ç­å¤: ç­å¤: ç­å¤: Disable USB2 in AMD8111 and remove ide hardcode io addr

Eric W. Biederman ebiederman at lnxi.com
Wed May 5 16:52:00 CEST 2004

Li-Ta Lo <ollie at lanl.gov> writes:

> On Wed, 2004-05-05 at 10:51, YhLu wrote:
> > If I changed config.lb
> > PCI 1:0.2 on --> PCI 1:0.2 off 
> > The PCI 1:0.0 and PCI 1:0.1 will be disabled together.
> > 
> > According to AMD 8111 data sheet, LPC 0x48, only can be disabled the device
> > in second bus by device num, and the three USB share one device number.
> > 
> > So I guess the code about 0x47 must be there.
> > 
> Ron and I just dicurssed about the enable/disable mechanism for
> amd8111. We are going to implement a slightly better one soon.
> Actually, the enable/disable for devices in amd8111 is multiplexed
> in amd8111_enable and the device_operation::enable() is directed to
> amd8111_enable. We are going to demultiplex this and each devices
> has its own "real" enable method.

No.  This must be per chip.

Because you cannot necessarily see these devices before you enable/disable
them.  And only one device on the 8111 actually does the enable/disable.


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