dmaengine: pl330: Mark expected switch fall-through

In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c
index defcdde..04fc4d8 100644 (file)
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -1046,13 +1046,16 @@ static bool _start(struct pl330_thread *thrd)
 
                if (_state(thrd) == PL330_STATE_KILLING)
                        UNTIL(thrd, PL330_STATE_STOPPED)
+               /* fall through */
 
        case PL330_STATE_FAULTING:
                _stop(thrd);
+               /* fall through */
 
        case PL330_STATE_KILLING:
        case PL330_STATE_COMPLETING:
                UNTIL(thrd, PL330_STATE_STOPPED)
+               /* fall through */
 
        case PL330_STATE_STOPPED:
                return _trigger(thrd);