ide: remove obsoleted "hdx=autotune" kernel parameter

* Remove obsoleted "hdx=autotune" kernel parameter
  (we always auto-tune PIO if possible nowadays).

* Remove no longer needed ide_drive_t.autotune flag.

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

4 files changed, 2 insertions, 15 deletions

diff --git a/Documentation/ide/ide.txt b/Documentation/ide/ide.txt
index eb4d3b7a6214..601e79ecef03 100644
--- a/Documentation/ide/ide.txt
+++ b/Documentation/ide/ide.txt
@@ -196,13 +196,6 @@ Summary of ide driver parameters for kernel command line
 
  "hdx=cyl,head,sect"    : disk drive is present, with specified geometry
 
- "hdx=autotune"         : driver will attempt to tune interface speed
-                          to the fastest PIO mode supported,
-                          if possible for this drive only.
-                          Not fully supported by all chipset types,
-                          and quite likely to cause trouble with
-                          older/odd IDE drives.
-
  "hdx=nodma"            : disallow DMA
 
  "ide=doubler"          : probe/support IDE doublers on Amiga
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 99972fe3e9e4..ace826f52811 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -827,8 +827,7 @@ static void ide_port_tune_devices(ide_hwif_t *hwif)
                 ide_drive_t *drive = &hwif->drives[unit];
 
                 if (drive->present) {
-                        if (drive->autotune)
-                                ide_set_max_pio(drive);
+                        ide_set_max_pio(drive);
 
                         drive->nice1 = 1;
 
@@ -1325,7 +1324,6 @@ static void ide_port_init_devices(ide_hwif_t *hwif)
                         drive->unmask = 1;
                 if (hwif->host_flags & IDE_HFLAG_NO_UNMASK_IRQS)
                         drive->no_unmask = 1;
-                drive->autotune = 1;
         }
 
         if (port_ops && port_ops->port_init_devs)
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index ad34fe98a23c..71fa37979215 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -900,7 +900,7 @@ static int __init ide_setup(char *s)
         if (s[0] == 'h' && s[1] == 'd' && s[2] >= 'a' && s[2] <= max_drive) {
                 const char *hd_words[] = {
                         "none", "noprobe", "nowerr", "cdrom", "nodma",
-                        "autotune", "-7", "-8", "-9", "-10",
+                        "-6", "-7", "-8", "-9", "-10",
                         "noflush", "remap", "remap63", "scsi", NULL };
                 unit = s[2] - 'a';
                 hw   = unit / MAX_DRIVES;
@@ -928,9 +928,6 @@ static int __init ide_setup(char *s)
                         case -5: /* nodma */
                                 drive->nodma = 1;
                                 goto done;
-                        case -6: /* "autotune" */
-                                drive->autotune = 1;
-                                goto obsolete_option;
                         case -11: /* noflush */
                                 drive->noflush = 1;
                                 goto done;
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 0e7d44a6b94a..65dcbcfae162 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -321,7 +321,6 @@ typedef struct ide_drive_s {
         unsigned atapi_overlap  : 1;    /* ATAPI overlap (not supported) */
         unsigned doorlocking    : 1;    /* for removable only: door lock/unlock works */
         unsigned nodma          : 1;    /* disallow DMA */
-        unsigned autotune       : 1;    /* 0=default, 1=autotune */
         unsigned remap_0_to_1   : 1;    /* 0=noremap, 1=remap 0->1 (for EZDrive) */
         unsigned blocked        : 1;    /* 1=powermanagment told us not to do anything, so sleep nicely */
         unsigned vdma           : 1;    /* 1=doing PIO over DMA 0=doing normal DMA */