ide: add "flagged" taskfile flags to struct ide_taskfile (v2)

* Add ->ftf_flags field to struct ide_taskfile
  and convert flags for TASKFILE ioctl to use it.

* Rename "flagged" taskfile flags:
  - IDE_TFLAG_FLAGGED -> IDE_FTFLAG_FLAGGED
  - IDE_TFLAG_FLAGGED_SET_IN_FLAGS -> IDE_FTFLAG_SET_IN_FLAGS
  - IDE_TFLAG_{OUT,IN}_DATA -> IDE_FTFLAG_{OUT,IN}_DATA

v2:
* Remember to fully update ide-h8300.c, scc_pata.c and tx493{8,9}ide.c
  (thanks to Stephen Rothwell for noticing).

There should be no functional changes caused by this patch.

Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/scc_pata.c b/drivers/ide/scc_pata.c
index ae965da..82929c7 100644
--- a/drivers/ide/scc_pata.c
+++ b/drivers/ide/scc_pata.c
@@ -672,10 +672,10 @@
 	struct ide_taskfile *tf = &task->tf;
 	u8 HIHI = (task->tf_flags & IDE_TFLAG_LBA48) ? 0xE0 : 0xEF;
 
-	if (task->tf_flags & IDE_TFLAG_FLAGGED)
+	if (task->ftf_flags & IDE_FTFLAG_FLAGGED)
 		HIHI = 0xFF;
 
-	if (task->tf_flags & IDE_TFLAG_OUT_DATA)
+	if (task->ftf_flags & IDE_FTFLAG_OUT_DATA)
 		out_be32((void *)io_ports->data_addr,
 			 (tf->hob_data << 8) | tf->data);
 
@@ -711,7 +711,7 @@
 	struct ide_io_ports *io_ports = &drive->hwif->io_ports;
 	struct ide_taskfile *tf = &task->tf;
 
-	if (task->tf_flags & IDE_TFLAG_IN_DATA) {
+	if (task->ftf_flags & IDE_FTFLAG_IN_DATA) {
 		u16 data = (u16)in_be32((void *)io_ports->data_addr);
 
 		tf->data = data & 0xff;