static int __init ide_arm_init(void)
{
- struct ide_host *host;
unsigned long base = IDE_ARM_IO, ctl = IDE_ARM_IO + 0x206;
hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
hw.irq = IDE_ARM_IRQ;
hw.chipset = ide_generic;
- host = ide_host_alloc(NULL, hws);
- if (host)
- ide_host_register(host, NULL, hws);
-
- return 0;
+ return ide_host_add(NULL, hws, NULL);
}
module_init(ide_arm_init);
struct resource *mem, *irq;
struct ide_host *host;
unsigned long base, rate;
- int i;
+ int i, rc;
hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
clk = clk_get(NULL, "IDECLK");
hw.irq = irq->start;
hw.chipset = ide_palm3710;
- host = ide_host_alloc(&palm_bk3710_port_info, hws);
- if (host == NULL)
+ rc = ide_host_add(&palm_bk3710_port_info, hws, NULL);
+ if (rc)
goto out;
- ide_host_register(host, &palm_bk3710_port_info, hws);
-
return 0;
out:
printk(KERN_WARNING "Palm Chip BK3710 IDE Register Fail\n");
- return -ENODEV;
+ return rc;
}
/* work with hotplug and coldplug */
hw.chipset = ide_generic;
hw.dev = &ec->dev;
- host = ide_host_alloc(&rapide_port_info, hws);
- if (host == NULL) {
- ret = -ENOENT;
+ ret = ide_host_add(&rapide_port_info, hws, &host);
+ if (ret)
goto release;
- }
-
- ide_host_register(host, &rapide_port_info, hws);
ecard_set_drvdata(ec, host);
goto out;
static int __init h8300_ide_init(void)
{
- struct ide_host *host;
hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
printk(KERN_INFO DRV_NAME ": H8/300 generic IDE interface\n");
hw_setup(&hw);
- host = ide_host_alloc(&h8300_port_info, hws);
- if (host == NULL)
- return -ENOENT;
-
- ide_host_register(host, &h8300_port_info, hws);
-
- return 0;
+ return ide_host_add(&h8300_port_info, hws, NULL);
out_busy:
printk(KERN_ERR "ide-h8300: IDE I/F resource already used.\n");
static ssize_t store_add(struct class *cls, const char *buf, size_t n)
{
- struct ide_host *host;
unsigned int base, ctl;
- int irq;
+ int irq, rc;
hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
if (sscanf(buf, "%x:%x:%d", &base, &ctl, &irq) != 3)
hw.irq = irq;
hw.chipset = ide_generic;
- host = ide_host_alloc(NULL, hws);
- if (host == NULL)
- return -ENOENT;
-
- ide_host_register(host, NULL, hws);
+ rc = ide_host_add(NULL, hws, NULL);
+ if (rc)
+ return rc;
return n;
};
{
struct ide_host *host;
unsigned long base, ctl;
+ int rc;
hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
printk(KERN_INFO DRV_NAME ": generic PnP IDE interface\n");
hw.irq = pnp_irq(dev, 0);
hw.chipset = ide_generic;
- host = ide_host_alloc(NULL, hws);
- if (host) {
- pnp_set_drvdata(dev, host);
+ rc = ide_host_add(NULL, hws, &host);
+ if (rc)
+ goto out;
- ide_host_register(host, NULL, hws);
-
- return 0;
- }
+ pnp_set_drvdata(dev, host);
+ return 0;
+out:
release_region(ctl, 1);
release_region(base, 8);
- return -1;
+ return rc;
}
static void idepnp_remove(struct pnp_dev *dev)
}
EXPORT_SYMBOL_GPL(ide_host_register);
+int ide_host_add(const struct ide_port_info *d, hw_regs_t **hws,
+ struct ide_host **hostp)
+{
+ struct ide_host *host;
+
+ host = ide_host_alloc(d, hws);
+ if (host == NULL)
+ return -ENOMEM;
+
+ ide_host_register(host, d, hws);
+
+ if (hostp)
+ *hostp = host;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(ide_host_add);
+
void ide_host_remove(struct ide_host *host)
{
int i;
int ide_legacy_device_add(const struct ide_port_info *d, unsigned long config)
{
- struct ide_host *host;
hw_regs_t hw[2], *hws[] = { NULL, NULL, NULL, NULL };
memset(&hw, 0, sizeof(hw));
(d->host_flags & IDE_HFLAG_SINGLE))
return -ENOENT;
- host = ide_host_alloc(d, hws);
- if (host == NULL)
- return -ENOMEM;
-
- ide_host_register(host, d, hws);
-
- return 0;
+ return ide_host_add(d, hws, NULL);
}
EXPORT_SYMBOL_GPL(ide_legacy_device_add);
static int __init buddha_init(void)
{
struct zorro_dev *z = NULL;
- struct ide_host *host;
u_long buddha_board = 0;
BuddhaType type;
int buddha_num_hwifs, i;
hws[i] = &hw[i];
}
- host = ide_host_alloc(NULL, hws);
- if (host)
- ide_host_register(host, NULL, hws);
+ ide_host_add(NULL, hws, NULL);
}
return 0;
unsigned long phys_base, res_start, res_n;
unsigned long base, ctrlport, irqport;
ide_ack_intr_t *ack_intr;
- struct ide_host *host;
int a4000, i;
hw_regs_t hw[GAYLE_NUM_HWIFS], *hws[] = { NULL, NULL, NULL, NULL };
hws[i] = &hw[i];
}
- host = ide_host_alloc(NULL, hws);
- if (host)
- ide_host_register(host, NULL, hws);
-
- return 0;
+ return ide_host_add(NULL, hws, NULL);
}
module_init(gayle_init);
static int __init ide_4drives_init(void)
{
- struct ide_host *host;
unsigned long base = 0x1f0, ctl = 0x3f6;
hw_regs_t hw, *hws[] = { &hw, &hw, NULL, NULL };
hw.irq = 14;
hw.chipset = ide_4drives;
- host = ide_host_alloc(&ide_4drives_port_info, hws);
- if (host)
- ide_host_register(host, &ide_4drives_port_info, hws);
-
- return 0;
+ return ide_host_add(&ide_4drives_port_info, hws, NULL);
}
module_init(ide_4drives_init);
{
struct ide_host *host;
ide_hwif_t *hwif;
- int i;
+ int i, rc;
hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
if (!request_region(io, 8, DRV_NAME)) {
hw.chipset = ide_pci;
hw.dev = &handle->dev;
- host = ide_host_alloc(&idecs_port_info, hws);
- if (host == NULL)
+ rc = ide_host_add(&idecs_port_info, hws, &host);
+ if (rc)
goto out_release;
- ide_host_register(host, &idecs_port_info, hws);
-
hwif = host->ports[0];
if (hwif->present)
if (mmio)
d.host_flags |= IDE_HFLAG_MMIO;
- host = ide_host_alloc(&d, hws);
- if (host == NULL) {
- ret = -ENODEV;
+ ret = ide_host_add(&d, hws, &host);
+ if (ret)
goto out;
- }
-
- ide_host_register(host, &d, hws);
platform_set_drvdata(pdev, host);
static int __init macide_init(void)
{
ide_ack_intr_t *ack_intr;
- struct ide_host *host;
unsigned long base;
int irq;
hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
macide_setup_ports(&hw, base, irq, ack_intr);
- host = ide_host_alloc(NULL, hws);
- if (host)
- ide_host_register(host, NULL, hws);
-
- return 0;
+ return ide_host_add(NULL, hws, NULL);
}
module_init(macide_init);
static int __init q40ide_init(void)
{
- struct ide_host *host;
int i;
hw_regs_t hw[Q40IDE_NUM_HWIFS], *hws[] = { NULL, NULL, NULL, NULL };
hws[i] = &hw[i];
}
- host = ide_host_alloc(&q40ide_port_info, hws);
- if (host)
- ide_host_register(host, &q40ide_port_info, hws);
-
- return 0;
+ return ide_host_add(&q40ide_port_info, hws, NULL);
}
module_init(q40ide_init);
hw.dev = dev;
hw.chipset = ide_au1xxx;
- host = ide_host_alloc(&au1xxx_port_info, hws);
- if (host == NULL) {
- ret = -ENOENT;
+ ret = ide_host_add(&au1xxx_port_info, hws, &host);
+ if (ret)
goto out;
- }
-
- ide_host_register(host, &au1xxx_port_info, hws);
auide_hwif.hwif = host->ports[0];
u8 __iomem *base;
struct ide_host *host;
phys_t offset, size;
- int i;
+ int i, rc;
hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
if (!SIBYTE_HAVE_IDE)
hw.irq = K_INT_GB_IDE;
hw.chipset = ide_generic;
- host = ide_host_alloc(&swarm_port_info, hws);
- if (host == NULL)
+ rc = ide_host_add(&swarm_port_info, hws, &host);
+ if (rc)
goto err;
- ide_host_register(host, &swarm_port_info, hws);
-
dev_set_drvdata(dev, host);
return 0;
err:
release_resource(&swarm_ide_resource);
iounmap(base);
- return -ENOMEM;
+ return rc;
}
static struct device_driver swarm_ide_driver = {
*/
static int __init cmd640x_init(void)
{
- struct ide_host *host;
int second_port_cmd640 = 0, rc;
const char *bus_type, *port2;
u8 b, cfr;
cmd640_dump_regs();
#endif
- host = ide_host_alloc(&cmd640_port_info, hws);
- if (host)
- ide_host_register(host, &cmd640_port_info, hws);
-
- return 1;
+ return ide_host_add(&cmd640_port_info, hws, NULL);
}
module_param_named(probe_vlb, cmd640_vlb, bool, 0);
static int __devinit cs5520_init_one(struct pci_dev *dev, const struct pci_device_id *id)
{
- struct ide_host *host;
const struct ide_port_info *d = &cyrix_chipsets[id->driver_data];
hw_regs_t hw[4], *hws[] = { NULL, NULL, NULL, NULL };
ide_pci_setup_ports(dev, d, 14, &hw[0], &hws[0]);
- host = ide_host_alloc(d, hws);
- if (host)
- ide_host_register(host, d, hws);
-
- return 0;
+ return ide_host_add(d, hws, NULL);
}
static const struct pci_device_id cs5520_pci_tbl[] = {
hw.dev = &dev->dev;
hw.chipset = ide_pci; /* this enables IRQ sharing */
- host = ide_host_alloc(&delkin_cb_port_info, hws);
- if (host == NULL)
+ rc = ide_host_add(&delkin_cb_port_info, hws, &host);
+ if (rc)
goto out_disable;
- ide_host_register(host, &delkin_cb_port_info, hws);
-
pci_set_drvdata(dev, host);
return 0;
out_disable:
pci_release_regions(dev);
pci_disable_device(dev);
- return -ENODEV;
+ return rc;
}
static void
struct scc_ports *ports = pci_get_drvdata(dev);
struct ide_host *host;
hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
- int i;
+ int i, rc;
memset(&hw, 0, sizeof(hw));
for (i = 0; i <= 8; i++)
hw.dev = &dev->dev;
hw.chipset = ide_pci;
- host = ide_host_alloc(d, hws);
- if (host == NULL)
- return -ENOMEM;
-
- ide_host_register(host, d, hws);
+ rc = ide_host_add(d, hws, &host);
+ if (rc)
+ return rc;
ports->host = host;
ide_hwif_t *hwif;
hw_regs_t *hws[] = { hw, NULL, NULL, NULL };
struct ide_port_info d = pmac_port_info;
+ int rc;
pmif->broken_dma = pmif->broken_dma_warn = 0;
if (of_device_is_compatible(np, "shasta-ata")) {
pmif->mdev ? "macio" : "PCI", pmif->aapl_bus_id,
pmif->mediabay ? " (mediabay)" : "", hw->irq);
- host = ide_host_alloc(&d, hws);
- if (host == NULL)
- return -ENOENT;
-
- ide_host_register(host, &d, hws);
+ rc = ide_host_add(&d, hws, &host);
+ if (rc)
+ return rc;
hwif = host->ports[0];
int ide_setup_pci_device(struct pci_dev *dev, const struct ide_port_info *d)
{
- struct ide_host *host;
hw_regs_t hw[4], *hws[] = { NULL, NULL, NULL, NULL };
int ret;
/* FIXME: silent failure can happen */
ide_pci_setup_ports(dev, d, ret, &hw[0], &hws[0]);
- host = ide_host_alloc(d, hws);
- if (host)
- ide_host_register(host, d, hws);
+ ret = ide_host_add(d, hws, NULL);
}
return ret;
const struct ide_port_info *d)
{
struct pci_dev *pdev[] = { dev1, dev2 };
- struct ide_host *host;
int ret, i;
hw_regs_t hw[4], *hws[] = { NULL, NULL, NULL, NULL };
ide_pci_setup_ports(pdev[i], d, ret, &hw[i*2], &hws[i*2]);
}
- host = ide_host_alloc(d, hws);
- if (host)
- ide_host_register(host, d, hws);
+ ret = ide_host_add(d, hws, NULL);
out:
return ret;
}
struct ide_host *ide_host_alloc(const struct ide_port_info *, hw_regs_t **);
int ide_host_register(struct ide_host *, const struct ide_port_info *,
hw_regs_t **);
+int ide_host_add(const struct ide_port_info *, hw_regs_t **,
+ struct ide_host **);
void ide_host_remove(struct ide_host *);
int ide_legacy_device_add(const struct ide_port_info *, unsigned long);
void ide_port_unregister_devices(ide_hwif_t *);