ide: add IDE_HFLAG_SERIALIZE host flag

Add IDE_HFLAG_SERIALIZE host flag to tell ide_pci_setup_ports() to set
hwif/mate->serialized and convert aec62xx, cs5530 and sc1200 host drivers
to use it.

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 b12510d21f25..659b60abc259 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1257,6 +1257,8 @@ enum {
         IDE_HFLAG_NO_LBA48_DMA          = (1 << 18),
         /* data FIFO is cleared by an error */
         IDE_HFLAG_ERROR_STOPS_FIFO      = (1 << 19),
+        /* serialize ports */
+        IDE_HFLAG_SERIALIZE             = (1 << 20),
 };
 
 #ifdef CONFIG_BLK_DEV_OFFBOARD