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ide: add ide_find_port() helper

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* Add ide_find_port() helper.

* Convert icside, rapide and ide_platform host drivers to use it.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz
2007-10-20 00:32:31 +02:00
parent 8447d9d52a
commit baa8f3e94b
5 changed files with 38 additions and 62 deletions
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25
drivers/ide/legacy/ide_platform.c
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@@ -33,24 +33,11 @@ static ide_hwif_t *__devinit plat_ide_locate_hwif(void __iomem *base,
int mmio)
{
unsigned long port = (unsigned long)base;
ide_hwif_t *hwif;
int index, i;
ide_hwif_t *hwif = ide_find_port(port);
int i;
for (index = 0; index < MAX_HWIFS; ++index) {
hwif = ide_hwifs + index;
if (hwif->io_ports[IDE_DATA_OFFSET] == port)
goto found;
}
for (index = 0; index < MAX_HWIFS; ++index) {
hwif = ide_hwifs + index;
if (hwif->io_ports[IDE_DATA_OFFSET] == 0)
goto found;
}
return NULL;
found:
if (hwif == NULL)
goto out;
hwif->hw.io_ports[IDE_DATA_OFFSET] = port;
@@ -73,8 +60,8 @@ found:
}
hwif_prop.hwif = hwif;
hwif_prop.index = index;
hwif_prop.index = hwif->index;
out:
return hwif;
}