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pata_pcmcia: Minor cleanups and support for dual channel cards 

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
hifive-unleashed-5.1
Alan Cox 2007-11-19 14:43:07 +00:00 committed by Jeff Garzik
parent c5038fc05d
commit d7b174500e
1 changed files with 17 additions and 14 deletions
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31
drivers/ata/pata_pcmcia.c
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@ -42,7 +42,7 @@
#define DRV_NAME "pata_pcmcia"
#define DRV_VERSION "0.3.2"
#define DRV_VERSION "0.3.3"
/*
* Private data structure to glue stuff together
@ -198,7 +198,6 @@ do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
/**
* pcmcia_init_one - attach a PCMCIA interface
* @pdev: pcmcia device
* @ops: operations for this device
*
* Register a PCMCIA IDE interface. Such interfaces are PIO 0 and
* shared IRQ.
@ -217,9 +216,10 @@ static int pcmcia_init_one(struct pcmcia_device *pdev)
cistpl_cftable_entry_t dflt;
} *stk = NULL;
cistpl_cftable_entry_t *cfg;
int pass, last_ret = 0, last_fn = 0, is_kme = 0, ret = -ENOMEM;
int pass, last_ret = 0, last_fn = 0, is_kme = 0, ret = -ENOMEM, p;
unsigned long io_base, ctl_base;
void __iomem *io_addr, *ctl_addr;
int n_ports = 1;
struct ata_port_operations *ops = &pcmcia_port_ops;
@ -348,7 +348,7 @@ next_entry:
/* FIXME: Could be more ports at base + 0x10 but we only deal with
one right now */
if (pdev->io.NumPorts1 >= 0x20)
printk(KERN_WARNING DRV_NAME ": second channel not yet supported.\n");
n_ports = 2;
if (pdev->manf_id == 0x0097 && pdev->card_id == 0x1620)
ops = &pcmcia_8bit_port_ops;
@ -357,20 +357,23 @@ next_entry:
* sane.
*/
ret = -ENOMEM;
host = ata_host_alloc(&pdev->dev, 1);
host = ata_host_alloc(&pdev->dev, n_ports);
if (!host)
goto failed;
ap = host->ports[0];
ap->ops = ops;
ap->pio_mask = 1; /* ISA so PIO 0 cycles */
ap->flags |= ATA_FLAG_SLAVE_POSS;
ap->ioaddr.cmd_addr = io_addr;
ap->ioaddr.altstatus_addr = ctl_addr;
ap->ioaddr.ctl_addr = ctl_addr;
ata_std_ports(&ap->ioaddr);
for (p = 0; p < n_ports; p++) {
ap = host->ports[p];
ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", io_base, ctl_base);
ap->ops = ops;
ap->pio_mask = 1; /* ISA so PIO 0 cycles */
ap->flags |= ATA_FLAG_SLAVE_POSS;
ap->ioaddr.cmd_addr = io_addr + 0x10 * p;
ap->ioaddr.altstatus_addr = ctl_addr + 0x10 * p;
ap->ioaddr.ctl_addr = ctl_addr + 0x10 * p;
ata_std_ports(&ap->ioaddr);
ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", io_base, ctl_base);
}
/* activate */
ret = ata_host_activate(host, pdev->irq.AssignedIRQ, ata_interrupt,