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e4e679c860
Guarantee that an auxiliary driver will be unbound before its parent is unbound; there is no point in operating an auxiliary device whose parent has been unbound. In practice, this guarantee allows us to assume that for a bound auxiliary device, also the parent device is bound. This is useful when an auxiliary driver calls into its parent, since it allows the parent to directly access device resources and its device private data due to the guaranteed bound device context. Reviewed-by: Alice Ryhl <aliceryhl@google.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Danilo Krummrich <dakr@kernel.org>