lkml.org 
[lkml]   [2005]   [Nov]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Assorted bugs in the PIIX drivers
* Alan Cox <alan@lxorguk.ukuu.org.uk> [2005-11-25 14:43:28 +0000]:

> I finally got all the documents rounded up to try and redo Jgarzik's
> PIIX driver a bit more completely (I'm short MPIIX if anyone has it ?)
>
> I then started reading the docs and the code and noticing a couple of
> problems
>
> 1. We set IE1 on PIO0-2 which the docs say is for PIO3+
>
> 2. The ata_piix one (but not the ide/pci one) have shifts wrong so that
> the secondary slave timings are half loaded into the primary slave
>
>
> I'm also not clear if the "no MWDMA0" list has been updated correctly
> for the newer chipsets.
>
> I've yet to review the DMA programming, just the PIO so far.

Alan,

could it be possible to again drop the ide=nodma kernel parameter in my
configs that use reiserfs? reiserfs just bails out when I mount devices on ide
busses that miss that parameter. I somtimes had to --rebuild-tree after a boot
with DMA enabled.

Regards,
Marc
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-11-25 16:38    [W:0.198 / U:0.152 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site