On Mon, 19 Apr 1999, Takanori Watanabe wrote: > In message <pine.bsf.4.05.9904190929070.85882-100...@herring.nlsystems.com>, > Do > ug Rabson wrote: > >On Mon, 19 Apr 1999 takaw...@shidahara1.planet.sci.kobe-u.ac.jp wrote: > >> Simple Question. > >> If there were 'Closed'-Host-Controller-Interface with object-only driver, > >> Can the vendor make the Host controller recognized without changing > >> usb.c code? > >> > >> #That's what frustrated me while writing driver for smbus controller. > > > >It really depends on the nature of the bus. For plug-and-play style busses > >such as USB and PCI, the controller can decide what devices exist without > >the help of drivers and can then uniquely match them with the right > >driver. This trivially allows drivers to be added after the system is > >running. > > I don't mention on upstream driver such as 'ukbd' > (I think such device can be add truly dynamic),but I mention on > 'host-controller' like [ou]hci. > > What I ask is what shall I do if there is a downstream driver without > declared DRIVER_MODULE on upstream bus.Are there any way without changing > upstream bus code?
I don't think I understand. The DRIVER_MODULE declaration goes in the downstream driver, not the upstream bus. The bus doesn't need any knowledge of what drivers might be attached to it. -- Doug Rabson Mail: d...@nlsystems.com Nonlinear Systems Ltd. Phone: +44 181 442 9037 To Unsubscribe: send mail to majord...@freebsd.org with "unsubscribe freebsd-current" in the body of the message
