Messages in this thread | | | Date | Sat, 18 Aug 2012 08:58:39 +0800 | Subject | Re: BUG: unable to handle kernel paging request in usb_match_id() | From | Ming Lei <> |
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On Fri, Aug 17, 2012 at 10:42 PM, Greg Kroah-Hartman <gregkh@linuxfoundation.org> wrote: > On Fri, Aug 17, 2012 at 10:38:16AM -0400, Alan Stern wrote: >> On Fri, 17 Aug 2012, Ming Lei wrote: >> >> > But, if HOTPLUG is not enabled, should device_add() trigger driver probe >> > further after kernel init is completed? Or even devices should be allowed >> > to add into system? >> >> Indeed, does it make any sense to have USB support at all if HOTPLUG >> isn't enabled? Should USB select HOTPLUG? > > Well, a long time ago people wanted to use USB but not have HOTPLUG > enabled in their systems for various (odd) embedded systems. As it's > pretty hard to even turn off HOTPLUG these days, I'd be more likely to > just remove CONFIG_HOTPLUG entirely given the dynamic nature of almost > all systems.
It should make sense, otherwise all device id table should not use __devinit* markings. There are lots of pci driver usage on it.
Thanks, -- Ming Lei
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