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>
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@ -181,12 +181,6 @@ driver using the "options=" keyword to insmod, while replacing any ',' with
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Summary of ide driver parameters for kernel command line
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--------------------------------------------------------
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"ide=doubler" : probe/support IDE doublers on Amiga
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There may be more options than shown -- use the source, Luke!
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Everything else is rejected with a "BAD OPTION" message.
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For legacy IDE VLB host drivers (ali14xx/dtc2278/ht6560b/qd65xx/umc8672)
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you need to explicitly enable probing by using "probe" kernel parameter,
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i.e. to enable probing for ALI M14xx chipsets (ali14xx host driver) use:
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@ -203,6 +197,9 @@ are detected automatically).
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You also need to use "probe" kernel parameter for ide-4drives driver
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(support for IDE generic chipset with four drives on one port).
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To enable support for IDE doublers on Amiga use "doubler" kernel parameter
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for gayle host driver (i.e. "gayle.doubler" if the driver is built-in).
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To force ignoring cable detection (this should be needed only if you're using
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short 40-wires cable which cannot be automatically detected - if this is not
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a case please report it as a bug instead) use "ignore_cable" kernel parameter:
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@ -866,7 +866,7 @@ static int __init ide_setup(char *s)
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printk(" : Enabled support for IDE doublers\n");
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ide_doubler = 1;
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return 1;
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goto obsolete_option;
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}
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#endif /* CONFIG_BLK_DEV_IDEDOUBLER */
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@ -63,6 +63,8 @@
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#define GAYLE_HAS_CONTROL_REG (!ide_doubler)
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#define GAYLE_IDEREG_SIZE (ide_doubler ? 0x1000 : 0x2000)
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int ide_doubler = 0; /* support IDE doublers? */
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module_param_named(doubler, ide_doubler, bool, 0);
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MODULE_PARM_DESC(doubler, "enable support for IDE doublers");
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#endif /* CONFIG_BLK_DEV_IDEDOUBLER */
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