Re: lspci != scanpci !?

From: Matthew Dharm
Date: Fri Jan 14 2005 - 17:39:05 EST


On Fri, Jan 14, 2005 at 09:57:00PM +0100, Enrico Bartky wrote:
> Hello,
>
> I have a Gigabyte GA-5AA Board with ALi Aladdin IV Chipset ( 1533, 1541 ). I
> tried to get the smbus to work, but Gigabyte have disabled it and I can't
> activate it in the BIOS. I use kernel 2.6.10 and looked at the m7101-hotplug
> for kernel 2.4-module from lm_sensors. I added the following to
> drivers/pci/quirks.c:
>
> ....
> /* ALi 1533 fixup to enable the M7101 SMBus Controller
> * ported from prog/hotplug of the lm_sensors
> * package
> */
> static void __devinit quirk_ali1533_smbus(struct pci_dev *dev)
> {
> u8 val = 0;
>
> pci_read_config_byte ( dev, 0x5F, &val );
> if ( val & 0x4 )
> {
> pci_write_config_byte ( dev, 0x5F, val & 0xFB );
> }
> }
> DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533,
> quirk_ali1533_smbus );
> ....
>
> Now the scanpci command shows the M7101 BUT lspci and /proc/pci,
> /proc/bus/pci, /sys/bus/pci NOT. What can I do? Is there anything like a
> "update_pci" command?

I think there is a kernel command-line parameter you can use to tell the
kernel to ignore the BIOS-supplied PCI map and generate it's own via
scanning (ala what scanpci does).

Matt

--
Matthew Dharm Home: mdharm-usb@xxxxxxxxxxxxxxxxxx
Maintainer, Linux USB Mass Storage Driver

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