> I am a beginner on linux usb driver.
> 
Most uf us seemed to be till recently.

> In the driver/usb/host/Makefile, there are three lines:
> 
> obj-$(CONFIG_USB_OHCI_HCD)	+= ohci-hcd.o
> obj-$(CONFIG_USB_ISP116X)	+= hc_isp116x.o
> obj-$(CONFIG_USB_1161)	+= hcd-1161.o
> 
> Do I have to use these three .o files for 1161 host controller?
> what is the difference between CONFIG_USB_ISP116X and CONFIG_USB_1161?
> 
These lst two are alternative implementations and separate from the OHCI code. The x version is a bit better. Both result in flakey usb implementations resulting in the chip halting. This is probably due to the missed-interupt lockup mentioned in the chip spec. Nice one Philips.

> Thanks in advance
> 
> --icecup
> 
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