Hi Robin, On Tue, Jun 25, 2019 at 4:36 AM Robin Gong <yibin.gong@xxxxxxx> wrote: > Yes, although Sven only met this issue after v4.19, this potential issue should be there. > But 1d069bfa3c78 seems merged from v4.7 instead? Yes, you could simply do: Fixes: 1d069bfa3c78 ("dmaengine: imx-sdma: ack channel 0 IRQ in the interrupt handler") Cc: stable@xxxxxxxxxxxxxxx And it will get applied to all relevant stable trees. Thanks