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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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24
drivers/ide/arm/icside.c
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@@ -438,35 +438,13 @@ static void icside_dma_init(ide_hwif_t *hwif)
#define icside_dma_init(hwif) (0)
#endif
static ide_hwif_t *icside_find_hwif(unsigned long dataport)
{
ide_hwif_t *hwif;
int index;
for (index = 0; index < MAX_HWIFS; ++index) {
hwif = &ide_hwifs[index];
if (hwif->io_ports[IDE_DATA_OFFSET] == dataport)
goto found;
}
for (index = 0; index < MAX_HWIFS; ++index) {
hwif = &ide_hwifs[index];
if (!hwif->io_ports[IDE_DATA_OFFSET])
goto found;
}
hwif = NULL;
found:
return hwif;
}
static ide_hwif_t *
icside_setup(void __iomem *base, struct cardinfo *info, struct expansion_card *ec)
{
unsigned long port = (unsigned long)base + info->dataoffset;
ide_hwif_t *hwif;
hwif = icside_find_hwif(port);
hwif = ide_find_port(port);
if (hwif) {
int i;