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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-04-27 15:38:30 +0200
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2008-04-27 15:38:30 +0200
commit9dcba7f2b7697db787741cf6698bf5c95130ffce (patch)
tree2958283804386fb9a3259906b8b28d39cf00aab9
parent4706a7e03a03d6d206a93a49a0c723dd612cf8e9 (diff)
gayle: add "doubler" parameter
* Add "doubler" parameter to enable support for IDE doublers. * Obsolete "ide=doubler" kernel parameter. Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
-rw-r--r--Documentation/ide/ide.txt9
-rw-r--r--drivers/ide/ide.c2
-rw-r--r--drivers/ide/legacy/gayle.c2
3 files changed, 6 insertions, 7 deletions
diff --git a/Documentation/ide/ide.txt b/Documentation/ide/ide.txt
index caf24b21e7f5..0c78f4b1d9d9 100644
--- a/Documentation/ide/ide.txt
+++ b/Documentation/ide/ide.txt
@@ -181,12 +181,6 @@ driver using the "options=" keyword to insmod, while replacing any ',' with
Summary of ide driver parameters for kernel command line
--------------------------------------------------------
- "ide=doubler" : probe/support IDE doublers on Amiga
-
-There may be more options than shown -- use the source, Luke!
-
-Everything else is rejected with a "BAD OPTION" message.
-
For legacy IDE VLB host drivers (ali14xx/dtc2278/ht6560b/qd65xx/umc8672)
you need to explicitly enable probing by using "probe" kernel parameter,
i.e. to enable probing for ALI M14xx chipsets (ali14xx host driver) use:
@@ -203,6 +197,9 @@ are detected automatically).
You also need to use "probe" kernel parameter for ide-4drives driver
(support for IDE generic chipset with four drives on one port).
+To enable support for IDE doublers on Amiga use "doubler" kernel parameter
+for gayle host driver (i.e. "gayle.doubler" if the driver is built-in).
+
To force ignoring cable detection (this should be needed only if you're using
short 40-wires cable which cannot be automatically detected - if this is not
a case please report it as a bug instead) use "ignore_cable" kernel parameter:
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index a4bceeecde70..a017eb242604 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -866,7 +866,7 @@ static int __init ide_setup(char *s)
printk(" : Enabled support for IDE doublers\n");
ide_doubler = 1;
- return 1;
+ goto obsolete_option;
}
#endif /* CONFIG_BLK_DEV_IDEDOUBLER */
diff --git a/drivers/ide/legacy/gayle.c b/drivers/ide/legacy/gayle.c
index a0c9601bdaf0..61a713bf24b5 100644
--- a/drivers/ide/legacy/gayle.c
+++ b/drivers/ide/legacy/gayle.c
@@ -63,6 +63,8 @@
#define GAYLE_HAS_CONTROL_REG (!ide_doubler)
#define GAYLE_IDEREG_SIZE (ide_doubler ? 0x1000 : 0x2000)
int ide_doubler = 0; /* support IDE doublers? */
+module_param_named(doubler, ide_doubler, bool, 0);
+MODULE_PARM_DESC(doubler, "enable support for IDE doublers");
#endif /* CONFIG_BLK_DEV_IDEDOUBLER */