On Thu, Apr 21, 2022 at 08:33:29AM -0700, Dan Williams wrote:
> In response to an attempt to expand dev->lockdep_mutex for device_lock()
> validation [1], Peter points out [2] that the lockdep API already has
> the ability to assign a dedicated lock class per subsystem device-type.
>
> Use
In response to an attempt to expand dev->lockdep_mutex for device_lock()
validation [1], Peter points out [2] that the lockdep API already has
the ability to assign a dedicated lock class per subsystem device-type.
Use lockdep_set_class() to override the default device_lock()
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