On Wed, Oct 18, 2017 at 03:06:54PM +0800, jeffy wrote: > Hi Greg, > > Thanks for your reply. > > On 10/18/2017 02:19 PM, Greg Kroah-Hartman wrote: > > On Wed, Oct 18, 2017 at 01:49:26PM +0800, Jeffy Chen wrote: > > > >There are cases we call device_del() without detaching it from the > > > >driver(e.g. spi core del children devices). > > Why would you do that? Shouldn't that be fixed instead of this odd > > work-around for a broken bus? > > > i was thinking since the device_unregister() is called everywhere, maybe > there are some other drivers missing that too? > > and the driver calls device_add(), then the core attaches the device to the > driver automatically, maybe it would make sense to let the core automatic > detach it somehow... > > but i know nothing about driver core, maybe i should fix it in spi core, > i'll send new patch for that :)
The SPI core should have some internal housekeeping to do there as well, right? Is this the only bus that gets this "wrong"? thanks, greg k-h
