ide: remove "idex=dma" kernel parameter

It has been obsoleted since 1 Nov 2004, is valid only when used together with
"ide=nodma" kernel parameter (which makes no sense) and only for aec62xx,
cmd64x, cs5220, generic, hpt366, sl82c105, tc86c001 and triflex host drivers.

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

2 files changed, 2 insertions, 6 deletions

diff --git a/Documentation/ide.txt b/Documentation/ide.txt
index 3bb9f9c98611..c1640e306c53 100644
--- a/Documentation/ide.txt
+++ b/Documentation/ide.txt
@@ -278,8 +278,6 @@ Summary of ide driver parameters for kernel command line
  "idex=four"            : four drives on idex and ide(x^1) share same ports
                         
  "idex=reset"           : reset interface after probe
- 
- "idex=dma"             : automatically configure/use DMA if possible.
 
  "idex=ata66"           : informs the interface that it has an 80c cable
                           for chipsets that are ATA-66 capable, but the
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 837822ab6cb1..02336595144a 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -1396,7 +1396,7 @@ static int __init ide_setup(char *s)
                  */
                 static const char *ide_words[] = {
                         "noprobe", "serialize", "minus3", "minus4",
-                        "reset", "dma", "ata66", "minus8", "minus9",
+                        "reset", "minus6", "ata66", "minus8", "minus9",
                         "minus10", "four", "qd65xx", "ht6560b", "cmd640_vlb",
                         "dtc2278", "umc8672", "ali14xx", NULL };
                 hw = s[3] - '0';
@@ -1475,6 +1475,7 @@ static int __init ide_setup(char *s)
                         case -10: /* minus10 */
                         case -9: /* minus9 */
                         case -8: /* minus8 */
+                        case -6:
                         case -4:
                         case -3:
                                 goto bad_option;
@@ -1489,9 +1490,6 @@ static int __init ide_setup(char *s)
 #else
                                 goto bad_hwif;
 #endif
-                        case -6: /* dma */
-                                hwif->autodma = 1;
-                                goto obsolete_option;
                         case -5: /* "reset" */
                                 hwif->reset = 1;
                                 goto obsolete_option;