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List: linux-pcmcia
Subject: Re: [PATCH] yenta: add modparam to tune EnE bridges (was Re: ENE
From: Daniel Ritz <daniel.ritz () gmx ! ch>
Date: 2005-08-24 17:13:05
Message-ID: 200508241913.05464.daniel.ritz () gmx ! ch
[Download RAW message or body]
On Tuesday 23 August 2005 22.39, Jon Stutters wrote:
> Daniel Ritz wrote:
> > On Sunday 21 August 2005 21.10, Jon Stutters wrote:
> >
> >>If I read the source you attached to the previous message correctly then
> >>you're still only dealing with the TLTEnable bit. The setting I had to
> >>adjust to fix the echo audio card was prefetch which is controlled by
> >>bit C8.
> >>
> >
> > <start quoting>
> > The prefetch function can be disabled under Linux by changing C8h to
> > 0200h in the cardbus chipset
> > </end quoting>
> >
> > by reading this i was thinking its only about that bit because you have
> > the TLTEnable bit set, but the code clears it by default...
> >
> > i now found some crappy doc from ene. reading it it's probably bit 2/3 at c9h
> > to control prefetch. btw. don't change anything in c8, only change c9, 8bit.
> >
> > could you give me the content of that register before you change it, please.
> > ( hexdump /proc/bus/pci/02/04.0 )
> > but anyway, try the attached updated auto-tuning patch.
>
> Output of hexdump before making any changes is below. The output
> doesn't change after I use my setpci fix.
>
> jstutters@nevis> hexdump /proc/bus/pci/02/04.0
> 0000000 1524 1410 0007 0210 0001 0607 a810 0002
> 0000010 0000 9010 00a0 0200 0302 b006 0000 2040
> 0000020 f000 207f 0000 2080 f000 20bf 5000 0000
> 0000030 50fc 0000 5400 0000 54fc 0000 0105 0500
> 0000040 0e11 0860 0001 0000 0000 0000 0000 0000
> 0000050 0000 0000 0000 0000 0000 0000 0000 0000
> *
> 0000080
>
why it doesn't show the whole config space (256 bytes).
the register is at c9...so could you just to the setpci
without the new value (no =...)?
> Which kernel source are you developing patches again? The most recent
> patch you sent didn't apply cleanly to vanilla 2.6.12.5.
the patch is against 2.6.13-rc6 or more exaclty git-head. what
do you mean by not applying cleanly? just some offsets or some
failed hunks?
> Cheers,
> Jon Stutters
>
rgds
-daniel
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