ide: add ide_find_port() helper
* Add ide_find_port() helper.
* Convert icside, rapide and ide_platform host drivers to use it.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/legacy/ide_platform.c b/drivers/ide/legacy/ide_platform.c
index 9a15391..d1e76fa 100644
--- a/drivers/ide/legacy/ide_platform.c
+++ b/drivers/ide/legacy/ide_platform.c
@@ -33,24 +33,11 @@
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 @@
}
hwif_prop.hwif = hwif;
- hwif_prop.index = index;
-
+ hwif_prop.index = hwif->index;
+out:
return hwif;
}