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[PATCH] Char: isicom, remove isa code

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ISA is not supported by this driver, remove parts, that take care of this.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Jiri Slaby 2006-12-08 02:38:51 -08:00 committed by Linus Torvalds
parent ca26200511
commit 18234f88bc
1 changed files with 21 additions and 70 deletions
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91
drivers/char/isicom.c
View file

@ -193,7 +193,6 @@ struct isi_board {
unsigned short shift_count;
struct isi_port * ports;
signed char count;
unsigned char isa;
spinlock_t card_lock; /* Card wide lock 11/5/00 -sameer */
unsigned long flags;
};
@ -562,14 +561,12 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id)
base = card->base;
spin_lock(&card->card_lock);
if (card->isa == NO) {
/*
* disable any interrupts from the PCI card and lower the
* interrupt line
*/
outw(0x8000, base+0x04);
ClearInterrupt(base);
}
/*
* disable any interrupts from the PCI card and lower the
* interrupt line
*/
outw(0x8000, base+0x04);
ClearInterrupt(base);
inw(base); /* get the dummy word out */
header = inw(base);
@ -579,19 +576,13 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id)
if (channel + 1 > card->port_count) {
printk(KERN_WARNING "ISICOM: isicom_interrupt(0x%lx): "
"%d(channel) > port_count.\n", base, channel+1);
if (card->isa)
ClearInterrupt(base);
else
outw(0x0000, base+0x04); /* enable interrupts */
outw(0x0000, base+0x04); /* enable interrupts */
spin_unlock(&card->card_lock);
return IRQ_HANDLED;
}
port = card->ports + channel;
if (!(port->flags & ASYNC_INITIALIZED)) {
if (card->isa)
ClearInterrupt(base);
else
outw(0x0000, base+0x04); /* enable interrupts */
outw(0x0000, base+0x04); /* enable interrupts */
return IRQ_HANDLED;
}
@ -604,10 +595,7 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id)
}
if (byte_count & 0x01)
inw(base);
if (card->isa == YES)
ClearInterrupt(base);
else
outw(0x0000, base+0x04); /* enable interrupts */
outw(0x0000, base+0x04); /* enable interrupts */
spin_unlock(&card->card_lock);
return IRQ_HANDLED;
}
@ -708,10 +696,7 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id)
}
tty_flip_buffer_push(tty);
}
if (card->isa == YES)
ClearInterrupt(base);
else
outw(0x0000, base+0x04); /* enable interrupts */
outw(0x0000, base+0x04); /* enable interrupts */
return IRQ_HANDLED;
}
@ -1561,36 +1546,23 @@ static int __devinit reset_card(struct pci_dev *pdev,
*signature = inw(base + 0x4) & 0xff;
if (board->isa == YES) {
if (!(inw(base + 0xe) & 0x1) || (inw(base + 0x2))) {
dev_dbg(&pdev->dev, "base+0x2=0x%lx, base+0xe=0x%lx\n",
inw(base + 0x2), inw(base + 0xe));
dev_err(&pdev->dev, "ISILoad:ISA Card%d reset failure "
"(Possible bad I/O Port Address 0x%lx).\n",
card + 1, base);
retval = -EIO;
goto end;
}
} else {
portcount = inw(base + 0x2);
if (!(inw(base + 0xe) & 0x1) || ((portcount != 0) &&
(portcount != 4) && (portcount != 8))) {
dev_dbg(&pdev->dev, "base+0x2=0x%lx, base+0xe=0x%lx\n",
inw(base + 0x2), inw(base + 0xe));
dev_err(&pdev->dev, "ISILoad:PCI Card%d reset failure "
"(Possible bad I/O Port Address 0x%lx).\n",
card + 1, base);
retval = -EIO;
goto end;
}
portcount = inw(base + 0x2);
if (!(inw(base + 0xe) & 0x1) || ((portcount != 0) &&
(portcount != 4) && (portcount != 8))) {
dev_dbg(&pdev->dev, "base+0x2=0x%lx, base+0xe=0x%lx\n",
inw(base + 0x2), inw(base + 0xe));
dev_err(&pdev->dev, "ISILoad:PCI Card%d reset failure "
"(Possible bad I/O Port Address 0x%lx).\n",
card + 1, base);
retval = -EIO;
goto end;
}
switch (*signature) {
case 0xa5:
case 0xbb:
case 0xdd:
board->port_count = (board->isa == NO && portcount == 4) ? 4 :
8;
board->port_count = (portcount == 4) ? 4 : 8;
board->shift_count = 12;
break;
case 0xcc:
@ -1784,8 +1756,6 @@ end:
/*
* Insmod can set static symbols so keep these static
*/
static int io[4];
static int irq[4];
static int card;
static int __devinit isicom_probe(struct pci_dev *pdev,
@ -1813,7 +1783,6 @@ static int __devinit isicom_probe(struct pci_dev *pdev,
board->base = ioaddr;
board->irq = pciirq;
board->isa = NO;
card++;
pci_set_drvdata(pdev, board);
@ -1888,20 +1857,6 @@ static int __init isicom_init(void)
}
isi_card[idx].base = 0;
isi_card[idx].irq = 0;
if (!io[idx])
continue;
if (irq[idx] == 2 || irq[idx] == 3 || irq[idx] == 4 ||
irq[idx] == 5 || irq[idx] == 7 ||
irq[idx] == 10 || irq[idx] == 11 ||
irq[idx] == 12 || irq[idx] == 15) {
printk(KERN_ERR "ISICOM: ISA not supported yet.\n");
retval = -EINVAL;
goto error;
} else
printk(KERN_ERR "ISICOM: Irq %d unsupported. "
"Disabling Card%d...\n", irq[idx], idx + 1);
}
/* tty driver structure initialization */
@ -1971,7 +1926,3 @@ module_exit(isicom_exit);
MODULE_AUTHOR("MultiTech");
MODULE_DESCRIPTION("Driver for the ISI series of cards by MultiTech");
MODULE_LICENSE("GPL");
module_param_array(io, int, NULL, 0);
MODULE_PARM_DESC(io, "I/O ports for the cards");
module_param_array(irq, int, NULL, 0);
MODULE_PARM_DESC(irq, "Interrupts for the cards");