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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-10-13 21:39:42 +0200
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-10-13 21:39:42 +0200
commit6ccc6d7ecbb427580d045699e434bc5c6f45e227 (patch)
tree885b73f2ecd57944333280965e77101c9d97c9bf /drivers
parentbfa7d8e55f0c5ae22ef57eb22942c74fdde7b9bd (diff)
ide-generic: no need to probe all ports at once
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/ide/ide-generic.c47
1 files changed, 12 insertions, 35 deletions
diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c
index 0a3cb0c33ae..3104dc8d5b6 100644
--- a/drivers/ide/ide-generic.c
+++ b/drivers/ide/ide-generic.c
@@ -137,10 +137,9 @@ static void ide_generic_check_pci_legacy_iobases(int *primary, int *secondary)
static int __init ide_generic_init(void)
{
- hw_regs_t hw[MAX_HWIFS], *hws[MAX_HWIFS];
- struct ide_host *host;
+ hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
unsigned long io_addr;
- int i, rc, primary = 0, secondary = 0;
+ int i, rc = 0, primary = 0, secondary = 0;
#ifdef CONFIG_MIPS
if (!ide_probe_legacy())
@@ -161,13 +160,9 @@ static int __init ide_generic_init(void)
printk(KERN_INFO DRV_NAME ": enforcing probing of I/O ports "
"upon user request\n");
- memset(hws, 0, sizeof(hw_regs_t *) * MAX_HWIFS);
-
for (i = 0; i < ARRAY_SIZE(legacy_bases); i++) {
io_addr = legacy_bases[i];
- hws[i] = NULL;
-
if ((probe_mask & (1 << i)) && io_addr) {
if (!request_region(io_addr, 8, DRV_NAME)) {
printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX "
@@ -184,45 +179,27 @@ static int __init ide_generic_init(void)
continue;
}
- memset(&hw[i], 0, sizeof(hw[i]));
- ide_std_init_ports(&hw[i], io_addr, io_addr + 0x206);
+ memset(&hw, 0, sizeof(hw));
+ ide_std_init_ports(&hw, io_addr, io_addr + 0x206);
#ifdef CONFIG_IA64
- hw[i].irq = isa_irq_to_vector(legacy_irqs[i]);
+ hw.irq = isa_irq_to_vector(legacy_irqs[i]);
#else
- hw[i].irq = legacy_irqs[i];
+ hw.irq = legacy_irqs[i];
#endif
- hw[i].chipset = ide_generic;
+ hw.chipset = ide_generic;
- hws[i] = &hw[i];
+ rc = ide_host_add(NULL, hws, NULL);
+ if (rc) {
+ release_region(io_addr + 0x206, 1);
+ release_region(io_addr, 8);
+ }
}
}
- host = ide_host_alloc_all(NULL, hws);
- if (host == NULL) {
- rc = -ENOMEM;
- goto err;
- }
-
- rc = ide_host_register(host, NULL, hws);
- if (rc)
- goto err_free;
-
if (ide_generic_sysfs_init())
printk(KERN_ERR DRV_NAME ": failed to create ide_generic "
"class\n");
- return 0;
-err_free:
- ide_host_free(host);
-err:
- for (i = 0; i < MAX_HWIFS; i++) {
- if (hws[i] == NULL)
- continue;
-
- io_addr = hws[i]->io_ports.data_addr;
- release_region(io_addr + 0x206, 1);
- release_region(io_addr, 8);
- }
return rc;
}