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Because not all I3C drivers have the hot-join feature ready, and especially not all I3C devices support hot-join feature, exporting SETDASA method could be useful. With this function, the I3C controller could perform a DAA to I3C devices when users decide to turn these I3C devices off and on again during run-time. Tested: This change has been tested with turnning off an I3C device and turning on it again during run-time. The device driver calls SETDASA method to perform DAA to the device. And communication between I3C controller and device is set up again correctly. Signed-off-by: Jack Chen <zenghuchen@google.com> Link: https://lore.kernel.org/r/20221207205059.3848851-1-zenghuchen@google.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> |
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