On Sat, 2013-04-06 at 19:21 -0700, Luis R. Rodriguez wrote: > From: "Luis R. Rodriguez" <mcgrof@xxxxxxxxxxxxxxxx> > > Grant added the ability to the driver core to return > EPROBE_DEFER at device driver probe time and for that to > trigger a later deferred probe through a workqueue. It > seems we could in theory backport this functionality but > that requires quite a bit of work. For now just pass on > the EPROBE_DEFER definition safely and for older kernels > than 3.4 the EPROBE_DEFER would be treated as a regular > probe error. > +#define EPROBE_DEFER 517 /* Driver requests probe retry */ I'm not convinced this is useful, particularly not with that error number? If a driver returns -EPROBE_DEFER it will not work correctly, so why not just require it to be disabled (via the dependencies list) for kernels before 3.4? Also, if you return -517 userspace might get somewhat confused? johannes -- To unsubscribe from this list: send the line "unsubscribe backports" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
