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ide: remove hwif->present manipulations from hwif_init()

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* Call hwif_init() only if hwif->present is set.

* If hwif_init() fails clear hwif->present.

* Remove hwif->present manipulations from hwif_init().

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2008-02-01 23:09:34 +01:00
parent c860a8f2d2
commit 48535651f6
1 changed files with 6 additions and 12 deletions
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18
drivers/ide/ide-probe.c
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@ -1245,28 +1245,21 @@ static int hwif_init(ide_hwif_t *hwif)
{
int old_irq;
/* Return success if no device is connected */
if (!hwif->present)
return 1;
if (!hwif->irq) {
if (!(hwif->irq = ide_default_irq(hwif->io_ports[IDE_DATA_OFFSET])))
{
printk("%s: DISABLED, NO IRQ\n", hwif->name);
return (hwif->present = 0);
return 0;
}
}
#ifdef CONFIG_BLK_DEV_HD
if (hwif->irq == HD_IRQ && hwif->io_ports[IDE_DATA_OFFSET] != HD_DATA) {
printk("%s: CANNOT SHARE IRQ WITH OLD "
"HARDDISK DRIVER (hd.c)\n", hwif->name);
return (hwif->present = 0);
return 0;
}
#endif /* CONFIG_BLK_DEV_HD */
/* we set it back to 1 if all is ok below */
hwif->present = 0;
if (register_blkdev(hwif->major, hwif->name))
return 0;
@ -1305,10 +1298,7 @@ static int hwif_init(ide_hwif_t *hwif)
done:
init_gendisk(hwif);
ide_acpi_init(hwif);
hwif->present = 1; /* success */
return 1;
out:
@ -1352,9 +1342,13 @@ int ide_device_add_all(u8 *idx)
hwif = &ide_hwifs[idx[i]];
if (!hwif->present)
continue;
if (hwif_init(hwif) == 0) {
printk(KERN_INFO "%s: failed to initialize IDE "
"interface\n", hwif->name);
hwif->present = 0;
rc = -1;
continue;
}