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staging: dwc2: add check on dwc2_core_reset return
If the GRSTCTL_CSFTRST self-clearing bit never comes back to 0 for any reason, the controller is under reset state and cannot be used. It's preferable to abort initialization in such case. Signed-off-by: Julien Delacou <[email protected]> Acked-by: Paul Zimmerman <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
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