ide: add IDE_HFLAG_4DRIVES host flag

Add IDE_HFLAG_4DRIVES host flag and use it instead of ide_4drives
chipset type in ide_init_port().

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/ide.h b/include/linux/ide.h
index 732a05f3de08..3d4ba8e95d4a 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1327,6 +1327,8 @@ enum {
         IDE_HFLAG_SERIALIZE             = (1 << 20),
         /* host is DTC2278 */
         IDE_HFLAG_DTC2278               = (1 << 21),
+        /* 4 devices on a single set of I/O ports */
+        IDE_HFLAG_4DRIVES               = (1 << 22),
         /* host is TRM290 */
         IDE_HFLAG_TRM290                = (1 << 23),
         /* use 32-bit I/O ops */