Matthew Dharm wrote:
On Tue, Feb 08, 2005 at 05:40:00PM -0800, Randy.Dunlap wrote:
I wrote code to turn off the 0x80 bit at PCI config space offset 0x47
in DevB, or at least I think I did, but it's not working. Is it being
done too late? The patch is attached.
Matt, did you try this? working for you?
I haven't tried it yet...
But, you probably need to use lspci with -H1, or it will just read the
kernel's (effectively) cached copy of the data the BIOS passed to it
originally.
Hm, my lspci doesn't recognize -H ...
I forgot to post the printk output. Before changing the Misc.
register, the "dword" at PCI config offset 0x44 was:
lemming kernel: PCI: AMD LPC is found: dev=0x7, fn=0x0, misc=0x82000001
and lspci afterward shows it as:
40: 80 30 07 b1 01 00 00 02 --> 0x02000001
so it looks to me like the correct bit was flipped, but I'm
open to corrections. :)
--
~Randy
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