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>

1 files changed, 6 insertions, 19 deletions

diff --git a/drivers/ide/legacy/ide_platform.c b/drivers/ide/legacy/ide_platform.c
index 9a153915f3cf..d1e76fa7869e 100644
--- a/drivers/ide/legacy/ide_platform.c
+++ b/drivers/ide/legacy/ide_platform.c
@@ -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;
-
-        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;
-        }
+        ide_hwif_t *hwif = ide_find_port(port);
+        int i;
 
-        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;
 }