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| author | Alan Cox <alan@lxorguk.ukuu.org.uk> | 2007-11-19 14:43:07 +0000 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2008-01-23 05:24:15 -0500 |
| commit | d7b174500e5750099537c7f0bc4873f06b6c1b9a (patch) | |
| tree | 62fa79e8378a236b59be57db2be09ae19b9c8ac3 /drivers/ata/pata_pcmcia.c | |
| parent | c5038fc05d4aa4ae0671776199459690e4c973cb (diff) | |
| download | lwn-d7b174500e5750099537c7f0bc4873f06b6c1b9a.tar.gz lwn-d7b174500e5750099537c7f0bc4873f06b6c1b9a.zip | |
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>
Diffstat (limited to 'drivers/ata/pata_pcmcia.c')
| -rw-r--r-- | drivers/ata/pata_pcmcia.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c index bbd4d70b92de..ceba93b7754e 100644 --- a/drivers/ata/pata_pcmcia.c +++ b/drivers/ata/pata_pcmcia.c @@ -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, |