Re: DMA mode locked off when via82cxxx ide driver built as module in 2.6.14

From: Bartlomiej Zolnierkiewicz
Date: Sat Nov 19 2005 - 14:15:51 EST

On 11/19/05, Larry.Finger@xxxxxxxxxxxx <Larry.Finger@xxxxxxx> wrote:
> My HP ze1115 notebook uses the via82cxxx ide driver. If I configure the kernel
> build to make that driver as a module, the driver is correctly added to initrd
> and is loaded at boot time; > however, DMA mode is turned off. It cannot be
> turned on even if I use an 'hdparm -d1 /dev/hda' command.
> Is this a bug, or do I need some kind of IDE=XXX boot command?
> As expected, system > performance in this mode is horrible.

You've probably left generic IDE support (CONFIG_IDE_GENERIC=y) compiled-in.

You need to disabled it in order to use via82cxxx as module.

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