+ sh->dma_channel = 0;
break;
case 0:
/* This means that the adapter, although Adaptec 1542
compatible, doesn't use a DMA channel.
Currently only aware of the BusLogic BT-445S VL-Bus adapter
which needs this. */
- *dma_chan = 0xFF;
+ sh->dma_channel = 0xFF;
break;
default:
printk(KERN_ERR "Unable to determine Adaptec DMA priority.
Disabling board\n");
@@ -638,35 +638,35 @@ static int aha1542_getconfig(int base_io, unsigned int
*irq_level, unsigned char
};
switch (inquiry_result[1]) {
case 0x40:
- *irq_level = 15;
+ sh->irq = 15;
break;
case 0x20:
- *irq_level = 14;
+ sh->irq = 14;
break;
case 0x8:
- *irq_level = 12;
+ sh->irq = 12;
break;
case 0x4:
- *irq_level = 11;
+ sh->irq = 11;
break;
case 0x2:
- *irq_level = 10;
+ sh->irq = 10;
break;
case 0x1:
- *irq_level = 9;
+ sh->irq = 9;
break;
default:
printk(KERN_ERR "Unable to determine Adaptec IRQ level.
Disabling board\n");
return -1;
};
- *scsi_id = inquiry_result[2] & 7;
+ sh->this_id = inquiry_result[2] & 7;
return 0;
}
/* This function should only be called for 1542C boards - we can detect
the special firmware settings and unlock the board */
-static int aha1542_mbenable(int base)
+static int aha1542_mbenable(struct Scsi_Host *sh)
{
static u8 mbenable_cmd[3];
static u8 mbenable_result[2];
@@ -674,12 +674,12 @@ static int aha1542_mbenable(int base)
retval = BIOS_TRANSLATION_6432;
- aha1542_outb(base, CMD_EXTBIOS);
- if (aha1542_in(base, mbenable_result, 2, 100))
+ aha1542_outb(sh->io_port, CMD_EXTBIOS);
+ if (aha1542_in(sh->io_port, mbenable_result, 2, 100))
return retval;
- if (!wait_mask(INTRFLAGS(base), INTRMASK, HACC, 0, 100))
+ if (!wait_mask(INTRFLAGS(sh->io_port), INTRMASK, HACC, 0, 100))
goto fail;
- aha1542_intr_reset(base);
+ aha1542_intr_reset(sh->io_port);
if ((mbenable_result[0] & 0x08) || mbenable_result[1]) {
mbenable_cmd[0] = CMD_MBENABLE;
@@ -689,33 +689,34 @@ static int aha1542_mbenable(int base)
if ((mbenable_result[0] & 0x08) && (mbenable_result[1] & 0x03))
retval = BIOS_TRANSLATION_25563;
- if (aha1542_out(base, mbenable_cmd, 3))
+ if (aha1542_out(sh->io_port, mbenable_cmd, 3))
goto fail;
};
while (0) {
fail:
printk(KERN_ERR "aha1542_mbenable: Mailbox init failed\n");
}
- aha1542_intr_reset(base);
+ aha1542_intr_reset(sh->io_port);
return retval;
}
/* Query the board to find out if it is a 1542 or a 1740, or whatever. */
-static int aha1542_query(int base_io, int *transl)
+static int aha1542_query(struct Scsi_Host *sh)
{
+ struct aha1542_hostdata *aha1542 = shost_priv(sh);
u8 inquiry_result[4];
int i;
- i = inb(STATUS(base_io));
+ i = inb(STATUS(sh->io_port));
if (i & DF) {
- i = inb(DATA(base_io));
+ i = inb(DATA(sh->io_port));
};
- aha1542_outb(base_io, CMD_INQUIRY);
- aha1542_in(base_io, inquiry_result, 4, 0);
- if (!wait_mask(INTRFLAGS(base_io), INTRMASK, HACC, 0, 0))
+ aha1542_outb(sh->io_port, CMD_INQUIRY);
+ aha1542_in(sh->io_port, inquiry_result, 4, 0);
+ if (!wait_mask(INTRFLAGS(sh->io_port), INTRMASK, HACC, 0, 0))
printk(KERN_ERR "aha1542_detect: query card type\n");
- aha1542_intr_reset(base_io);
+ aha1542_intr_reset(sh->io_port);
- *transl = BIOS_TRANSLATION_6432; /* Default case */
+ aha1542->bios_translation = BIOS_TRANSLATION_6432; /* Default case
*/
/* For an AHA1740 series board, we ignore the board since there is a
hardware bug which can lead to wrong blocks being returned if the
board
@@ -731,7 +732,7 @@ static int aha1542_query(int base_io, int *transl)
/* Always call this - boards that do not support extended bios
translation
will ignore the command, and we will set the proper default */
- *transl = aha1542_mbenable(base_io);
+ aha1542->bios_translation = aha1542_mbenable(sh);
return 0;
}
@@ -807,13 +808,19 @@ static struct Scsi_Host *aha1542_hw_init(struct
scsi_host_template *tpnt, struct
goto release;
aha1542 = shost_priv(sh);
- if (!aha1542_test_port(base_io, sh))
+ sh->unique_id = base_io;
+ sh->io_port = base_io;
+ sh->n_io_port = AHA1542_REGION_SIZE;
+ aha1542->aha1542_last_mbi_used = 2 * AHA1542_MAILBOXES - 1;
+ aha1542->aha1542_last_mbo_used = AHA1542_MAILBOXES - 1;
+
+ if (!aha1542_test_port(sh))
goto unregister;
aha1542_set_bus_times(indx);
- if (aha1542_query(base_io, &aha1542->bios_translation))
+ if (aha1542_query(sh))
goto unregister;
- if (aha1542_getconfig(base_io, &sh->irq, &sh->dma_channel,
&sh->this_id) == -1)
+ if (aha1542_getconfig(sh) == -1)
goto unregister;
printk(KERN_INFO "Adaptec AHA-1542 (SCSI-ID %d) at IO 0x%x, IRQ %d",
sh->this_id, base_io, sh->irq);
@@ -823,7 +830,7 @@ static struct Scsi_Host *aha1542_hw_init(struct
scsi_host_template *tpnt, struct
if (aha1542->bios_translation == BIOS_TRANSLATION_25563)
printk(KERN_INFO "aha1542.c: Using extended bios
translation\n");
- setup_mailboxes(base_io, sh);
+ setup_mailboxes(sh);
if (request_irq(sh->irq, do_aha1542_intr_handle, 0,
"aha1542", sh)) {
@@ -841,12 +848,6 @@ static struct Scsi_Host *aha1542_hw_init(struct
scsi_host_template *tpnt, struct
}
}
- sh->unique_id = base_io;
- sh->io_port = base_io;
- sh->n_io_port = AHA1542_REGION_SIZE;
- aha1542->aha1542_last_mbi_used = 2 * AHA1542_MAILBOXES - 1;
- aha1542->aha1542_last_mbo_used = AHA1542_MAILBOXES - 1;
-
if (scsi_add_host(sh, pdev))
goto free_dma;
@@ -973,7 +974,7 @@ static int aha1542_reset(struct scsi_cmnd *cmd, u8
reset_cmd)
* us again after host reset.
*/
if (reset_cmd & HRST)
- setup_mailboxes(cmd->device->host->io_port, cmd->device->host);
+ setup_mailboxes(cmd->device->host);
/*
* Now try to pick up the pieces. For all pending commands,
* free any internal data structures, and basically clear things
--
Ondrej Zary
--
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