From: Bartlomiej Zolnierkiewicz Date: Sun, 27 Apr 2008 13:38:30 +0000 (+0200) Subject: gayle: add "doubler" parameter X-Git-Tag: firefly_0821_release~21506^2~16 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9dcba7f2b7697db787741cf6698bf5c95130ffce;p=firefly-linux-kernel-4.4.55.git gayle: add "doubler" parameter * Add "doubler" parameter to enable support for IDE doublers. * Obsolete "ide=doubler" kernel parameter. Cc: Geert Uytterhoeven Signed-off-by: Bartlomiej Zolnierkiewicz --- 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 */