Hi, Thinh Nguyen <Thinh.Nguyen@xxxxxxxxxxxx> writes: > For some UDCs, the initialization sequence by udc_start() should not be > repeated until it is properly cleaned up with udc_stop() and vise versa. > We may run into some cleanup failure as seen with the DWC3 driver during > the irq cleanup. This issue can occur when the user triggers > soft-connect/soft-disconnect from the soft_connect sysfs. To avoid > adding checks to every UDC driver, at the UDC framework, introduce a > "started" state to track and prevent the UDC from repeating the > udc_start() and udc_stop() if it had already started/stopped. > > Signed-off-by: Thinh Nguyen <Thinh.Nguyen@xxxxxxxxxxxx> Acked-by: Felipe Balbi <balbi@xxxxxxxxxx> -- balbi
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