On Tue, Mar 23, 2021 at 08:43:25AM +0800, Bard Liao wrote: > From: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> > > Now that the auxiliary_bus exists, there's no reason to use platform > devices as children of a PCI device any longer. > > This patch refactors the code by extending a basic auxiliary device > with Intel link-specific structures that need to be passed between > controller and link levels. This refactoring is much cleaner with no > need for cross-pointers between device and link structures. > > Note that the auxiliary bus API has separate init and add steps, which > requires more attention in the error unwinding paths. The main loop > needs to deal with kfree() and auxiliary_device_uninit() for the > current iteration before jumping to the common label which releases > everything allocated in prior iterations. The init/add steps can be moved together in the aux bus code if that makes this usage simpler. Please do that instead. thanks, greg k-h