[GIT PATCH] More core patches for 2.6.21

Here are some more driver core patche for 2.6.21. They contain: - fix a problem with blowing up the stack in ugly ways. - compile warning fix - documentation update - remove 'struct subsystem' from the tree as it's pointless. It only contained one field,

[GIT PATCH] More core patches for 2.6.21

Here are some more driver core patche for 2.6.21. They contain: - fix a problem with blowing up the stack in ugly ways. - compile warning fix - documentation update - remove 'struct subsystem' from the tree as it's pointless. It only contained one field,